| abstract |
A class of anticholinergic drugs having the formula ##STR1## in which R 1 is a carbocyclic or branched aliphatic group of 3 to 8 carbon atoms, R 2 is a branched or linear aliphatic group containing 3 to 10 carbon atoms with 1 to 2 olefinic or acetylenic bonds and R 3 is an alkyl or cyclic group of 4 to 12 carbon atoms containing a tertiary amino nitrogen, are described. |