Browse data:
Quantum yields of photosensitized
production of singlet oxygen, from porphyrins and related species.
Quantum yields of photosensitized production of singlet
oxygen, from drugs, dyes, polymers, etc.
Quantum yields of photosensitized production
of singlet oxygen.
__1. - 2'-Acetonaphthone (2-ACN)
__2. - Acetophenone (AP)
__3. - Acetophenone, 4'-cyano-
__4. - Acetophenone, 3'-methoxy-
__5. - Acetophenone, 4'-methoxy-
__6. - Acetophenone, 2'-methyl-, biradical
__7. - Acridine (Ac)
__8. - 9-Acridinethione, 10-methyl- (NMTA)
__9. - Acridinium, 3,6-diamino- (Proflavine)
_10. - Acridinium, 3,6-diamino-10-methyl- (Acriflavine)
_11. - Allopsoralen (Furo[2,3-f]benzopyran-7-one)
_12. - Angelicin (Furo[2,3-h]benzopyran-2-one, Ang)
_13. - Anthracene (An)
_14. - Anthracene, 1-chloro-
_15. - Anthracene, 9-chloro-
_16. - Anthracene, 9-cyano-
_17. - Anthracene, 9,10-dibromo-
_18. - Anthracene, 9,10-dichloro-
_19. - Anthracene, 9,10-dicyano- (DCA)
_20. - Anthracene, 1,4-dimethoxy-9,10-diphenyl-
_21. - Anthracene, 9,10-dimethyl- (DMA)
_22. - Anthracene, 2-(3,3-dimethyl-1-butenyl)-, (E)-
_23. - Anthracene, 2-(3,3-dimethyl-1-butenyl)-, (Z)-
_24. - Anthracene, 9-(1,1-dimethylethyl)-
_25. - Anthracene, 9,10-diphenyl-
_26. - Anthracene, 9-methyl-
_27. - Anthracene, 2-[2-(2-naphthyl)ethenyl]-, (E)-
_28. - Anthracene, 2-[2-(2-naphthyl)ethenyl]-, (Z)-
_29. - Anthracene, 9-phenyl-
_30. - Anthracene, 2-(2-phenylethenyl)-, (Z)-
_31. - Anthracene, 2-(2-phenylethenyl)-, (E)-
_32. - Anthracene, 2-(1-propenyl)-, (E)-
_33. - Anthracene, 2,6,9,10-tetracyano-
_34. - Anthracene, 2-vinyl-
_35. - 1-Anthracenesulfonate ion
_36. - 2-Anthracenesulfonate ion
_37. - Anthra[1,9-bc:4,10-b'c']dichromene (ADC)
_38. - Anthra[2,1,0-def:6,5,10-d'e'f']diisoquinoline, N,N'-dimethyl-
_39. - 9,10-Anthraquinone
_40. - 9,10-Anthraquinone, 1-amino-
_41. - 9,10-Anthraquinone, 2-amino-
_42. - 9,10-Anthraquinone, 1-amino-2-hydroxy-
_43. - 9,10-Anthraquinone, 1-amino-4-hydroxy-
_44. - 9,10-Anthraquinone, 1-amino-4-hydroxy-2-phenoxy-
_45. - 9,10-Anthraquinone, 1-amino-4-hydroxy-2-[4-(phenylaminosulfonyl)phenoxy]-
_46. - 9,10-Anthraquinone, 1-amino-2-methyl-
_47. - 9,10-Anthraquinone, 1-chloro-
_48. - 9,10-Anthraquinone, 2-chloro-
_49. - 9,10-Anthraquinone, 1,2-diamino-
_50. - 9,10-Anthraquinone, 1,4-diamino-
_51. - 9,10-Anthraquinone, 1,5-diamino-
_52. - 9,10-Anthraquinone, 1,8-diamino-
_53. - 9,10-Anthraquinone, 2,6-diamino-
_54. - 9,10-Anthraquinone, 1,5-diamino-2-bromo-4,8-dihydroxy-
_55. - 9,10-Anthraquinone, 1,5-diamino-4,8-dihydroxy-
_56. - 9,10-Anthraquinone, 1,8-diamino-4,5-dihydroxy-
_57. - 9,10-Anthraquinone, 2,5-diamino-1,8-dihydroxy-
