[(2S),3aR,8aS]-3a-(tert-butyldimethylsilyloxy)-8-(2-methyl-3-trimethylacetoxypropyl)-3,3a,8,8a-tetrahydro-2H-furo[2,3-b]indole

(E)-(R)-2-[(3aR,8aS)-3a-(tert-Butyl-dimethyl-silanyloxy)-2,3,3a,8a-tetrahydro-furo[2,3-b]indol-8-ylmethyl]-2-methyl-oct-3-enal

(E)-(R)-2-[(3aR,8aS)-3a-(tert-Butyl-dimethyl-silanyloxy)-2,3,3a,8a-tetrahydro-furo[2,3-b]indol-8-ylmethyl]-2-methyl-oct-3-en-1-ol