pH Dependent Supramolecules Based on Co-crystallization of Pyrazine-2,3,5,6-tetracarboxylic Acid wit

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Co-crystallization of pztcH_4 with 4,4?-bipyridine(4,4?-bipy) in pH = 3~4 and 1~2 gave two new binary molecular adducts: [(4,4?-bipy H2)(pztc H_2)](1) and [(4,4?-bipy H_2)(pztcH_3)(Cl)]·4H_2O(2), respectively. Compounds 1 and 2 have been characterize
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