| 1 | (2s,3r)-2-amino-3-hydroxybutanoic acid |
| 2 | (2s)-threonine |
| 3 | L-alpha-amino-beta-hydroxybutyric acid |
| 4 | Threonine |
| 5 | L-threonin |
| 6 | 2-amino-3-hydroxybutyric acid |
| 7 | T |
| 8 | Thr |
| 9 | (2s,3r)-2-ammonio-3-hydroxybutanoate |
| 10 | (2s,3r)-2-azaniumyl-3-hydroxybutanoate |
| 11 | L-(-)-threonine |
| 12 | (2s,3r)-(-)-threonine |
| 13 | L-2-amino-3-hydroxybutyric acid |