Task: Translation
Input (English): The drug called PA-457, which is derived from betulinic acid and comes from by-products from paper manufacturers, is being manufactured and developed by Maryland drug manufacturer Panacos Pharmaceuticals.
Output (Central Khmer): ថ្នាំឈ្មោះ PA-457 ដែលផ្សំឡើងពីអាស៊ីតប៉េតូលីនិច ហើយនិងផលិតផលបន្ថែមផ្សេងទៀតពីរោងចក្រផលិតក្រដាស គឺត្រូវបានកំពុងផលិត ហើយបង្កើតឡើងដោយ រោងចក្រផលិតថ្នាំ Maryland Panacos Pharmaceuticals។