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Priority claimed from US06/135,100external-prioritypatent/US4297360A/en
Priority claimed from US06/198,461external-prioritypatent/US4313951A/en
Application filed by Sterling Drug IncfiledCriticalSterling Drug Inc
Publication of MX158257ApublicationCriticalpatent/MX158257A/es
5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof