19914-67-1 (13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮,13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity))

13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮;(8R,13S,17R)-13-乙基-17-乙炔基-17-羟基-1,2,4,6,7,8,9,11,12,13,14,15,16,17-十四氢-3H-环戊二烯并[a]菲-3-酮;乙基雌烯酮;左炔诺孕酮杂质B;17Α-乙炔基-18-甲基雌甾-5(10)-烯-17Β-醇-3-酮;13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Alpha-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮;

18,19-Dinorpregn-5(10)-en-20-yn-3-one,13-ethyl-17-hydroxy-, (17a)- (9CI);13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one;13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one;13-ETHYL-17-HYDROXY-18,19-DINOR-17Α-PREGN-5(10)-EN-20-YN-3-ONE (LEVO NORGESTREL IMPURITY);13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levo Norgestrel Impurity);(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one;13-Ethyl-17-hydroxy-18,19-dinor-17-α-pregn-5(10)-en-20-yn-3-one;Levonorgestrel impurity B;17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one;EP Levonorgestrel Impurity B;Levonorgestrel EP impurity B;13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one;13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one;(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one;13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B);13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one (Levo Norgestrel IMpurity);(8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name);13-ETHYL-17-HYDROXY-18,19-DINOR-17.ALPHA.-PREGN-5(10)-EN-20-YN-3-ONE;13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(10)-en-20-yn-3-one;DTXSID80652581;18,19-DINORPREGN-5(10)-EN-20-YN-3-ONE, 13-ETHYL-17-HYDROXY-, (17.ALPHA.)-;E8SU3M53QV;CID 29979902;(17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one;QCMLVDXPKCBMFQ-MJCUULBUSA-N;SCHEMBL11856287;13-Ethyl-17-hydroxy-18,19-dinor-17?-pregn-5(10)-en-20-yn-3-one;Levonoregestrel impurity B [EP];13-Ethyl-17-hydroxy-18,19-dinor-17Alpha-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity);(17.ALPHA.)-13-ETHYL-17-HYDROXY-18,19-DINORPREGN-5(10)-EN-20-YN-3-ONE;19914-67-1;LEVONOREGESTREL IMPURITY B [EP IMPURITY];18,19-Dinorpregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-;13beta-ethyl-17alpha-ethynyl-17beta-hydroxy-gon-5(10)-en-3-one;UNII-E8SU3M53QV;(8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one;(17a)-13-ethyl-17-hydroxy-18,19-Dinorpregn-5(10)-en-20-yn-3-one; 18,19-Dinor-17a-pregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy- (7CI,8CI); 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one; Levonorgestrel Imp. B (EP);

QCMLVDXPKCBMFQ-MJCUULBUSA-N

1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,17-19,23H,3,5-13H2,1H3/t17-,18-,19+,20+,21+/m1/s1

O[C@@]1(C#C)CC[C@H]2[C@@H]3CCC4CC(CCC=4[C@H]3CC[C@@]21CC)=O