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Orr, W.L.; Kharasch, N., Derivatives of Sulfenic Acids XXIII. The Effects of para-Substituents in Styrene on the Kinetics and Mechanism of the Reaction with 2,4-Dinitrobenzenesulfenyl Chloride, J. Am. Chem. Soc., 1956, 78, 1201. [all data]