2A'A inverted exclamation markA'A-(2-chloro-4-nitrophenyl)-2,2-dimethylpropionohydrazide, pivalic acid 2-(2-chloro-4-nitrophenyl)hydrazide, 2'-(2-Chloro-4-nitrophenyl)-2,2-dimethylpropionohydrazide, EINECS 276-839-3, Propanoic acid,2,2-dimethyl-,2-(2-chloro-4-nitrophenyl)hydrazide,