2-diethylaminoacetic acid 2-diethylaminoethanoic acid 1606-01-5 BAS 00142403 Diethylamino-acetic acid N,N-Diethylglycine (Diethylamino)acetic acid EINECS 216-520-8 Glycine N,N-diethyl- SBB010260 2-diethylazaniumylacetate 2-diethylammonioacetate 2-diethylazaniumylethanoate ZINC01596841