(2-((1-Benzyl-4-carboxy-3-methylpyrazol-5-yl)oxy)ethyl)trimethylammonium iodide ethyl ester 19477-45-3 AMMONIUM, (2-((1-BENZYL-4-CARBOXY-3-METHYLPYRAZOL-5-YL)OXY)ETHYL)TRIMETHYL-, IOD Ammonium, (2-((1-benzyl-4-carboxy-3-methylpyrazol-5-yl)oxy)ethyl)trimethyl-, iodide, ethyl ester