(2R,6S,12bS,13R)-3-Eth-(E)-ylidene-10-methoxy-12-methyl-13-triisopropylsilanyloxymethyl-1,3,4,7,12,12b-hexahydro-2H,6H-2,6-methano-indolo[2,3-a]quinolizine

trans-(1S,3R)-(-)-2-benzyl-3-ethoxycarbonyl-7-methoxy-1-methoxycarbonylethyl-9-methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole

Nα-benzyl-6-methoxy-1-methyl-D-tryptophane ethyl ester

(-)-3-{[(2R,5S)-2,5-dihydro-5-(1-methylethyl)pyrazinyl]methyl}-6-methoxy-1-methyl-2-(triethylsilyl)-1H-indole

(-)-3-{[(2R,5S)-2,5-dihydro-5-(1-methylethyl)pyrazinyl]methyl}-6-methoxy-2-(triethylsilyl)-1H-indole