[(1R,2S,4S,5S,6R,7R,8R,9S,10S)-6,9-epoxy-4,5-(O-isopropylidenedioxy)tetracyclo[6.2.1.02,7.02,10]undecan-3-on-4-yl](phenyl)methyl O-phenyl carbonothioate

(1R,2R,3R,5R)-3-tert-butyldimethylsiloxy-5-hydroxy-1,2-(O-isopropylidenedioxy)cyclohexane

(1R,2R,3R,5S)-3-tert-butyldimethylsiloxy-5-hydroxy-1,2-(O-isopropylidenedioxy)cyclohexane

(1R,4S,4aR,5R,6S,7S,8aS)-5-trihydroxy-6,7-O-isopropylidenedioxy-1,4,4a,5,6,7,8,8a-octahydro-endo-1,4-methanonaphthalen-8-one

(1S,2S,3S,4R,4aR,5R,6S,7S,8aR)-2-bromo-3,5-epoxy-6,7-(O-isopropylidenedioxy)perhydro-endo-1,4-methanonaphthalen-8-one