5-nitro-2H-pyrazolo[3,4-b]pyridine-3-carboxylic acid

4-nitro-3-(2,2,2-trifluoroethoxy)-1H-pyrazole

ethyl (1-ethyl-1H-pyrazol-5-yl)acetate

1-(2-fluoroethyl)-5-methyl-1H-pyrazol-4-amine

(4-amino-3-methyl-1H-pyrazol-1-yl)acetic acid

(3-chloro-1H-1,2,4-triazol-1-yl)acetic acid

2-(3-chloro-1H-1,2,4-triazol-1-yl)butanoic acid

2-(5-bromo-1H-1,2,4-triazol-1-yl)butanoic acid

1-ethyl-4-methyl-1H-imidazole-2-carbaldehyde

4-amino-1-(2,2-difluoroethyl)-1H-pyrazole-5-carboxylic acid

4-amino-1-(2-fluoroethyl)-1H-pyrazole-5-carboxamide