20-Oxopregnacalciferol 3beta-Hydroxy-9,10-secopregna-5,7,10(19)-triene-20-one 86120-56-1 Ethanone, 1-(octahydro-4-((5-hydroxy-2-methylenecyclohexylidene)ethylidene)-7a-methyl-1H-inden-1-yl)-, (1S-(1alpha,3abeta,4E(1Z,5R*),7aalpha))-