4-amino-1-methyl-6-(N'-methyl-ureido)-1H-[1,3,5]triazin-2-one

2,3,5,6-tetrahydro-1H-imidazo[1,2-a]imidazole

1H-benzo[4,5]imidazo[1,2-a][1,3,5]triazine-2,4-dione

(Z)-ethyl 2-bromo-3-phenylprop-2-enoate

二苯甲胺