16beta-Methyl-5alpha-delta 9(11)-pregnene-3beta,17alpha,21-triol-20-one-3beta,21-diacetate 50633-44-8 Mdpgto-3,21 Pregn-9(11)-en-20-one, 3,21-bis(acetyloxy)-17-hydroxy-16-methyl-, (3beta,5alpha,16beta)-