13231-00-0 1H-Purine-6,8-dione, 7,9-dihydro- 6,8-Dihydroxypurine 7,9-Dihydro-1H-purine-6,8-dione AI3-52132 EINECS 236-203-8 Purine-6,8(1H,9H)-dione Purine-6,8-dione