摘要 |
The present invention is a 1,3,8 substituted xanthine derivative of formula I or a pharmaceutically acceptable salt thereof, wherein R<SUP>1</SUP>, R<SUP>2 </SUP>and R<SUP>3 </SUP>are as defined in the specification. Compounds of formula I and pharmaceutically acceptable salts or prodrugs thereof show activity as modulators of gluconeogenesis. |