6-amino-1,4-dimethyl-1,4-dihydroquinoxaline-2,3-dione

4-amino-3-methyl-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamide

3-(2-bromophenyl)-1{H}-1,2,4-triazol-5-amine

2-imino-2',4-dioxo-1',2'-dihydrospiro[3-azabicyclo[3.1.0]hexane-6,3'-indole]-1,5-dicarbonitrile

pyridazine-3,4,5,6-tetramine

(2-amino-6,7-dihydro-5{H}-pyrrolo[1,2-{a}]imidazol-3-yl)(3,4-dimethoxyphenyl)methanone

[1-(4-amino-1,2,5-oxadiazol-3-yl)-1{H}-1,2,3-triazol-5-yl]methanol

2'-oxo-1',2'-dihydrospiro[cyclopropane-1,3'-indole]-2,2,3,3-tetracarbonitrile

5-[(2-hydroxy-3-methoxybenzyl)amino]-1{H}-pyrazole-4-carbonitrile

(2-amino-6,7-dihydro-5{H}-pyrrolo[1,2-{a}]imidazol-3-yl)(4-chlorophenyl)methanone

2-(3,5-dimethyl-4{H}-1,2,4-triazol-4-yl)benzoic acid

5-(2-nitrophenyl)-3-phenyl-1,2,4-oxadiazole

4-methyl-5-[2-(methylthio)ethyl]-1,3-dihydro-2{H}-imidazole-2-thione

(2-amino-6,7-dihydro-5{H}-pyrrolo[1,2-{a}]imidazol-3-yl)(2,4-dimethoxyphenyl)methanone

{N}'-hydroxy-4-(2{H}-tetrazol-5-yl)-1,2,5-oxadiazole-3-carboximidamide