| 摘要 |
The invention is dealing with antispasmodic compounds of the formula I <IMAGE> in which R1 denotes H, halogen or a linear or branched C1 to C3 alkoxy or alkyl group, R2, R3 and R4 separately denote a linear or branched C1 to C4 alkyl group or R2 and R3 together with the nitrogen atom to which they are bound form a saturated heterocyclic radical, Z denotes a linear or branched C1 to C6 alkylene group and X- denotes an anion, preferably a halogen ion, and is dealing with intermediates in the preparation of the compounds of formula I. |
