abstract |
(57) [Summary] (Modified) [Constitution] A compound of the following formula. [In the formula, R 1 is H, alkyl, cycloalkyl or the like; 2 is a substituted or unsubstituted phenyl, R 3 is R 7 is α or β-naphthyl, R 10 is H or OH, X 1 is H, —NO 2 , CF 3 , lower alkyl or halogen, r is 1 or 2, and X 7 is 0.] [Effect] It is an antagonist of gastrin and cholecystokinin. |