1 NSL 4-hydroxyazobenzene 1.000 2 55R 2-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzoic acid 0.833 3 AZB 4-{(E)-[4-(propan-2-yl)phenyl]diazenyl}phenol 0.833 4 HAB 2-((4'-hydroxyphenyl)-azo)benzoic acid 0.833 5 L85 4-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonic acid 0.789 6 MHB 2-((3'-methyl-4'-hydroxyphenyl)azo)benzoic acid 0.789 7 DMB 2-((3',5'-dimethyl-4'-hydroxyphenyl)azo)benzoic acid 0.750 8 4WA 4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonamide 0.700