E-17-Deacetylnorgestimate

: anti-Norelgestromin; (E)-13β-Ethyl-3-hydroxyimino-18,19-dinor-17a-pregn-4-en-20-yn-17β-ol; anti-Norelgestromin; 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, oxime, (3E,17α)-; (8R,9S,10R,13S,14S,17R,E)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one oxime; (E)-17-Deacetylnorgestimate; (E)-17-Deacetylnorgestimate (USP);