_58. - 9,10-Anthraquinone, 2,7-diamino-1,8-dihydroxy-
_59. - 9,10-Anthraquinone, 1,4-diamino-2-methoxy-
_60. - 9,10-Anthraquinone, 1,4-diamino-2-[4-(phenylaminosulfonyl)phenoxy]-
_61. - 9,10-Anthraquinone, 1,2-dihydroxy-
_62. - 9,10-Anthraquinone, 1,8-dihydroxy-
_63. - 9,10-Anthraquinone, 1-hydroxy-
_64. - 9,10-Anthraquinone, 2-hydroxy-
_65. - 9,10-Anthraquinone, 1,4,5,8-tetraamino-
_66. - 9,10-Anthraquinone, 1,4,5,8-tetrahydroxy-
_67. - Anthrone
_68. - Anthrone, 1,8-dihydroxy- (Anthralin)
_69. - Anthrone, 1,8-dihydroxy-, conjugate base
_70. - Azulene
_71. - Benzaldehyde
_72. - Benz[a]anthracene
_73. - Benz[a]anthracene, 9,10-dimethyl-
_74. - Benzene, 5-chloro-1,3-dimethoxy-
_75. - Benzene, 1,3,5-triphenyl-
_76. - Benzenebutanoic acid, alpha-amino-2-(formylamino)-gamma-oxo- (N-Formylkynurenine)
_77. - Benzenebutanoic acid, alpha,2-diamino-3-hydroxy-gamma-oxo- (3-Hydroxykynurenine)
_78. - Benzenebutanoic acid, alpha,2-diamino-gamma-oxo- (Kynurenine)
_79. - 1,3-Benzenediol (Resorcinol)
_80. - 1,3-Benzenediol, 4-chloro-
_81. - 1,4-Benzenediol (Hydroquinone)
_82. - 1,4-Benzenediol, chloro-
_83. - Benzil
_84. - Benzil, 4,4'-dichloro-
_85. - Benzil, 4,4'-dimethoxy-
_86. - Benzil, 2,2',4,4',6,6'-hexamethyl-
_87. - Benzo[1,2,3-kl:4,5,6-k'l']dixanthene (BDX)
_88. - Benzophenone (BP)
_89. - Benzophenone, 4,4'-bis(dimethylamino)-
_90. - Benzophenone, 4,4'-dimethoxy-
_91. - Benzophenone, 4-fluoro-
_92. - Benzophenone, 4-(trifluoromethyl)-
_93. - Benzo[a]phenothiazine
_94. - Benzo[b]phenothiazine
_95. - Benzo[c]phenothiazine
_96. - 1-Benzopyran-4-one, 2,3-diphenyl- (3-Phenylflavone)
_97. - 1-Benzopyran-4-one, 3-hydroxy-2-phenyl- (3-Hydroxyflavone)
_98. - 1-Benzopyran-4-one, 2-phenyl- (Flavone)
_99. - [1]Benzopyrano[6,7,8-ij]quinolizin-11-one, 2,3,6,7-tetrahydro-9-methyl-
100. - 1,4-Benzoquinone, 2,6-diphenyl-
101. - 1,4-Benzoquinone, 2,6-diphenyl-, complex with Triphenylamine
102. - 1,4-Benzoquinone, tetrachloro- (Chloranil)
103. - 1,4-Benzoquinone, tetrachloro-, complex with Anisole
104. - 1,4-Benzoquinone, tetrachloro-, complex with Durene
105. - 1,4-Benzoquinone, tetrachloro-, complex with Hexamethylbenzene
106. - 1,4-Benzoquinone, tetrachloro-, complex with 1,2,3-Trimethoxybenzene
107. - 1,4-Benzoquinone, tetramethyl- (Duroquinone)
108. - Biacetyl
109. - Bicyclo[2.2.1]heptane-2,3-dione, 1,7,7-trimethyl- (Camphoroquinone, CQ)
110. - Bicyclo[2.2.1]heptane-2-thione (Thionorcamphor)
111. - Bicyclo[2.2.1]heptane-2-thione, 3,3-dimethyl- (Thiocamphenilone)
112. - Bicyclo[2.2.1]heptane-2-thione, 1,3,3,7,7-pentamethyl- (3,3-Dimethylthiocamphor)
113. - Bicyclo[2.2.1]heptane-2-thione, 1,3,3-trimethyl- (Thiofenchone)
