英文别名4H-Carbazol-4-one, 6-chloro-1,2,3,9-tetrahydro-; 6-chloro-1,2,3,9-tetrahydrocarbazol-4-one; 6-chloro-2,3-dihydro-1H-carbazol-4(9H)-one; 6-chloro-1,2,3,4-tetrahydro-4-oxocarbazole; chloro-6 tetrahydro-1,2,3,4 carbazolone-4; 6-chloro-4-oxo-1,2,3,4-tetrahydrocarbazole 
