甲醛

(1S,4S,7S,8R,11R,12R,13S)-13-isopropyl-12-methyl-10-oxa-2-azatetracyclo[5.4.1.1.8,11.04,12]tridecan-9-one

methyl (2aS,2a1R,4S,5R,5aS,7aS)-4-isopropyl-2,2a1-dimethyl-3-oxodecahydro-1H-cyclopenta[cd]indole-5-carboxylate

(+)-(1S,4S,5R,6S,11R)-5-acetoxy-6-isopropyl-3,11-dimethyl-3-azatricyclo-[6.2.1.04,11]undec-7-en-9-one

(+)-(1S,4S,5R,6R,8S,11R)-5-acetoxy-6-isopropyl-3,11-dimethyl-3-azatricyclo-[6.2.1.04,11]undecan-9-one