1 PYA 3-(1,10-phenanthrol-2-yl)-L-alanine 1.000 2 EYY 3-(quinolin-2-yl)propanoic acid 0.750 3 A1AQ4 4-phenyl-D-phenylalanine 0.727 4 BIF (R)-2-amino-3-(4-phenylcyclohexyl)propanoic acid 0.727 5 4J2 (2r)-2-amino-3-(naphthalen-2-yl)propanoic acid 0.714 6 96Z (2~{S})-2-azanyl-3-(2,6-dihydroazulen-1-yl)propanoic acid 0.714 7 ALN Naphthalen-2-yl-3-alanine 0.714 8 NA8 (1s)-1-carboxy-2-naphthalen-2-ylethanaminium 0.714 9 NAL Beta-(2-naphthyl)-alanine 0.714 10 A1IHG (S)-2-amino-3-(9-oxo-9h-thioxanthen-2-yl)propanoic acid 0.708 11 T7Q (2~{S})-2-azanyl-3-(9-oxidanylidene-10~{H}-acridin-2-yl)propanoic acid 0.708 12 PHN 1,10-phenanthroline 0.700