| 摘要 |
A compound of formula (I), and salts thereof: <IMAGE> (I) wherein: R1 is a C1-6 alkoxy group; R2 and R3 are the same or different and are hydrogen, halogen, CF3, C1-7 acyl, amino, C1-7 acyl amino, aminocarbonyl or aminosulphone optionally substituted by one or two C1-6 alkyl groups; C1-6 alkyl-SOn wherein n is 1 or 2; or nitro; R4 is hydrogen or C1-6 alkyl; R5 is C1-6 alkyl or a group -(CH2)sR6 wherein s is 1 or 2 and R6 is C3-8 cycloalkyl or phenyl, which phenyl may optionally be substituted by one or two substituents selected from C1-6 alkyl, C1-4 alkoxy, CF3 and halogen; n is 0 to 3; p is 3 to 6; and r plus s is 2 to 5; may be used for the treatment of disorders of the gastro-intestinal function.
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