5,11-Dimethyl-6H-pyrido(4,3-b)carbazol-9-amine 54779-53-2 6H-Pyrido(4,3-b)carbazol-9-amine, 5,11-dimethyl- 9-Aminoellipticine BRN 0754366 CCRIS 6481 ICIG 1089 NSC 191345