Yasuhide Yukawa, Yuho Tsuno; Resonance Effect in Hammett Relationship. II. Sigma Constants in Electrophilic Reactions and their Intercorrelation, Bulletin
No takes yet. Share an insight, caveat, or question.
Yukawa et al. (1959) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: