4-羟基-7H-吡咯并[2,3-d]嘧啶;4-羰基吡咯并[2,3-D]嘧啶;4-羟基吡咯并[2,3-D]嘧啶;7-氮杂-6-羟基嘌呤;4-羟基-7H-吡咯[2,3-D]嘧啶;

7-Deazahypoxanthine;4-Hydroxypyrrolo[2,3-d]pyrimidine;1H-Pyrrolo[2,3-d]pyrimidin-4(7H)-one;3,7-Dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one;1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one;