7-methyl-7,9-dihydro-3H-purine-2,6,8-trione, 7-methylurate, 7-methyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione, 7-Methyluric acid, 7,9-Dihydro-7-methyl-1H-purine-2,6,8(3H)-trione, N7-methyluric acid, 1H-Purine-2,6,8(3H)-trione, 7,9-dihydro-7-methyl-, 7-Methyl-harnsaeure