[¹⁴C] Hydronidone Mass Balance Study

Inclusion Criteria: * Participants must be fully informed about the study, understand the study content, procedures, and potential adverse events related to the investigational drug, and voluntarily sign a written informed consent form; * Chinese adult male participants aged 18 to 50 years (inclusive); * Participants weighing at least 50 kg at screening, with a body mass index \[BMI = weight (kg) / height² (m²)\] within the range of 19.0 to 26.0 kg/m² (inclusive); * Participants have no plan to donate sperm within 6 months after dosing; participants and their partners have no pregnancy plan during the study and within 6 months after dosing, and voluntarily agree to use effective contraceptive measures (see Appendix 1 for details; contraceptive pills are prohibited for participants during the study) to avoid pregnancy of the participant's partner. Exclusion Criteria: * The researcher determines that there are other diseases or medical histories that are clinically significant or may interfere with the participant's ability to comply with the study protocol and complete the study, including but not limited to abnormalities in the central nervous system, cardiovascular system, digestive system, respiratory system, urinary system, blood system, immune system, mental system, and endocrine metabolic system; * Abnormalities in vital signs, physical examination, routine laboratory tests (blood routine, urine routine, stool routine + occult blood, blood biochemistry, coagulation fu…