The drug-drug interaction study had been designed to investigate the effect of RAY1225 on the pharmacokinetics of digoxin, Rosuvastatin and

Inclusion Criteria:

1. Body mass index (BMI) ≥20 to ≤35 kg/m2 and total body weight >50 kg(male) or >45kg(female) at Screening (calculated as a function of measured height and weight according to the formula, BMI = kg / m2 where m2 is height in meters squared);
2. Ability to understand and willingness to sign a written informed consent form;
3. Normal physical examination, vital signs, 12-lead ECG, and clinical laboratory values, or any abnormality that is non-clinically significant.

Exclusion Criteria:

1. Participants with a history of hypersensitivity to study drug or any component of study medication;
2. Participants had taken prescription, over-the-counter, herbal, or vitamin products within 4 weeks prior to screening；
3. Smoking more than 5 cigarettes per day within 12 weeks prior to screening，or who cannot stop using any tobacco products during the study period;
4. Participants who donated blood/bleeding profusely (> 400 mL) 12 weeks prior to randomization;
5. Those with clinically significant Electrocardiogram(ECG) abnormalities, or QTcF > 450ms;
6. Participants who test positive at Screening and/or admission (Day -1) for alcohol abuse.
7. Females who are pregnant, lactating, or likely to become pregnant during the study.
8. History of dysphagia or any gastrointestinal disorder that affect absorption