The present invention relates to N-pyridylamidine and N-pyridylguanidine derivatives of general formula (I) in which: Ar.sup.1 is an optionally substituted phenyl ring; Ar.sup.2 is an optionally substituted phenyl ring; R.sup.1 is hydrogen or C.sub.1-4 alkyl; R.sup.2 is hydrogen or C.sub.1-4 alkyl; R.sup.3 is hydrogen or C.sub.1-4 alkyl; R.sup.4 is hydrogen, halogen, C.sub.1-6 alkyl or C.sub.1-6 alkoxy; X is CH.sub.2 or NR.sup.5, and R.sup.5 is hydrogen or C.sub.1-4 alkyl, and the salts thereof, and their use in therapy as gastric acid secretion inhibitors.
本发明涉及一般式(I)的N-
吡啶基脒和N-
吡啶基
胍衍
生物,其中:Ar.sup.1是可选择取代的
苯环;Ar.sup.2是可选择取代的
苯环;R.sup.1是
氢或C.sub.1-4烷基;R.sup.2是
氢或C.sub.1-4烷基;R.sup.3是
氢或C.sub.1-4烷基;R.sup.4是
氢,卤素,C.sub.1-6烷基或C.sub.1-6烷
氧基;X是CH.sub.2或NR.sup.5,R.sup.5是
氢或C.sub.1-4烷基,以及它们的盐,以及它们在治疗中作为胃酸分泌
抑制剂的用途。