104664-44-0 2,6-Bis(carbonylmethyl)-1-methylpyridinium iodide bis(dimethyl mercaptal) Pyridinium, 2,6-(2,2-bis(methylthio)ethenyl)-1-methyl-, iodide Pyridinium, 2,6-bis(carbonylmethyl)-1-methyl-, iodide, bis(dimethyl mercaptal)