1 XZZ 6-chloro-7-hydroxy-4-methyl-2h-chromen-2-one 1.000 2 4MU 7-hydroxy-4-methyl-2h-chromen-2-one 0.929 3 A1L2C 4-(hydroxymethyl)-7-oxidanyl-chromen-2-one 0.867 4 07L 7-hydroxy-2h-chromen-2-one 0.857 5 ZZ1 4-methyl-2h-chromen-2-one 0.857 6 A1L2Z 7-hydroxy-4-methoxymethylcoumarin 0.812 7 G12 3,8-dibromo-7-hydroxy-4-methyl-2h-chromen-2-one 0.812 8 HFC 6,7-bis(oxidanyl)chromen-2-one 0.800 9 MCM 7-amino-4-methyl-chromen-2-one 0.800 10 MVN 6-chloro-4-methyl-1h-quinolin-2-one 0.800 11 COU Coumarin 0.786 12 HOM 7-hydroxy-4-methyl-3-(2-hydroxy-ethyl)coumarin 0.765 13 3QV 7-hydroxy-2-oxo-2h-chromene-3-carbonitrile 0.750 14 T83 7-hydroxy-6-methoxy-2h-1-benzopyran-2-one 0.750 15 0TU 6-chloroquinolin-2(1h)-one 0.733 16 3AV 6-methyl-2h-chromen-2-one 0.733 17 4HC 4-hydroxy-2h-chromen-2-one 0.733 18 4JQ 6-amino-2h-chromen-2-one 0.733 19 8CM 8-hydroxycoumarin 0.733 20 8HJ 7-oxidanyl-3,4-dihydro-1~{H}-quinolin-2-one 0.733 21 AJ2 4-methylquinolin-2-ol 0.733 22 SE2 3-hydroxy-2h-chromen-2-one 0.733 23 Y6M (2r)-1,2,3,4-tetrahydroquinoline-2,7-diol 0.733 24 6Y0 4-butyl-7,8-bis(oxidanyl)chromen-2-one 0.722 25 A1L2D Ethyl 7-oxidanyl-2-oxidanylidene-chromene-4-carboxylate 0.722 26 AWS 8-[(dimethylamino)methyl]-4-methyl-7-oxidanyl-chromen-2-one 0.722 27 F95 (7,8-dihydroxy-2-oxo-2h-chromen-4-yl)acetic acid 0.722