18073-34-2 5-23-09-00418 (Beilstein Handbook Reference) 6H-Pyrido(4,3-b)carbazole, 9-bromo-5,11-dimethyl- 9-Bromo-5,11-dimethyl-6H-pyrido(4,3-b)carbazole 9-Bromoellipticine BRN 0543507 Ellipticine, 9-bromo- NSC 98927