CLXIX.—The nature of the alternating effect in carbon chains. Part V

caffein

题名	CLXIX.—The nature of the alternating effect in carbon chains. Part V. A discussion of aromatic substitution with special reference to the respective roles of polar and non-polar dissociation; and a further study of the relative directive efficiencies of oxygen and nitrogen
链接	http://pubs.rsc.org/en/content/articlelanding/1926/jr/jr9262901310#!divAbstract