1β-acetoxy-4β-chloro-6α-(benzyloxy)-2-cycloheptene

1β-(p-toluenesulfonamido)-2β,3β-epoxy-4α-chloro-6α-(benzyloxy)-2-cycloheptene

1β-(p-toluenesulfonamido)-4β-hydroxy-6α-(benzyloxy)-2-cycloheptene

pseudoscopine benzyl ether