1 2JH 3-cyclobutyl-L-alanine 1.000 2 A1JWF 2-tellurophenealanine 0.750 3 A1L7L (2~{S})-3-cyclobutyl-2-(methylamino)propanoic acid 0.750 4 Q78 L-3-thienylalanine 0.750 5 TIH Beta(2-thienyl)alanine 0.750 6 XYC (2~{S})-2-azanyl-3-cyclopentyl-propanoic acid 0.750 7 LIS (2s,4s)-2-amino-4,5-epoxipentanoic acid 0.727