1,3,5-Trimethyl-4-trimethylammoniopyrazole iodide 1H-Pyrazol-4-aminium, N,N,N,1,3,5-hexamethyl-, iodide 3627-28-9 IEM 249 Pirotens Pyrotens Pyrotense Trimethyl(1,3,5-trimethylpyrazol-4-yl)ammonium iodide