The Metabolite Identification and Material Balance Study of SP2086

Inclusion Criteria: * Healthy volunteers with a body mass index(BMI) between 19 and 25 Kg/m2,and weight ≥50kg. * Lab and other examination results were normal or mildly abnormal without clinical significance, clinical doctors had considered eligible. * Had signed the informed consent himself or herself voluntarily. Exclusion Criteria: * Has a history of severe system disease, or family history (including the cardiovascular system, digestive system, urinary system, etc.). * Has a history of allergy or intolerance to SP2086 OR other DPP-IV. * The subjects participated 3 times or more than 3 times drug clinical subjects in nearly a year;participate any drug clinical trial prior to the test 3 months, or had blood donor, or plan to blood donors three months before the test;or had a transfusion in 4 weeks. * Did not take effective contraceptive measures or planning of the subjects in half a year. * Researchers considered the patient adherence is poor, or has any unfavorable factors that not suit to participate the test.