1,2,3,9-Tetrahydro-4H-carbazole-4-one

1,2-dihydro-4(3h)-carbazolone ; 1,2,3,4-terahydro-4-oxocarbazole ; ondansetron impurity i ; ondansetron hcl impurity-i ; 2,3-dihydrocarbazol-4(1h)-one ; 1,2,3,4-tetrahydro-4-oxocarbazol ; 1,2-dihydro-9h-carbazol-4(3h)-one ; 4-oxo-1,2,3,4-tetrahydrocarbazole ; rarechem ak ma k053 ; 1,2,3,4-tetrahydrocarbazol-4-one