41756-26-7 (4aS)-7α-Ethenyl-1,3,4,4a,4bα,5,6,7,8,9,10,10aα-dodecahydro-1,1,4aβ,7-tetramethylphenanthrene-8aβ,10β(2H)-diol 10-acetate 41758-42-3 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)-