114. - Bicyclo[2.2.1]heptane-2-thione, 1,7,7-trimethyl- (Thiocamphor)
115. - Biphenyl
116. - Bis(2,2'-bipyridine)bis(cyano)ruthenium(II)
117. - Bis(1,10-phenanthroline)-4,7-di(sulfonatophenyl)-1,10-phenanthrolineosmium(II)
118. - Bis(1,10-phenanthroline)-4,7-di(sulfonatophenyl)-1,10-phenanthrolineruthenium(II)
119. - 5-Bromo-1,10-phenanthrolinebis(1,10-phenanthroline)ruthenium(II) ion
120. - Carbon sixty-atom molecule (Buckminsterfullerene)
121. - Carbon seventy-atom molecule
122. - beta-apo-14'-Carotenal (all-trans-C22 aldehyde)
123. - 5-Chloro-1,10-phenanthrolinebis(1,10-phenanthroline)ruthenium(II) ion
124. - Chrysene
125. - Chrysene, 2-bromo-
126. - Chrysene, 2-chloro-
127. - Coronene
128. - Coumarin
129. - Coumarin, 7-(diethylamino)-4-methyl-
130. - Cycloheptatriene
131. - 1,3-Cyclohexadiene
132. - 2-Cyclohexenethione, 3,5,5-trimethyl-
133. - Cyclopentadiene
134. - 7-Dehydrocholesterol
135. - Diacenaphtho[1,2-b:2',1'-d]thiophene (DNT)
136. - 2,7-Diazapyrene, 2,7-dimethyl-
137. - Dibenz[a,h]anthracene
138. - Dibenzo[def,mno]chrysene (Anthanthrene)
139. - Dibenzo[a,o]perylene, 7,16-diphenyl- (Mesodiphenylhelianthrene. MDH)
140. - Dicyanobis(1,10-phenanthroline)ruthenium(II)
141. - (4,7-Diphenyl-1,10-phenanthroline)bis(1,10-phenanthroline)osmium(II) ion
142. - Ergosterol
143. - 9,10-Ethenoanthracene, 9-acetyloxy-11,12-dibenzoyl-9,10-dihydro-
144. - 9,10-Ethenoanthracene, 11,12-dibenzoyl-9,10-dihydro-9,10-dimethoxy-
145. - 9,10-Ethenoanthracene, 11,12-dibenzoyl-9,10-dihydro-9-hydroxy-
146. - 9,10-Ethenoanthracene, 11,12-dibenzoyl-9,10-dihydro-9-methoxy-
147. - 9,10-Ethenoanthracene, 11,12-dibenzoyl-9-ethyl-9,10-dihydro-
148. - 9,10-Ethenoanthracene-9-carbonitrile, 11,12-dibenzoyl-9,10-dihydro-
149. - 9,10-Ethenoanthracene-9-carboxaldehyde, 11,12-dibenzoyl-9,10-dihydro-
150. - Fluoranthene
151. - Fluorene
152. - Fluorene, 9-(phenylsulfonyl)-
153. - 9-Fluorenone
154. - Fluorescein dianion
155. - Fluorescein, dibromo-, dianion
156. - Fluorescein, 4',5'-dibromo-2',7'-dinitro-, dianion (Eosin B)
157. - Fluorescein, 2',7'-dibromo-4'-(hydroxymercuri)-, dianion (Mercurochrome)
158. - Fluorescein, 2',7'-dichloro-, dianion
159. - Fluorescein, 4',5'-dichloro-, dianion
160. - Fluorescein, diiodo-, dianion
161. - Fluorescein, 2',4',5',7'-tetrabromo-, dianion (Eosin Y)
162. - Fluorescein, 2',4',5',7'-tetrabromo-, benzyl ester, monoanion
163. - Fluorescein, 2',4',5',7'-tetrabromo-, p-isopropylbenzyl ester, monoanion
164. - Fluorescein, 2',4',5',7'-tetrabromo-, methyl ester, protonated
165. - Fluorescein, 2',4',5',7'-tetrabromo-, methyl ester, monoanion
166. - Fluorescein, 2',4',5',7'-tetrabromo-3,4,5,6-tetrachloro-, dianion (Phloxin B)
