3,7a-dimethoxy-1,1a,2,7-tetrahydrocyclopropa[b]naphthalene

2-bromo-1-cyclopropyloxy-4-fluorobenzene

6-ethylspiro[2.5]octane

1-(iodomethyl)cyclopentan-1-ol

乙基5,5-二甲基-4-氧代己酸酯