Methyl Hydrazinocarboxylate (Methyl Carbazate)Methyl hydrazine carboxylate (Methyl carbamate) was used in the preparation of methyl 3-(4-methyl-benzylidene)carbamate. It was also used in the synthesis of imidazo[1,5-d][1,2,4]triazines. https://www.lifechempharma.com/product/methyl-hydrazinocarboxylate-methyl/