Synonyms: Phosphonic acid, P,P',P''-(nitrilotris(methylene))tris-, compd. with 2,2'-iminobis(ethanol) and 2,2',2''-nitrilotris(ethanol) (1:?:?);Aminotris(methylphosphonic acid), triethanolamine and diethanolamine mixed salts;(Nitrilotris(methylene))trisphosphonic acid, compound with 2,2'-iminobis(ethanol) 2,2',2''-nitrilotris(ethanol);Phosphonic acid, (nitrilotris(methylene))tris-, compd. with 2,2'-iminobis(ethanol) and 2,2',2''-nitrilotris(ethanol);2-(bis(2-hydroxyethyl)amino)ethanol; (bis(phosphonomethyl)amino)methylphosphonic acid; 2-(2-hydroxyethylamino)ethanol