1 HAB 2-((4'-hydroxyphenyl)-azo)benzoic acid 1.000 2 55R 2-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzoic acid 1.000 3 MHB 2-((3'-methyl-4'-hydroxyphenyl)azo)benzoic acid 0.947 4 DMB 2-((3',5'-dimethyl-4'-hydroxyphenyl)azo)benzoic acid 0.900 5 NSL 4-hydroxyazobenzene 0.833 6 MOB 2-((3',5'-dimethoxy-4'-hydroxyphenyl)azo)benzoic acid 0.818 7 MTB 2-((3'-tertbutyl-4'-hydroxyphenyl)azo)benzoic acid 0.818 8 NAB 2-((4'-hydroxynaphthyl)-azo)benzoic acid 0.818 9 MRE 2-(4-dimethylaminophenyl)diazenylbenzoic acid 0.810 10 AZB 4-{(E)-[4-(propan-2-yl)phenyl]diazenyl}phenol 0.714