Farmitalia Carlo Erba S.r.l.

Mariia Menichincheri

Patricia Salvati

Paolo Cozzi

Germano Carganico

Imidazolyl and pyridyl derivatives of phenyl substituted 1,4-dihydropyridines of formula (I) ##STR1## wherein Het is ##STR2## A represents a direct linkage, --CH.sub.2 --, CH.sub.2 --CH.sub.2 -- or, when Het is ##STR3## A may also represent --CH.dbd.CH--; R is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy; each of R.sub.3 and R.sub.4 is a C.sub.1 -C.sub.3 alkyl group; one of R.sub.1 and R.sub.2 is a group --OR' wherein R' is a C.sub.1 -C.sub.6 alkyl either unsubstituted or omega substituted by C.sub.1 -C.sub.3 alkoxy or cyano, and the other is, independently,

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Milan, Italy

Mariia Menichincheri