3-(2,2-Dimethyl-1-acetylhydrazino)-2-methylmethylpropionate 96804-46-5 Methyl 3-(1-acetyl-2,2-dimethylhydrazino)-2-methylpropanoate Propanoic acid, 3-(1-acetyl-2,2-dimethylhydrazino)-2-methyl-, methyl ester