Allopurinol EP Impurity B, 250mg Back Catalog number: F696750 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended H827810 4-Hydroxyhippuric Acid, 25mg Price on request D448765 10,11-Dihydro Carbamazepine, 100mg Price on request C10385990 Azithromycin, 25mg Price on request