| abstract |
(57) [Problem] To provide a pharmaceutical composition having an excellent hypoglycemic action and useful as a hypoglycemic agent for the treatment and prevention of diabetes. SOLUTION: The general formula: Wherein R 1 is a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom, R 2 is a lower alkyl group, 3 represents a di-lower alkyl phosphoro-lower alkyl group or the like. ] The pharmaceutical composition containing the coumarin derivative represented by these as an active ingredient. |