(3R,4R)-4-Acetyl-3-(acetylamino-ethoxycarbonyl-methyl)-4-phenylsulfanyl-4,5-dihydro-3H-benzo[cd]indole-1-carboxylic acid ethyl ester
(6aS,9R,9aS)-8-Acetyl-7-methyl-7-phenylsulfanyl-7,8,9,9a-tetrahydro-6H,6aH-isoindolo[4,5,6-cd]indole-2,9-dicarboxylic acid diethyl ester
3-((Z)-2-Acetylamino-2-ethoxycarbonyl-vinyl)-4-(3-oxo-2-phenylsulfanyl-butyl)-indole-1-carboxylic acid ethyl ester
(+/-)-α-cyclopiazonic acid