SEARCH Articles Figures Tables 1.3.6.8- Tetraazanaphthalenes, hydration 1.4.5.8- Tetraazanaphthalene, basicity covalent hydration 1.4.5.8- Tetraazanaphthalene, basicity hydration equilibrium ratios 1.4.5.8- Tetraazanaphthalene, basicity ultraviolet spectra Covalent hydration—continued of 1,3,6,8-tetraazanaphthalene Covalent hydration—continued of tetraazanaphthalenes Nucleophilic substitution—continued of tetraazanaphthalenes Tetraazanaphthalene Tetraazanaphthalene Tetraazanaphthalenes compounds Tetraazanaphthalenes covalent hydration Tetraazanaphthalenes nucleophilic substitution