Paraxanthine, 50mg Back Catalog number: P192500-50MG Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended C13203490 Erythromycin (mixture of A,B,C), 100mg Price on request A603076 Allopurinol EP Impurity A, 5g Price on request C10011900 4-Acetylaminoantipyrine, 100mg Price on request