167. - Fluorescein, 2',4',5',7'-tetrachloro-, dianion
168. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo- (Rose Bengal lactone)
169. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, dianion (Rose Bengal dianion, RB)
170. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, 6-O-acetyl-, ethyl ester
171. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester
172. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester, monoanion
173. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester, benzyltriphenylphosphonium salt
174. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester, diphenyliodonium salt
175. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester, diphenylmethylsulfonium salt
176. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester, triethylammonium salt
177. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, benzyl ester, 2,4,6-triphenylpyrylium salt
178. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, bis(benzyltriphenylphosphonium) salt
179. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, bis(diphenyliodonium) salt
180. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, bis(triethylammonium) salt
181. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, complexed with dicyclohexyl-18-crown-8
182. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, ethyl ester
183. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, ethyl ester, triethylammonium salt
184. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, p-isopropylbenzyl ester, protonated
185. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, p-isopropylbenzyl ester, monoanion
186. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, O-methyl-, methyl ester
187. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, methyl ester, protonated
188. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, methyl ester, monoanion
189. - Fluorescein, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo-, octyl ester, tributylammonium salt
190. - Fluorescein, 2',4',5',7'-tetraiodo-, dianion (Erythrosin)
191. - Fluorescein, tribromo-, dianion
192. - Furan, 2,5-di(2-thienyl)-
193. - Furo[2,3-f][1]benzopyran-7-one, 8-acetyl- (3-Acetoallopsoralen)
194. - Furo[2,3-f][1]benzopyran-7-one, 4,9-dimethyl- (4,7-Dimethylallopsoralen, 4,7-DMAPs)
195. - Furo[2,3-f][1]benzopyran-7-one, 2,4,9-trimethyl- (4,7,5'-Trimethylallopsoralen)
196. - Furo[2,3-f][1]benzopyran-7-one, 3,4,9-trimethyl- (4,7,4'-Trimethylallopsoralen)
197. - Furo[2,3-h][1]benzopyran-2-one, 3-acetyl- (3-Acetoangelicin)
198. - Furo[2,3-h][1]benzopyran-2-one, 4,6-dimethyl- (6,4-Dimethylangelicin)
