4-Imidazolidinecarboxamide,4-methoxy-1-methyl-N-[(methylamino)carbonyl]-2,5-dioxo-

1-methyl-3-(1-methyl-2,5-dioxoimidazolidin-4-yl)urea

盐酸

2,6-dimethyl-2,4,6,8-tetraazabicyclo[3.3.0]octane-3,7-dione

cis-N-dimethylglycoluril