5-22-03-00299 (Beilstein Handbook Reference) 7-Cyano-8-methyl-1,2,3,4-tetrahydrocarbazole 73771-63-8 9H-Carbazole-2-carbonitrile, 5,6,7,8-tetrahydro-1-methyl- (9CI) BRN 0478579 CARBAZOLE-2-CARBONITRILE, 5,6,7,8-TETRAHYDRO-1-METHYL- NSC 80105