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Levonorgestrel English Synonyms: 13-ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one;13-ethyl-17-alpha-ethynylgon-4
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Levonorgestrel CAS NO.: 797-63-7 EINECS: 212-349-8 Assay: 99% Molecular Formula:C21H28O2 Molecular Weight:312.45 Qual
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