Annelated dihydropyridines and the use thereof for preparing pharmaceutical preparations

1. Field of the Invention A compound of formula I whereinA denotes a benzo, indolo or thieno group;Rdenotes thienyl or the group whereinR, Rand Rindependently of one another may represent methyl, ethyl, propyl, phenyl or benzyl, while not more than 2 of the substituents can simultaneously represent phenyl or benzyl;R, m, Rand Rare defined as in the specification, as well as pharmaceutical preparations containing this compound and the new pharmaceutical uses thereof.