127592-89-6

2,7,8-Trioxabicyclo[3.2.1]octane-1-ethanethioicacid, 3-[(7a,16a,20R)-7-(acetyloxy)-16,17-epoxy-3-oxopregna-1,4-dien-20-yl]-5,6,6-trimethyl-,S-methyl ester, (1S-exo)-