4,4-二甲基-2,6-二氧代环己烷甲醛

9-(4,4-dimethyl-2,6-dioxo-cyclohexyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-2H-xanthene-1,8-dione

1-[(1S)-1-phenylethyl]-4,5-dihydroimidazole

1-(2,3-dimethylphenyl)-2-ethoxy-2H-3,1-benzoxazin-4-one

1-ethylquinazolin-4-one