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Publication of BE650898ApublicationCriticalpatent/BE650898A/fr
C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
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Organic Chemistry
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Steroid Compounds
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Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
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