| 摘要 |
Compounds of formula: <IMAGE> (I) in which R1 denotes 2-indolyl, 2-thienyl, 3-furyl, naphthyl, phenyl, or phenyl substituted with one or two halogen atoms, with alkoxy, alkyl, nitro, acylamino, alkylthio, acyl, trifluoromethoxy, morpholino, piperidino, amino, mono- or dialkylamino or, at the 3- and 4-positions, with methylenedioxy R2 denotes phenyl or phenyl substituted with one or two halogen atoms, with one or two alkyl radicals, with alkoxy, nitro, trifluoromethyl or hydroxy or, at the 3- and 4-positions, with methylenedioxy and either X denotes oxygen and R3 denotes phenyl R4, R5 and R6 denote hydrogen, or R3 and R4 denote hydrogen, R5 denotes hydrogen or methyl and R6 denotes phenyl or one of R3 and R4 denotes methyl and the other hydrogen, R5 denotes hydrogen and R6 denotes phenyl, or X denotes sulphur, R3 denotes phenyl and R4, R5 and R6 denote hydrogen; the said acyl, alkyl and alkoxy radicals and acyl, alkyl and alkoxy portions containing 1 to 4 carbon atoms each in a straight or branched chain; and their salts are useful in the treatment and prevention of disorders in which therapy with a cholecystokinin antagonist is indicated.
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