Paraxanthine, 50mg Back Catalog number: P192500-50MG Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended O758502-1MG Oxacillin Sodium-d5 Salt, 1mg Price on request C10242500 Amoxicillin trihydrate, 250mg Price on request F322500 Fexofenadine-d6, 1mg Price on request