1 T6Z [(1-methyl-2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid 1.000 2 KED [(2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid 0.941 3 A1A4D [(7-cyclopropyl-1-methyl-2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid 0.850 4 7SX [(5,7-dimethyl-2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid 0.842 5 L8J [(5,7-dibromo-2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid 0.842 6 A1A22 [(7-cyclopropyl-6-fluoro-1-methyl-2-oxo-1,2-dihydroquinolin-4-yl)methyl]phosphonic acid 0.810 7 A1A25 {[1-methyl-2-oxo-7-(pyrrolidin-1-yl)-1,2-dihydroquinolin-4-yl]methyl}phosphonic acid 0.773 8 ZXZ 1,4-dimethylquinolin-2(1h)-one 0.765 9 FUJ [(7-methoxy-2-oxo-2h-1-benzopyran-4-yl)methyl]phosphonic acid 0.750 10 GTV [(5,7-dimethyl-2-oxo-2h-1-benzopyran-4-yl)methyl]phosphonic acid 0.750 11 P9T [(5,7-difluoro-2-oxo-2h-1-benzopyran-4-yl)methyl]phosphonic acid 0.750 12 TWB [(6,7-dimethyl-2-oxo-2h-1-benzopyran-4-yl)methyl]phosphonic acid 0.750 13 YKG [(5-bromo-7-methyl-2-oxo-2h-1-benzopyran-4-yl)methyl]phosphonic acid 0.750 14 A1A20 {[7-bromo-1-(cyclopentylmethyl)-2-oxo-1,2-dihydroquinolin-4-yl]methyl}phosphonic acid 0.739 15 A1A3B {[6-fluoro-1-methyl-2-oxo-7-(pyrrolidin-1-yl)-1,2-dihydroquinolin-4-yl]methyl}phosphonic acid 0.739 16 I59 Hydroxy(1-naphthyl)methylphosphonic acid 0.737 17 VKE [(6-oxo-2h,6h-[1,3]dioxolo[4,5-G][1]benzopyran-8-yl)methyl]phosphonic acid 0.714 18 XJE [(5-methoxy-7-methyl-2-oxo-2h-1-benzopyran-4-yl)methyl]phosphonic acid 0.714 19 A1A14 {[7-bromo-1-(cyclopentylmethyl)-3-methyl-2-oxo-1,2-dihydroquinolin-4-yl]methyl}phosphonic acid 0.708 20 A1A18 {[6-fluoro-1-methyl-7-(morpholin-4-yl)-2-oxo-1,2-dihydroquinolin-4-yl]methyl}phosphonic acid 0.708 21 12Q 1-methylquinolin-2(1h)-one 0.706 22 AJ2 4-methylquinolin-2-ol 0.706