(5S,8R,10S)-drim-9(11)-en-8-ol

1,2-di-O-benzyl-4-O-tert-butyldimethylsilylbenzenetriol

Acetic acid (R)-[4,5-bis-benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-phenyl]-((1S,2R,4aS,8aS)-2-hydroxy-2,5,5,8a-tetramethyl-decahydro-naphthalen-1-yl)-methyl ester