109269-69-4

5H-22,26-Epoxy-1,24:12,15-dietheno-6,10- metheno-16H-pyrido[2',3':17,18][1,10]dioxacycloeicosino[ 2,3,4-ij]isoquinolin-20-ol,16a,- 17,18,19-tetrahydro-9,21-dimethoxy-17- methyl-,(16aS)-