145-95-9 6-MERCAPTOPURINE-3-N-OXIDE 6-Mercaptopurine 3-N-oxide 6-Mercaptopurine 3-oxide 6-Mercaptopurine oxide 6H-Purine-6-thione, 1,7-dihydro-, 3-oxide (9CI) FDA 0188 Mercaptopurine 3-N-oxide Mercaptopurine-3-N-oxide NSC 528013 Purin-6-thiol, 3-N-oxide Purine-6-thiol, 3-oxide (8CI)