[EN] ISOLATION OF DIHYDROPYRIDINE DERIVATIVE AND PREPARATION SALTS THEREOF [FR] ISOLATION DE DERIVE DE DIHYDROPYRIDINE ET SELS DE PREPARATION DE CELUI-CI
[EN] ISOLATION OF DIHYDROPYRIDINE DERIVATIVE AND PREPARATION SALTS THEREOF [FR] ISOLATION DE DERIVE DE DIHYDROPYRIDINE ET SELS DE PREPARATION DE CELUI-CI