17-Hydroxypregna-1,4-diene-3,20-dione acetate 2668-74-8 Pregna-1,4-diene-3,20-dione, 17-(acetyloxy)- Pregna-1,4-diene-3,20-dione, 17-hydroxy-, acetate delta(sup 1)-Dehydro-17-alpha-acetoxyprogesterone