2-[carboxymethyl-[(2-hydroxyphenyl)methyl]amino]acetic acid, (2-Hydroxy-benzylimino)-di-essigsaeure, N-(o-hydroxybenzyl)iminodiacetic acid, [Carboxymethyl-(2-hydroxy-benzyl)-amino]-acetic acid, N-(carboxymethyl)-N-(2-hydroxyphenyl)sarcosine, (2-hydroxy-benzylimino)-di-acetic acid