3-(2,2-Dimethyl-1-methoxycarbonylhydrazino)propionamide 96804-11-4 Hydrazinecarboxylic acid, 1-(3-amino-3-oxopropyl)-2,2-dimethyl-, methyl ester Methyl 1-(3-amino-3-oxopropyl)-2,2-dimethylhydrazinecarboxylate