(2-Hydroxyethyl)trimethylammonium 139741-81-4 2-Hydroxy-N,N,N-trimethylethanaminium 3-04-00-00651 (Beilstein Handbook Reference) 62-49-7 67-48-1 AI3-24208 BRN 1736748 Bilineurine CCRIS 5847 CHOLINE Choline cation Choline ion Cholinum EINECS 200-535-1 Ethanaminium, 2-hydroxy-N,N,N-trimethyl-