أرسل هذا في رسالة قصيرة: Refinement of the crystal structure of diaqua-(3,10-C-meso-3,5,7,7, 10,12,14,14-octamethyl-1,4,8,11-tetraazacyclotetradecane)copper(II) diperchlorate, [Cu(C18H40N4)(H2O) 2](ClO4)2, at 173 K

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