56665-79-3
17-hydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione 21-(ethylcarbonate)
→
13504-15-9
(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one