3(2H)Pyrazinone, 2-(2-dimethylaminoethyl)-4-methyl-6-phenyl-, methiodide 30321-83-6 AG 261 AMMONIUM, (2-(4-METHYL-3-OXO-6-PHENYL-2-(2H)PYRIDAZINYL)ETHYL)TRIMETHYL-, IODIDE Ammonium, trimethyl(2-(4-methyl-3-oxo-6-phenyl-2-(2H)pyridazinyl)ethyl)-, iodide