Dipyrido[1,2-
a
:2
'
,1
'
-
c
]pyrazinediium
Summers, L.A.; Black, A.L.
Nature 218: 1067-8 (1968)
E
= –270(mV), pH = 3.4-8.6
Pol., Br
–
salt.
Huenig, S.; Gross, J.
Tetrahedron Lett. 21: 2599-604 (1968)
E
= –290(mV)
Pol.
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