1-(6-氯吡啶-3-基)-1-丙酮

methyl 4-hydroxy-3-methylhex-2-enoate

3-乙基-1-环戊烯

1-(2-methoxypyridin-4-yl)propan-1-one

4-ethyl-2,5-dimethylhexa-2,3,5-trien-1-ol