6.ALPHA..BETA.-HYDROPEROXY-11.BETA.-HYDROXY-16.ALPHA.-METHYL-3,20-DIOXOPREGNA-1,4-DIEN-21-YL 2,2-DIMETHYLPROPANOATE
6.alpha..beta.-hydroperoxy-11.beta.-hydroxy-16.alpha.-methyl-3,20-dioxopregna-1,4-dien-21-yl 2,2-dimethylpropanoate