| 摘要 |
A thiophene derivative of the formula: <CHEM> wherein R<1>, R<2> and R<3> are a lower alkyl group, Ring A is a substituted or unsubstituted phenyl group, X is -OCO-, -O- or -S-, m and n are an integer of zero or 1, and p and q are an integer of zero, 1 or 2, or a salt thereof and processes for preparing the same are disclosed. The thiophene derivative (I) is useful as the regulator of gastrointestinal tract motility. There is also described methods of making the novel compounds, and pharmaceutical compositions containing them. |
