Registre de correu electrònic: Crystal structure of (picolinato-N,O)[tris(2-benzimdazolyl-N,N′,N″- methyl)amine]copper(II) perchlorate – methanol – water (1:1:2), [Cu(C24H21N7)(C6H4NO2)]ClO4 ·CH3OH·2H2O