CAS 42982-49-0: 19-Norpregna-5(10),9(11)-diene-3,20-dione,17-hydroxy-, cyclic 3-(1,2-ethanediyl acetal)

• 19-Norpregna-5(10),9(11)-diene-3,20-dione, 17-hydroxy-, cyclic 3-(1,2-ethanediyl acetal)
• 19-Norpregna-5(10),9(11)-diene-3,20-dione,17-hydroxy-,cyclic 3-(1,2-ethanediyl acetal)