FIELD: medicine. SUBSTANCE: described are new pyrrolocarbazoles of general formula I: wherein R1 is hydrogen or lower alkyl; R2 is thiophenyl; R3 and R4 are independently hydrogen, lower alkyl, or pharmaceutically acceptable salts thereof. Compounds I suppress tumor growth. EFFECT: improved properties of new pyrrocarbazoles. 5 cl, 2 ex
Authors
Dates
2001-01-20—Published
1995-08-03—Filed