Inclusion Criteria:
1. Male, healthy adult;
2. Age of 18 to 45 years old (both inclusive);
3. Body mass index (BMI) between 19.0- 32.0 kg/m2 (both inclusive) and body weight no less than 50.0 kg.
Exclusion Criteria:
1. Clinically significant diseases at the time of screening;
2. History or family history of medullary thyroid carcinoma, thyroid C-cell hyperplasia, or multiple endocrine neoplasia type 2 (MEN2), or calcitonin ≥ 35 ng/L during the screening period;
3. History of chronic pancreatitis or acute pancreatitis within 3 months prior to screening;
4. History of acute cholecystitis attack within 3 months prior to screening;
5. Participant judged by investigator has dysphagia, diseases or conditions that affect gastric emptying or affect the absorption of nutrients in the gastrointestinal tract, such as bariatric surgery or other gastrectomy, irritable bowel syndrome, dyspepsia, etc.;
6. Any of the following: habitual constipation or diarrhea, hemorrhoids or accompanied by perianal disease, irritable bowel syndrome, inflammatory bowel disease, etc;
7. Use of any prescription medication, over-the-counter medication, Chinese herbal medicine or food supplement within 14 days or 5 half-lives (whichever is longer) prior to the screening period;
8. Patients with any abnormal and clinically significant examinations in given comprehensive physical examination;
9. History of drug abuse (e.g., morphine, ketamine, tetrahydrocannabinolic acid, metham phetamine, methylenedioxyamphetamine, cocaine) or positive urine drug test during the screening period;
10. Positive for hepatitis B surface antigen or E antigen, hepatitis C virus antibody IgG (Anti-HCV IgG), human immunodeficiency virus antigen/antibody combination test (HIV-Ag/Ab) and Treponema pallidum antibody during the screening period.
11. Engaged in working conditions requiring long-term exposure to radioactivity; or significant radioactive exposure ( ≥ 2 CT chest/abdomen tests, or ≥ 3 all other types of X-rays test) within 1 year prior to the trail, or participated in radio-label trails;
