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19-nor-3-keto steroids
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Patent number 5,108,996
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Issue date Apr 28, 1992
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Roussel UCLAF
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Andre Claussner
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C07 - ORGANIC CHEMISTRY
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Novel 3-keto-steroids
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Patent number 5,081,113
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Issue date Jan 14, 1992
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Roussel UCLAF
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Andre Claussner
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C07 - ORGANIC CHEMISTRY
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3904611
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Patent number 3,904,611
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Issue date Sep 9, 1975
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C07 - ORGANIC CHEMISTRY
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3392166
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Patent number 3,392,166
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Issue date Jul 9, 1968
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C07 - ORGANIC CHEMISTRY
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3299107
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Patent number 3,299,107
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Issue date Jan 17, 1967
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C07 - ORGANIC CHEMISTRY