1	4WA	4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonamide	1.000
2	L85	4-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonic acid	0.810
3	0S0	4-[(E)-(6-hydroxy-2-oxo-1,2-dihydropyridin-3-yl)diazenyl]benzenesulfonamide	0.773
4	NSL	4-hydroxyazobenzene	0.700