methyl 5-nitro-2-oxo-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizine]-1'-carboxylate

3-(chloromethyl)-6,7-dihydro-5{H}-[1,3]thiazolo[3,2-{a}]pyrimidine

2,1,3-Benzothiadiazol-4-ol

4-[1-(2-methoxyethyl)-1{H}-indol-3-yl]-1,3-thiazol-2-amine

4-[5-(4-fluorophenyl)-1,2,4-oxadiazol-3-yl]-1,2,5-oxadiazol-3-amine

3-[3-(4-methyl-1,2,5-oxadiazol-3-yl)-1,2,4-oxadiazol-5-yl]propanoic acid

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