1,2,3-Cyclohexanetrione, 5,5-dimethyl-, 2-[(4-bromophenyl)hydrazone] (en)

3,3,6,6-tetramethyl-9-(3-nitrophenyl)-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione

2-(1H-吲哚-3-基亚甲基)-5,5-二甲基-1,3-环己烷二酮

1,2,3-Cyclohexanetrione, 5,5-dimethyl-, 2-[(2-nitrophenyl)hydrazone] (en)

5,5-dimethyl-2-(phenylhydrazinylidene)cyclohexane-1,3-dione