(2-Carboxyethyl)trimethylammonium iodide ester with choline iodide 1-Propanaminium, N,N,N-trimethyl-3-oxo-3-(2-(trimethylammonio)ethoxy)-, diiodide 82278-60-2 AMMONIUM, (2-CARBOXYETHYL)TRIMETHYL-, IODIDE, ESTER with CHOLINE IODIDE