Studies on coupling reactions of 1-naphthol. 6. Tautomerism and dissociation of 4-arylazo-1-naphthols in various solvents
Satoshi Kishimoto , Shinya Kitahara , Osamu Manabe , Hachiro Hiyama
Journal of organic chemistry, 1978, vol. 43, Issue 20, 3882–3886
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