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Priority claimed from US06/351,554external-prioritypatent/US4382939A/en
Application filed by Warner Lambert CofiledCriticalWarner Lambert Co
Publication of FI880080ApublicationCriticalpatent/FI880080A/en
Publication of FI880080A0publicationCriticalpatent/FI880080A0/en
Process for the preparation of anticholinergic 3- / 2- (mono- and dialkylamino) propyl / -1,2,3,4-tetrahydro-5H- / 1 / benzopyrano / 3,4-c / pyridin-5-one