(R)-5-Methoxy-1,3-dimethyl-3-((E)-2-triisopropylsilanyloxy-vinyl)-1,3-dihydro-indol-2-one

1-carbomethoxy-2-hydroxy-3-(2-hydroxyethyl)-5-methoxy-3-methylindoline

3,3a,8,8a-tetrahydro-8-carbomethoxy-5-methoxy-3a-methyl-2H-furo<2,3-b>indole

3,3a,8,8a-tetrahydro-5-methoxy-3a-methyl-2H-furo<2,3-b>indole

methyl (2-(1-(hydroxymethyl)-1-methyl-3-butenyl)-4-methoxyphenyl)carbamate