105448-63-3
(1R,5S,6R,7R)-6-ethoxycarbonyl-3,3-ethylenedioxy-7-tetrahydropyranyloxybicyclo[3.3.0]octane
→
102491-09-8
(1R,5S,6R,7R,1'E)-3,3-ethylenedioxy-6-(3'-oxo-1'-octenyl)-7-tetrahydropyranyloxybicyclo[3.3.0]octane
69552-46-1
卡巴环素