16alpha-ethyl-21-hydroxy-19-norpregna-4,9-diene-3,20-dione
CAS No. 72137-42-9
16alpha-ethyl-21-hydroxy-19-norpregna-4,9-diene-3,20-dione;Org 5933;16α-Ethyl-21-hydroxy-19-norpregna-4,9-diene-3,20-dione