1	3QV	7-hydroxy-2-oxo-2h-chromene-3-carbonitrile	1.000
2	07L	7-hydroxy-2h-chromen-2-one	0.857
3	4MU	7-hydroxy-4-methyl-2h-chromen-2-one	0.800
4	A1ABR	(3r)-4-oxo-3,4-dihydro-2h-1-benzopyran-3-carbonitrile	0.800
5	HFC	6,7-bis(oxidanyl)chromen-2-one	0.800
6	WRJ	2h-1-benzopyran-3-carboxamide	0.800
7	COU	Coumarin	0.786
8	HOM	7-hydroxy-4-methyl-3-(2-hydroxy-ethyl)coumarin	0.765
9	7R8	6-oxidanylnaphthalene-2-carboximidamide	0.750
10	T83	7-hydroxy-6-methoxy-2h-1-benzopyran-2-one	0.750
11	V92	4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carbonitrile	0.750
12	XZZ	6-chloro-7-hydroxy-4-methyl-2h-chromen-2-one	0.750
13	3AV	6-methyl-2h-chromen-2-one	0.733
14	4HC	4-hydroxy-2h-chromen-2-one	0.733
15	4JQ	6-amino-2h-chromen-2-one	0.733
16	8CM	8-hydroxycoumarin	0.733
17	8HJ	7-oxidanyl-3,4-dihydro-1~{H}-quinolin-2-one	0.733
18	BCU	(3r)-3,4-dihydro-2h-chromen-3-ylmethanol	0.733
19	J5I	3-methyl-1,2-dihydroquinolin-2-one	0.733
20	KDV	Quinoline-3-carbonitrile	0.733
21	SE2	3-hydroxy-2h-chromen-2-one	0.733
22	WQY	1-(quinolin-3-yl)methanamine	0.733
23	Y6M	(2r)-1,2,3,4-tetrahydroquinoline-2,7-diol	0.733
24	ZZ1	4-methyl-2h-chromen-2-one	0.733
25	YZ9	7-hydroxy-2-oxo-chromene-3-carboxylic acid ethyl ester	0.722
26	G12	3,8-dibromo-7-hydroxy-4-methyl-2h-chromen-2-one	0.706
27	SH8	6-methyl-2-oxidanylidene-chromene-3-carboxylic acid	0.706