2-氯苯甲醛

5,5-二甲基-1,3-环己二酮

5-[(2-chlorophenyl)methylidene]-1,3-diazinane-2,4,6-trione

2-萘酚

2,2'-(2-chlorophenyl)methylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one)