4-Amino-2-chloro-3-nitropyridine (CAS NO.2789-25-5) is also called as 2-Chloro-3-nitropyridin-4-amine ; 4-Amino-3-nitro-2-chloropyridine ; 2-Chloro-3-nitro-4-aminopyridine ; 2-Chloro-3-nitropyridin-4-amine ,98% .