Synonyms: 1,2,3,9-tetrahydro-9-methyl-3-((2-methyl-1h-imidazol-1-yl)methyl)-4h-carbazo; gr38032; gr38032x; GR 38032F; 1,2,3,4-TETRAHYDRO-9-METHYL-3-(2-METHYL-1H-IMIDAZOLE-1-YLMETHYL)CARBAZOL-4-ONE; 9-Methyl-3-[(2-methyl-1H-imidazolyl)-methyl]-1,2,3,9-tetrahydro-4H-carbazole-4-one; OndansetronBase99%; 4H-Carbazol-4-one, 1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]- (9CI); 1,2,3,4-tetrahydro-9-methyl-3-(2-methyl-1h-imidazol-1-ylmethyl)carbazol-4-one;