pH Dependent Supramolecules Based on Co-crystallization of Pyrazine-2,3,5,6-tetracarboxylic Acid with 4,4'-Bipyridine through Intermolecular Hydrogen Bonds
pH Dependent Supramolecules Based on Co-crystallization of Pyrazine-2,3,5,6-tetracarboxylic Acid with 4,4'-Bipyridine through Intermolecular Hydrogen Bonds