(6S,7R,9E,10S,11aS)-9-ethylidene-5,6,8,9,10,11,11a,12-octahydro-11-hydroxymethyl-3-methoxy-5-methyl-6,10-methanoindolo[3,2-b]quinolizine-11-carboxaldehyde

(-)-(6S,10S)-5,6,7,8,10,11-hexahydro-3-methoxy-5-methyl-6,10-imino-9H-cyclooct[b]indol-9-one

11-methoxy-1-methyl-17-norsarpagan-16-one

(+)-Na-methyl-16-epigardneral

(6S,10S)-5,6,7,8,10,11-hexahydro-12-(Z-2'-iodo-2'-butenyl)-3-methoxy-5-methyl-6,10-iminocyclooct[b]indol-9-one