(11?,16?)-11,21-bis(acetyloxy)-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione; 2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-acetoxy-6a,8a,10-trimethyl-4-oxo-2,4,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-1H-naphtho[2',1':4,5]indeno[1,2-d]oxazol-8b-yl)-2-oxoethyl acetate
