66941-29-5 AMMONIUM, (p-(1,4-DIHYDRO-3,5-DIETHOXYCARBONYL-2,6-DIMETHYL-4-PYRIDYL)PHENYL)TRI Ammonium, (p-(1,4-dihydro-3,5-diethoxycarbonyl-2,6-dimethyl-4-pyridyl)phenyl)trimethyl-, iodide