1-(2'-HYDROXYETHYL)URACIL

8-CHLORO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE

1,3-BIS(2'-HYDROXYETHYL)URACIL

3,5-dichloropyridazin-4-amine

2-bromo-6-methyl-1H-pyridin-4-one

2-HYDROXY-4-METHOXYANILINE HYDROCHLORIDE

(1-hydrazinyl-2-nitroethenyl)hydrazine

4-Bromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one