| 摘要 |
This invention relates to compounds which have oral antihyperglycemic activity of the formula: <IMAGE> I wherein: R1 is C1-C6 alkyl, C3-C8 cycloalkyl, thienyl, furyl, pyridyl, <IMAGE> R2 is hydrogen or C1-C6 alkyl; X os O or S; n is 0, 1, or 2; A is <IMAGE> <IMAGE> <IMAGE> or <IMAGE> Y is O or S; Z is N or CH when Y is O and Z is CH when Y is S; or a pharmaceutically acceptable salt thereof. |
