SEARCH Articles Figures Tables 1.3.6.8- Tetraazanaphthalenes, hydration Continuous hydration Covalent hydrates Covalent hydration—continued Covalent hydration—continued of tetraazanaphthalenes Covalent hydration—continued of tetraazanaphthalenes Tetraazanaphthalene Tetraazanaphthalenes Tetraazanaphthalenes covalent hydration