Benzo[1,2-c:4,5-c']dipyrrole-1,7-diamine, 3,5-dihydro-3,5-diimino-

Benzo[1,2-c:4,5-c']dipyrrole-1,7-diamine, 3,5-dihydro-3,5-diimino- · CAS 17918-58-0