1,4-dimethyl-3,6-dihydro-2H-pyridine

1,5-dimethyl-3,6-dihydro-2H-pyridine

1,3-二甲基哌啶

1-(2,5-dihydroxy-3,4-dimethoxyphenyl)ethanone

3-chloro-2-(4-methoxyphenyl)chromen-4-one