1-methyl-3-[3-(6-oxo-3-phenylpyridazin-1-yl)propyl]urea

1-[(2-bromophenyl)methyl]-3-methylurea

1-benzyl-3-methyl-1-phenylurea

1-methyl-3-(3-methylimidazo[4,5-f]quinolin-9-yl)urea

3-methyl-9-(2,4-dimethyl-allophanoylamino) 3H-imidazo<4,5-f>quinoline