(4S,6aR,6bS,8aS,8bS,13aR,14aS,14bR)-6a,8a,12,12-tetramethyl-9-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,13a,14,14a,14b-hexadecahydro-12H-naphtho[2'',1'':4',5']indeno[1',2':2,3]azirino[1,2-c][1,3]oxazin-4-yl acetate

16α,17α-epiminopregn-4-en-21-ol-3,20-dione

13α,21-epoxy-17β-methyl-16α-amino-18-norisopregn-5-en-3β-ol-20-one

3β,21-diacetoxy-20,20-dimethoxy-16α,17α-acetylepiminopregn-5-ene

16α,17α-21-acetonide of 16α,17α-epiminopregn-4-en-21-ol-3,20-dione