(S)-3-[(3aR,8aS)-3a-(tert-Butyl-dimethyl-silanyloxy)-2,3,3a,8a-tetrahydro-furo[2,3-b]indol-8-yl]-2-methyl-propan-1-ol

(3aR,8aS)-8-((phenylthio)methyl)-3a-((triethylsilyl)oxy)-3,3a,8,8a-tetrahydro-2H-furo[2,3-b]indole

(R)-2-methyl-3-trimethylacetoxy-1-propanal

(3aR,8aS)-3a-((triethylsilyl)oxy)-3,3a,8,8a-tetrahydro-2H-furo[2,3-b]indole

(3aS,8aS)-3a-Hydroxymethyl-2,3,3a,8a-tetrahydro-furo[2,3-b]indole-8-carboxylic acid benzyl ester