Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1990-03-15
1991-08-06
Rose, Shep K.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
514178, 552597, A61K 3156
Patent
active
050378171
ABSTRACT:
A pharmaceutical composition which contains a pharmaceutically suitable carrier and the compound having the structure (7.alpha.,17.alpha.)-17-hydroxy-7-methyl-19-nor-17-pregn-5(10)-en-20-yn-3- one, characterized in that the said compound is crystalline pure and completely or virtually completely free from the other crystalline form.
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Haleblian et al, J. Pharm. Sci. 58(8): 911-929, Aug. 1969, "Pharmaceutical Applications of Polymorphism".
Sas Gerard A. J. M. T.
van Doornum Emile M.
Akzo N.V.
Blackstone William M.
Rose Shep K.
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