1,3-dimethyl-1-[[methyl(methylcarbamoyl)amino]methyl]urea

1-methyl-3-[2-(methylcarbamoylamino)ethyl]urea

1,3-dimethyl-6-sulfanylidene-1,3,5-triazinane-2,4-dione

1,3-二甲基-5,5-二苯基-2,4-咪唑烷二酮