1,1,3-三乙基脲

(2,2-dimethyl-1,3-dioxolan-4-yl)methyl N,N-diethylcarbamate

N,N-diethylaziridine-1-carboxamide

1,3,4-trimethylimidazolidin-2-one

二(N,N-二乙基氨基甲酸) 2-甲基-2-丙基三亚甲基酯