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| Products: | (17¦Á)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol |
| Synonyms: | Levonorgestrel Impurity S |
| Cas No.: | 176254-10-7 |
| Molecular Formula: | C22H30O2 |
| Molecular Weight: | 326.47 |
| Assay: | 95%min |
| Molecular Structure: |  |
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