1 NPG N-succinyl phenylglycine 1.000 2 8JI N-succinyl-L-phenylglycine 1.000 3 KAC 4-(benzoylamino)butanoic acid 0.737 4 8PL (2r)-2-(4-fluorophenyl)-2-[[(2s)-2-methyl-3-sulfanyl-propanoyl]amino]ethanoic acid 0.714 5 8PO (2r)-2-(4-hydroxyphenyl)-2-[[(2s)-2-methyl-3-sulfanyl-propanoyl]amino]ethanoic acid 0.714 6 C3W 4-[(4-fluorophenyl)methyl-methyl-amino]-2,4-bis(oxidanylidene)butanoic acid 0.714