| 摘要 |
Compounds of general formula (I) (see Formula I) wherein R1 represents a phenyl, C3-7cycloalkyl, C7-11 bridgedcycloalkyl or C1-6alkyl group which alkyl group may be substituted by a hydroxy; phenyl, C1-6alkoxycarbonyl; C3-7cycloalkyl, or C7-11 bridgedcycloalkyl group; R2 represents a substituted or unsubtituted phenyl group (wherein the substitutents may be 1 or 2 of halo, C1-4alkyl, nitro, cyano, trifluoromethyl, trifluoromethox y, C1-4alkylthio or (CH2)n R4 wherein R4 is hydroxy, C1-4alkoxy, CO2R5 or NR6R7. R3 is phenyl optionally substituted by one or two halogen atoms; R5 represents hydrogen or a C1-4alkyl group; R6 and R7 independently represent hydrogen or a C1-4alkyl group. R8 represents hydrogen or a halogen atom; m is zero, 1 or 2; n is zero or 1; are antagonists of gastrin and CCK-B receptors
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