Substituted 4-aminoquinoline derivatives as gastric acid secretion inhibitors
 Substituted 4-aminoquinazoline derivatives of the formula: ##STR1## in which R.sup.1 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkoxyC.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.3-6 cycloalkylC.sub.1-6 alkyl, phenylC.sub.1-6 alkyl, the phenyl group being optionally substituted; PA0 R.sup.2 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, amino, C.sub.1-6 alkylthio, halogen, cyano, hydroxy, carbamoyl, carboxy, C.sub.1-6 alkanoyl or trifluoromethyl; PA0 m is 1 to 3; PA0 p is 0 to 4; PA0 R.sup.3 is COR.sup.4 ; PA0 R.sup.4 is hydroxy, C.sub.1-6 alkoxy, or NR.sup.5 R.sup.6 ; PA0 R.sup.5 and R.sup.6 are each hydrogen or C.sub.1-6 alkyl or together with the nitrogen atom to which they are attached form a heterocyclic ring; and PA0 R.sup.7 is hydrogen, C.sub.1-6 alkoxy or C.sub.1-6 alkyl; PA0 or a salt thereof. 
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C C A C A
C07D C07D A61P C07D A61P
inventional inventional inventional inventional inventional
Thomas H. Colin A. Robert J.
Brown Leach Ife