{N}-(2-aminoethyl)-3-[(3-nitro-1{H}-pyrazol-1-yl)methyl]-1,2,4-oxadiazole-5-carboxamide

ethyl 2-(2-acetylhydrazino)-5-methyl-1,3-thiazole-4-carboxylate

5-amino-7-pyridin-3-yl-4,7-dihydro[1,2,4]triazolo[1,5-{a}]pyrimidine-6-carbonitrile

ethyl (7-oxo-4,7-dihydro[1,2,4]triazolo[1,5-{a}]pyrimidin-5-yl)acetate

2-amino-5-(chloromethyl)[1,2,4]triazolo[1,5-{a}]pyrimidin-7(4{H})-one

3-iodo-6,8-dioxabicyclo[3.2.1]oct-2-en-4-one

7-methyl-4{H}-[1,2,5]oxadiazolo[3,4-{b}][1,4]diazepin-5(8{H})-one

4-(5-pyridin-4-yl-1,2,4-oxadiazol-3-yl)-1,2,5-oxadiazol-3-amine

ethyl 7-amino-4-chloro-2-(methylthio)pyrido[4,3-{d}]pyrimidine-8-carboxylate

4-chloro-5,8-dimethoxy-2-methylquinoline

8-ethoxy-2-methylquinolin-4-ol