Answers are grounded in this paper and cite their sources.
Mamoru Ohashi, Isao Morishima, Teijiro Yonezawa; Application of Proton NMR Shift Reagents to the Stereochemical Analysis of Nicotine, Bulletin of the Chemi
No takes yet. Share an insight, caveat, or question.
Ohashi et al. (1971) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: