Viehe, H., & George, P. (1975). Functionalized Amide Chlorides: 5-Dimethylamino-1H-Tetrazoles from N,N-Dimethyl-Azidochloromethylenimonium Chloride and Primary amines. CHIMIA, 29(5), 209. https://doi.org/10.2533/chimia.1975.209