199. - Furo[2,3-h][1]benzopyran-2-one, 4,8-dimethyl- (4,5'-Dimethylangelicin)
200. - Furo[2,3-h][1]benzopyran-2-one, 4,9-dimethyl- (4,4'-Dimethylangelicin)
201. - Furo[2,3-h][1]benzopyran-2-one, 5,9-dimethyl- (4',5-Dimethylangelicin)
202. - Furo[2,3-h][1]benzopyran-2-one, 6,9-dimethyl- (6,4'-Dimethylangelicin)
203. - Furo[2,3-h][1]benzopyran-2-one, 4-methyl- (4-Methylangelicin)
204. - Furo[2,3-h][1]benzopyran-2-one, 5-methyl- (5-Methylangelicin)
205. - Furo[2,3-h][1]benzopyran-2-one, 8-methyl- (5'-Methylangelicin)
206. - Furo[2,3-h][1]benzopyran-2-one, 9-methyl- (4'-Methylangelicin)
207. - Furo[2,3-h][1]benzopyran-2-one, 4,6,9-trimethyl- (6,4,4'-Trimethylangelicin)
208. - Furo[3,2-f][1]benzopyran-7-one (Isopseudopsoralen )
209. - Furo[3,2-f][1]benzopyran-7-one, 8-acetyl- (3-Acetoisopseudopsoralen)
210. - Furo[3,2-g][1]benzopyran-7-one, 2-acetyl-5,9-dimethyl- (5'-Aceto-4,8-dimethylpsoralen)
211. - Furo[3,2-g][1]benzopyran-7-one, 2-acetyl-9-methyl- (5'-Aceto-8-methylpsoralen)
212. - Furo[3,2-h][1]benzopyran-8-one, 7-acetyl- (3-Acetopseudoisopsoralen)
213. - Helianthrene
214. - (E,E,E)-2,4,6-Heptatrienal, 5-methyl-7-(2,6,6-trimethyl-1-cyclohexen-1-yl)- (all-trans-C17 aldehyde)
215. - Heterocoerdianthrone (HCD)
216. - 1,3,5-Hexatriene, 1,6-diphenyl- (DPH)
217. - Indole, 1-methyl-
218. - beta-Ionone
219. - Isobenzofuran, 1,3-diphenyl- (DPBF)
220. - Naphthalene (Np)
221. - Naphthalene excimer
222. - Naphthalene, 1-bromo-
223. - Naphthalene, 1-methyl- (1MN)
224. - 2-Naphthalenethione, 1,1-dimethyl-
225. - 2-Naphthalenethione, 1,1,3-trimethyl-
226. - Norharman (beta-Carboline)
227. - 1,3,5,7-Octatetraene, 1,8-diphenyl- (DPO)
228. - 2,4,6-Octatriene, 2,6-dimethyl- (Neoalloocimene)
229. - 3-Pentanethione, 2,2,4,4-tetramethyl- (DTBTK)
230. - 2-Pentanone
231. - 3-Pentanone
232. - 3-Pentanone, 2,4-dimethyl-
233. - Perylene (Per)
234. - Perylo[1,12-def]-1,3-dioxepin-5,11-dione, 6,12-dihydroxy-8,9-bis(2-hydroxypropyl)-7,10-dimethoxy- (Cercosporin)
235. - Phenalen-1-one
236. - Phenalen-1-one, 6-amino-
237. - Phenanthrene
238. - Phenanthro[1,10,9,8-opqra]perylene-7,14-dione, 1,3,4,6,8,13-hexahydroxy-10,11-dimethyl- (Hypericin, HYP)
239. - Phenazine (Pz)
240. - Phenothiazine
241. - Phenothiazine, 2-acetyl-
242. - Phenothiazine, 2-methoxy-
243. - Phenothiazine, 10-methyl-
244. - Phenothiazine, 2-(trifluoromethyl)-
245. - Phenothiazinium, 3,7-bis(dimethylamino)- (Methylene Blue, MB)
246. - Phenothiazinium, 3,7-diamino- (Thionine)
247. - Pivalothiophenone
248. - Pivalothiophenone, 4'-chloro-
249. - Pivalothiophenone, 4'-fluoro-
250. - Pivalothiophenone, 4'-methoxy-
251. - 1,2-Propanedione, 1-phenyl-
