英文别名1H,4H,5H,6H,7H-pyrazolo[4,3-d]pyrimidine-5,7-dione; 1,4-Dihydro-pyrazolo[4,3-d]pyrimidine-5,7-dione; Pyrazolo[4,3-d]pyrimidine-5,7-dione; 1,4-dihydro-5h-pyrazolo[4,3-d]pyrimidine-5,7(6h)-dione; pyrazolo[4,3-d]pyrimidine-5,7-(1H,4H,6H)-dione; 1,4-Dihydro-pyrazolo[4,3-d]pyrimidin-5,7-dion; pyrazolo[4,3-d]pyrimidine-5,7(1H)-dione 
