N-(2-羟基乙基)-N'-甲基脲

4-硝基苯基氨基甲酸乙酯

6-chloro-4-hydroxy-3-methyl-4-phenyl-1H-quinazolin-2-one

2-(methylcarbamoylamino)ethyl N-methylcarbamate

1-(3-tert-butyl-1,2-oxazol-5-yl)-3-methylurea