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

Acetic acid (3aS,8aS)-3a,8-dimethyl-3,3a,8,8a-tetrahydro-2H-furo[2,3-b]indol-5-yl ester

Acetic acid (3aS,8aS)-3a-methyl-3,3a,8,8a-tetrahydro-2H-furo[2,3-b]indol-5-yl ester

(-)-physovenol

(-)-3a-methylfuroindoline