27073-72-9

2H,16H-22,26-Epoxy-1,24-etheno-6,10:11,15-dimethenopyrido[2',3':17,18]oxacycloeicosino[2,3,4-ij]isoquinolin-9-ol,3,4,4a,5,16a,17,18,19-octahydro-12,21-dimethoxy-4,17-dimethyl-, (4aS,16aR)-