Provided is a medicinal drug capable of, for example, further reducing blood glucose, improving lipid metabolism, and reducing side effects. The medicinal drug is obtained by combining: compound (1) or a pharmaceutically acceptable salt thereof； and at least one drug selected from the group consisting of a dipeptidyl peptidase 4 inhibitor, a biguanide drug, a sodium-glucose transporter 2 inhibitor, a sulfonylurea drug, and an [alpha]-glucosidase inhibitor.本發明提供一種可使血糖進一步降低、脂質代謝改善、副作用減低等之醫藥。本發明係一種醫藥，其包含化合物(1)：或其藥學上可容許之鹽，與選自包含二肽基肽酶4抑制劑及雙胍類藥、鈉-葡萄糖轉運蛋白2抑制劑(sodium glucose co-transporter 2 inhibitor)、磺醯尿素藥及α-葡萄糖苷酶抑制劑之群組中之至少1種藥劑的組合。
