4-methylpentane-1,4-diol

甲基 3-甲基-2-丁烯基醚

(3-甲基丁-2-烯基)丙二酸二乙酯

2,2,8-trimethyl-3,4-dihydrochromen-6-ol

1-[2,4-dihydroxy-5-(3-methylbut-2-enyl)phenyl]ethanone