| 摘要 |
PCT No. PCT/EP93/00174 Sec. 371 Date Jul. 20, 1994 Sec. 102(e) Date Jul. 20, 1994 PCT Filed Jan. 26, 1993 PCT Pub. No. WO93/15055 PCT Pub. Date Aug. 5, 1993.The present invention relates to N-pyridylamidine and N-pyridylguanidine derivatives of general formula (I) in which: Ar1 is an optionally substituted phenyl ring; Ar2 is an optionally substituted phenyl ring; R1 is hydrogen or C1-4alkyl; R2 is hydrogen or C1-4alkyl; R3 is hydrogen or C1-4alkyl; R4 is hydrogen, halogen, C1-6alkyl or C1-6alkoxy; X is CH2 or NR5, and R5 is hydrogen or C1-4alkyl, and the salts thereof, and their use in therapy as gastric acid secretion inhibitors.
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