The subject of the present invention is related to a compound having excellent glucokinase activating effect, or pharmaceutically acceptable salt thereof. The solution of the present invention is a compound presented by formula (I) or pharmaceutically acceptable salt thereof. (wherein R1 is a C6-C10 aryl group optionally independently substituted with one to five groups selected from substituent group A, a C1-C6 alkyl group optionally independently substituted with one to five groups selected from substituent group B, etc.； X is a single bond, an oxgen atom, a sulfur atom, etc.； R2 is a C6-C10 aryl group optionally independently substituted with one to five groups selected from substituent group A, etc.； R3 is 1H-tetrazole-5-yl or 5-oxo-4, 5-dihydro-[1, 2, 4]oxadiazole-3-yl； substituent group A is the group consisting of a halogen atom, a C1-C6 alkyl group, a halogenated C1-C6 alkyl group, a hydroxyl group, and a C1-C6 hydoxyalkyl group, etc.； substituent group B is the group consisting of a halogen atom, a C3-C6 cycloalkyl group optionally substituted with a C1-C6 hydroxyalkyl group, a hydroxyl group, a C1-C6 alkoxy group, a C2-C7 alkylcarbonyl group, and a C2-C7 alkoxycarbonyl group, etc.).
