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3816405
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Information
Patent Grant
3816405
References
Source
Patent Number
3,816,405
Date Filed
Not available
Date Issued
Tuesday, June 11, 1974
50 years ago
CPC
C07J53/005 - in position 12
C07J1/0014 - substituted in position 17 alfa, not substituted in position 17 beta
C07J21/008 - at position 17
C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
C07J71/001 - Oxiranes
Y02P20/582 - of unreacted starting or intermediate materials
US Classifications
540 - Organic compounds
552 - Organic compounds
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