2-Amino-4-chloro-3-nitropyridine , with CAS number of 6980-08-1, can be called Pyridine,2-amino-4-chloro-3-nitro- (7CI,8CI) ; 4-Chloro-3-nitropyridin-2-amine ; 2-pyridinamine, 4-chloro-3-nitro- . It is a bright yellow needle.