1 SHI (S)-2-amino-3-(3-hydroxy-isoxazol-4-yl)propionic acid 1.000 2 AMQ (S)-alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid 0.923 3 ELL (2s)-2-azanyl-3-[(3s)-2-oxidanylidenepyrrolidin-3-yl]propanal 0.769 4 CE2 3-(5-tert-butyl-3-oxidoisoxazol-4-yl)-L-alaninate 0.750 5 1MH 3-pyridin-3-yl-L-alanine 0.714 6 ECQ (3s)-3-[(2s)-2-amino-3-hydroxybutyl]pyrrolidin-2-one 0.714 7 KCQ (3s)-3-[(2s)-2-amino-3-oxobutyl]pyrrolidin-2-one 0.714 8 R2P (2r)-2-amino-3-(4-hydroxy-1,2,5-thiadiazol-3-yl)propanoic acid 0.714 9 S2P (2s)-2-amino-3-(4-hydroxy-1,2,5-thiadiazol-3-yl)propanoic acid 0.714 10 YOP 3-[(2s)-2-amino-3-hydroxypropyl]pyridin-2(5h)-one 0.714