ethyl 4',5',6',6'a-tetrahydro-5',5'-dimethylspiro<1,3-dioxolane-2,2'-(1H)-pentalene>-3'-carboxylate

(2S,4aS,6aS,9aR)-1,2,4,4a,6a,7,8,9-octahydro-5-iodo-2-methoxy-8,8-dimethylpentaleno<1,6a-c>pyran

甲醇钠

tetrahydro-5',5'-dimethyl-3'-methylenespiro<1,3-dioxolane-2,2'(1'H)-pentalene>-3'a(3'H)-acetaldehyde