英文别名4-OXO-1,2,3,4-TETRAHYDROCARBAZOLE; Ondansetron Impurity 10; Ondansetron Hydrochloride Dihydrate EP Impurity I; Ondansetron Impurity 1; 1,2,3,9-tetrhydro-4H-carbazole-4-one; 2,3,4,9-Tetrahydro-1H-carbazol-4-one; 1,2,3,4-Tetrahydro-4-oxocarbazole; 1,2,3,4-TETRAHYDRO-4-OXO-CARBAZOLE; 1,2,3,4-Tetrahydrocarbazol-4-one 
