Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/US1986/000958external-prioritypatent/WO1987006576A1/en
Application filed by PfizerfiledCriticalPfizer
Priority to IN216/DEL/89ApriorityCriticalpatent/IN167630B/en
Publication of IN167630BpublicationCriticalpatent/IN167630B/en