1,2,3,4-Tetrahydrocarbazole 1H-Carbazole, 2,3,4,9-tetrahydro- (9CI) 1H-Indole, 2,3-(1,4-butanediyl)- 2,3,4,9-Tetrahydro-1H-carbazole 2,3-Tetramethylene-1H-indole 2,3-Tetramethyleneindole 5,6,7,8-Tetrahydrocarbazole 5-20-07-00468 (Beilstein Handbook Reference) 942-01-8 BRN 0133771 CARBAZOLE, 5,6,7,8-TETRAHYDRO- Carbazole, 1,2,3,4-tetrahydro- (8CI) EINECS 213-385-7 NSC 17329