7-ethoxy-oxepan-2-one

1,2,3,3a,5,6,7,8,9,9b-decahydro-cyclopenta[a]naphthalen-4-one

2-氧代环己烷甲腈

[4-(dimethyl-t-butylsilyloxy)-5-[3'-(dimethyl-t-butylsilyloxy)oct-1'-enyl]cyclopent-2-enyl]acetaldehyde

(butane-1,4-diyl)dimagnesium dibromide