1 KU1 N-(4-oxo-1,4-dihydrocinnoline-3-carbonyl)glycine 1.000 2 4HG N-[(4-hydroxy-8-iodoisoquinolin-3-yl)carbonyl]glycine 0.850 3 UN9 N-[(1-chloro-4-hydroxyisoquinolin-3-yl)carbonyl]glycine 0.850 4 FNT (2s)-2-{[(1-chloro-4-hydroxyisoquinolin-3-yl)carbonyl]amino}propanoic acid 0.810 5 QNM 2-[(1-methyl-2-oxidanyl-4-oxidanylidene-quinolin-3-yl)carbonylamino]ethanoic acid 0.810