英文别名2,4,6,8-Tetrahydroxy-pyrimido[5,4-d]pyrimidine; 1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone; 1,5-Dihydropyrimido[5,4-d]pyrimidine-2,4,6,8(3H,7H)-tetrone; Homouric Acid; Oxyhomouric Acid; pyrimido[5,4-d]pyrimidine-2,4,6,8-tetrol; 1,5-dihydro-pyrimido[5,4-d]pyrimidinetetraone; 1,5-Dihydro-pyrimido[5,4-d]pyrimidintetraon; 2,4,6,8-Tetrahydroxypyrimido-[5,4-d]pyrimidine; 2,4,6,8-Tetraoxo-octahydro-pyrimido[5,4-d]pyrimidine 
