(3aR,4S,6S,7aS)-3a-Benzo[1,3]dioxol-5-yl-6-(tert-butyl-dimethyl-silanyloxy)-4-methylsulfanylthiocarboxyoxy-octahydro-indole-1-carboxylic acid tert-butyl ester

(3aR,6S,7aS)-6-(tert-butyldimethylsilyloxy)-3a,6,7,7a-tetrahydro-3a-[3',4'-(methylenedioxy)phenyl]indoline

(4S,6R)-4-benzyloxy-6-(tert-butyldimethylsilyloxy)-3-[3',4'-(methylenedioxy)phenyl]-2-cyclohexen-1-one

(1R,4S,6R)-4-benzyloxy-6-(tert-butyldimethylsilyloxy)-3-[3',4'-(methylenedioxy)phenyl]-2-cyclohexen-1-ol

tert-butyl (3aR,4S,6S,7aS)-3a-(benzo[1,3]dioxol-5-yl)-6-(tert-butyldimethylsilyloxy)-2,3,3a,6,7,7a-hexahydro-1H-indole-1-carboxylate