Difurylglycolic acid esters of the formula 1
wherein X
−
and the groups A, R, R
1
, R
2
, R
3
and R
3′
may have the meanings given in the claims and in the specification, processes for preparing them and their use for treating asthma, COPD, vagally induced sinus bradycardia, heart rhythm disorders, spasms in the gastrointestinal tract, spasms in the urinary tract or menstrual pain.
公式1中的Difurylglycolic酸酯,其中X-和A、R、R1、R2、R3和R3'的基团可以具有在权利要求书和规范中给出的含义,制备它们的过程以及它们用于治疗哮喘、
COPD、迷走神经引起的窦性心动过缓、心律失常、胃肠道痉挛、泌尿道痉挛或经期疼痛的用途。