5-氧代-3 -[(三乙基硅烷基)氧基)-1-环戊烯-1-庚酸甲酯

methyl 7-((1R,2R,3R)-3-((tert-butyldimethylsilyl)oxy)-2-((E)-4-methyl-4-((trimethylsilyl)oxy)oct-1-en-1-yl)-5-oxocyclopentyl)heptanoate

6-溴己酸甲酯

methyl 6-nitrohept-6-enoate

methyl 6-nitrohexanoate