1044-96-8 17-Hydroxy-13-propyl-18,19-dinor-17-alpha-pregn-4-en-20-yn-3-one 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-13-propyl- 18,19-Dinorpregn-4-en-20-yn-3-one, 17-hydroxy-13-propyl-, (17-alpha)- (9CI) BRN 5592410 R 1364 R 1364 (Steroid) RU 1364