Hydroxyprogesterone Impurity 30

2-oxo-2- ((6aS,8aS,8bS,11aR,12aS,12bS) -6a,8a,10,10-tetramethyl-4-oxo-1,2,4,6a,8,8a,11a,12,12a,12b-decahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl) ethyl acetate