(2S,3S)-2-amino-3-hydroxybutanoic acid (2S,3S)-2-amino-3-hydroxy-butanoic acid (2S,3S)-2-amino-3-hydroxy-butyric acid 210269_ALDRICH ALLO-THREONINE CHEBI:28718 allo-L-threonine EINECS 249-327-2 NSC 206283 (2S,3S)-2-Amino-3-hydroxybutyric acid 05753_FLUKA nchembio856-comp3 C05519 L-Allothreonine BRN 1721645 nchembio816-comp10 (2S,3S)-2-azaniumyl-3-hydroxybutanoate (2S,3S)-2-azaniumyl-3-hydroxy-butanoate (2S,3S)-2-ammonio-3-hydroxybutanoate (2S,3S)-2-ammonio-3-hydroxy-butyrate ZINC01747072