(Dimethylamino)acetic acid hydrochloride 1118-68-9 2491-06-7 AI3-62132 CCRIS 3352 Dimethylglycine hydrochloride EINECS 219-648-2 Glycine, N,N-dimethyl-, hydrochloride N,N-Dimethylglycine hydrochloride N,N-Dimethylglycinium chloride N-Methylsarcosine hydrochloride