N1-(2-Methoxyethyl)-4-nitro-1,3-benzenediamine acts as a reagent in the discovery of 3-(5'-substituted)-benzimidazole-5-(1-(3,5-dichloropyridin-4-yl)ethoxy)-1H-indazoles as potent fibroblast growth factor receptor inhibitors. Molecular Formula: C9H13N3O3 Molecular Weight: 211.22