2,4,6-trimethyl-1-oxy-2,4-dihydro-pyrazolo[4,3-d]pyrimidine-5,7-dione

6-(bromomethyl)-1,3-dimethyl-5-nitropyrimidine-2,4(1H,3H)-dione

1H-吡唑并[4,3-d]嘧啶-5,7(4H,6H)-二酮

硫酸二甲酯

1,3-dimethyl-6-methylaminomethyl-5-nitro-1H-pyrimidine-2,4-dione