1,3-diethyl-1-(2-nitrophenyl)-3-phenylurea

2-[(1-hydroxy-2H-1,2,4-benzotriazin-3-yl)amino]ethanol

4-Hydroxy-2-methyl-N-(2-nitrophenyl)-2H-1,2-benzothiazine-3-carbo xamide 1,1-dioxide

1-methyl-3-(2-nitrophenyl)urea