title: Mechanism of antiuric action of 4-oxy- and 4-thiopyrazolopyrimidines.
mesh_terms: D000493:Allopurinol / Q000494:pharmacology; D000818:Animals; D002250:Carbon Radioisotopes; D002417:Cattle; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007700:Kinetics; D008892:Milk / Q000201:enzymology; D009711:Nucleotides / Q000096:biosynthesis; D011720:Pyrazoles / Q000378:metabolism / Q000494:pharmacology*; D011743:Pyrimidines / Q000378:metabolism / Q000494:pharmacology*; D013053:Spectrophotometry; D014527:Uric Acid / Q000037:antagonists & inhibitors* / Q000097:blood; D014969:Xanthine Oxidase / Q000037:antagonists & inhibitors
chemical_list: D002250:Carbon Radioisotopes; D009711:Nucleotides; D011720:Pyrazoles; D011743:Pyrimidines; D014527:Uric Acid; D000493:Allopurinol; D014969:Xanthine Oxidase