(4-氨基苯)羧酸乙酯

1-(2-hydroxyphenyl)-3-(4-nitrophenyl)urea

(4-nitrophenyl)cyanamide

4-(4-nitrophenyl)-2,3-diphenyl-1,2,4-oxadiazolidin-5-one

1-(4-aminophenyl)-3-cyclohexylurea