Synonyms: 3-Hydroxy-8-azaxanthine;3H-v-Triazolo(4,5-d)pyrimidine-5,7(4H,6H)-dione, 4-hydroxy-;4-Hydroxy-3H-v-triazolo(4,5-d)pyrimidine-5,7(4H,6H)-dione;NSC527501;AC1L70V0;NSC-527501;LS-156784;4-hydroxy-2H-triazolo[4,5-d]pyrimidine-5,7-dione;42028-33-1;703-40-2