Request Sample Pharmaceuticals Market Size, Share, and Trends Analysis Report By API Type (Synthetic Chemical API and Natural Chemical API), By Drug (Prescription Drugs and OTC Drugs), By Application (Oncology, Ophthalmology, Cardiovascular Disease, Gastrointestinal Disorders, Diabetes, Endocrinology, Central Nervous System & Neurological Disorders, and Nephrology), Forecast Period (2023–2030)