Isoquinoline
2H-22,26-Epoxy-1,24:12,15-dietheno-6,10- metheno-16H-pyrido[2',3':17,18][1,10]dioxacycloeicosino[ 2,3,4-ij]isoquinoline,3,4,4a,5,16a,- 17,18,19-octahydro-9,21-dimethoxy-17- methyl-,(4aR,16aS)-
(4bS,5S,6R,10bR,12R)-6-ethenyl-12-hydroxy-5-methyl-3,4,4b,5,6,7,8,9,10b,12-decahydro-1H-pyrido[4',3':4,5]pyrano[3,2-h]isoquinoline-1,10(2H)-dione