1-ethyl-8,9-dimethoxy-1,10b-dimethyl-1,5,6,10b-tetrahydro[1,3]oxazolo[4,3-{a}]isoquinolin-3-one

4-amino-{N}-(2-hydroxyethyl)-1,2,5-oxadiazole-3-carboxamide

(4a{R},8a{R})-1-benzoyloctahydroquinolin-4(1{H})-one

3,4-dimethoxy-2-furoic acid

ethyl 2-amino-5,6,7,8-tetrahydroimidazo[1,2-{a}]pyridine-3-carboxylate

{N}'-hydroxy-4-methyl-1,2,5-oxadiazole-3-carboximidamide

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