66941-31-9 AMMONIUM, (p-(1,4-DIHYDRO-3,5-DIMETHOXYCARBONYL-2,6-DIMETHYL-4-PYRIDYL)PHENYL)BU Ammonium, (p-(1,4-dihydro-3,5-dimethoxycarbonyl-2,6-dimethyl-4-pyridyl)phenyl)butyldimethyl-, iodide