Synonyms: Butanedioic acid, 2-hydroxy-, compd. with 2,2',2''-nitrilotris(ethanol) (1:?);Butanedioic acid, hydroxy-, compd. with 2,2',2''-nitrilotris(ethanol);Malic acid, compound with 2,2',2''-nitrilotriethanol;2-hydroxybutanedioic acid - 2,2',2''-nitrilotriethanol (1:1)