18467-08-8 4-[(1R,3bR,5aS,6aS,7aS,8R,10R,11aS,12aS,13aS,13bS,15aR)-3a,7a,8-trihydroxy-10,13a,15a-trimethylicosahydro-1H,8H-cyclopenta[7,8]phenanthro[2,3-b]pyrano[2,3-e][1,4]dioxin-1-yl]furan-2(5H)-one 984-65-6 (5R)-5-HYDROXY-4-{2-[(2R,4AR,8AR)-1,2,4A,5-TETRAMETHYL-1,2,3,4,4A,7,8,8A-OCTAHYDRONAPHTHALEN-1-YL]ETHYL}FURAN-2(5H)-ONE