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Last Updated: December 17, 2025

Claims for Patent: 3,932,645

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Summary for Patent: 3,932,645

Title:	Pharmaceutical compositions containing unsymmetrical esters of 1,4-dihydropyridine 3,5-dicarboxylic acid
Abstract:	Pharmaceutical compositions containing unsymmetrical esters of 1,4-dihydropyridine 3,5-dicarboxylic acids as the active ingredient and methods of using same. The said ingredients are unsymmetrical 1,4-dihydropyridine 3,5-dicarboxylates which are substituted at position-4 of the dihydropyridine nucleus by phenyl which contains at least one nitro, cyano, azido, alkylthio, or alkylsulphonyl substituent. The compositions have a cardiovascular activity which makes them useful for effecting coronary vascular dilation and, also, they have utility in the treatment of hypertension.
Inventor(s):	Horst Meyer, Friedrich Bossert, Wulf Vater, Kurt Stoepel
Assignee:	Bayer AG
Application Number:	US05/398,982
Patent Claims:

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