Pharmaceutical IntermediateChina API Pharmaceutical Intermediates/Chemical Raw Materials Smart Drugs Carphedons 4-Phenyl-2-Pyrrolidone-1-Acetamide CAS 77472-70-9, Find details about China Pesticide Raw Materials, Pharmaceutical Grade from API Pharmaceutical Intermediates/Chemical Raw Materials Smart Drugs Carphedons 4-Phenyl-2-Pyrrolidone-1-Acetamide CAS 77472-70-9