| abstract |
An amide derivative of the formula (I), (wherein R1: -H, -C1-6 alkylene phenyl or-optionally halogen substituted phenyl, R2a: -H or C1-6 alkyl R3a: -H or -OH) or the salt, and the pharmaceutical composition for treating diabetes. The compounds of the present invention have both of insulin secretion promoting action and insulin sensitivity strengthening action, and are useful as diabetes treating agent. |