6-(4-ethenylphenyl)hexane-2,4-dione

3-hydroxypentane-2,4-dione

1-(2-甲基-1H-吡咯-3-基)-乙酮

1-[2-methyl-5-(Dr-1tF,2cF,3rF,4-tetrahydroxy-but-catF-yl)-pyrrol-3-yl]-ethanone

2,4-二甲基苯并[h]喹啉