Levonorgestrel EP Impurity B
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one;(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
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货号： IL031102
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CAS号： 19914-67-1
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分子式：C21H28O2
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分子量：312.45
左炔诺孕酮杂质29(312.45)
797-64-8
左炔诺孕酮杂质27(312.45)
178737-52-5
左炔诺孕酮杂质26(314.43)
51773-49-0
左炔诺孕酮杂质24(340.46)
14507-47-2
左炔诺孕酮杂质23(298.38)
108027-10-7
左炔诺孕酮杂质22(324.42)
38165-80-9