252. - Pseudoisopsoralen (Furo[3,2-h][1]benzopyran-8-one)
253. - Pseudopsoralen (Furo[2,3-g][1]benzopyran-6-one)
254. - Pseudopsoralen, 3-carbethoxy-
255. - Psoralen (Furo[3,2-g][1]benzopyran-7-one)
256. - Psoralen, 3-carbethoxy-
257. - Psoralen, 5,8-dimethoxy-
258. - Psoralen, 5-methoxy-
259. - Psoralen, 5-methoxy-, DNA complex
260. - Psoralen, 8-methoxy- (8-MOP)
261. - Psoralen, 4,5',8-trimethyl-
262. - Pyranthrene
263. - Pyrene (Py)
264. - Pyrene, excimer
265. - 1-Pyrenecarboxaldehyde
266. - Pyridine, 2,6-bis(2-thienyl)-
267. - alpha-Quaterthienyl
268. - Quinoline
269. - Quinoline-2-carboxylic acid, 4-hydroxy- (Kynurenic acid)
270. - Quinoxaline
271. - 13-(Z)-Retinal
272. - (all-E)-Retinal
273. - (all-E)-Retinol
274. - Riboflavine (RF)
275. - Riboflavine 5'-(dihydrogen phosphate) (FMN)
276. - Riboflavin-2',3',4',5'-tetraacetate
277. - Rubicene (Benz(a)indeno(1,2,3-hi)aceanthrylene)
278. - Rubrene (Tetracene, 5,6,11,12-tetraphenyl-, Rub)
279. - (E)-Stilbene
280. - Sydnone, 3,4-diphenyl-
281. - Sydnone, 3-(4-methylphenyl)-
282. - Sydnone, 3-(4-methylphenyl)-4-phenyl-
283. - Sydnone, 3-phenyl-
284. - p-Terphenyl
285. - alpha-Terthienyl
286. - 2,2':5',2''-Terthiophene, 5-bromo-
287. - 2,2':5',2''-Terthiophene, 5-cyano-
288. - 2,2':5',2''-Terthiophene, 5,5''-dibromo-
289. - 2,2':5',2''-Terthiophene, 5-methyl-
290. - 2,2':5',2''-Terthiophene-5-carboxylic acid
291. - Tetracene
292. - alpha-Tetralone
293. - Thiobenzophenone, 4,4'-dimethoxy- (DMTBP)
294. - Thiobenzophenone, 4-phenyl-
295. - Thiocoumarin
296. - Thiophene, 2,5-diphenyl-
297. - Thiophene, 2-(1-naphthalenyl)-
298. - Thiophene, 2-(2-naphthalenyl)-
299. - Thiophene, 2,2'-(1,3-phenylene)bis-
300. - Thiophene, 2,2'-(1,4-phenylene)bis-
301. - 4-Thiouridine
302. - 1,4,7-Triazacyclononanetri(isothiocyanato)chromium(III) (Cr(tacn)(NCS)3)
303. - Tribenzo[a,f,j]perylene, 9,18-diphenyl- (Mesodiphenylbenzhelianthrene, MDBH)
304. - Triphenylene
305. - Tris(2,2'-bipyridine)iridium(III) ion
306. - Tris(2,2'-bipyridine)ruthenium(II) ion
307. - Tris(1,10-phenanthroline)iridium(III) ion
308. - Tris(1,10-phenanthroline)osmium(II) ion
309. - Tris(1,10-phenanthroline)ruthenium(II) ion
310. - Vitamin D3
311. - Xanthen-3-one, 9-(2-carboxyethyl)-6-hydroxy-4,5-diiodo-, dianion
312. - Xanthen-3-one, 9-(2-carboxyethyl)-6-hydroxy-2,4,5,7-tetrabromo-, dianion
313. - Xanthen-3-one, 9-(2-carboxyethyl)-6-hydroxy-2,4,5,7-tetraiodo-, dianion
314. - Xanthen-3-one, 9-(2-carboxyethyl)-6-hydroxy-2,4,5-triiodo-, dianion
315. - Xanthen-3-one, 9-(2,3,4,5-tetrachlorophenyl)-6-hydroxy-2,4,5,7,-tetraiodo-, anion
316. - Xanthen-9-one
317. - O2:solvent CT state
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