Basic-Applied Science Department;
Faculty of Oral and Dental Medicine;
Nahda University;
Beni-Suef;
Egypt;
College of Science for Women;
Baghdad University;
Baghdad;
Iraq;
Chemistry Department;
Faculty of Science;
Cairo University;
Giza;
Egypt;
Bis-1; 2-dihydropyridine-3-carbonitrile; Bis-Nicotinonitrile; 1; 1’-(1; 4-Phenyl-enebis(3-(chlorodiazenyl)-6-methyl-1H-pyrazolo3; 4-bpyri-dine-4; 5-diyl))bis(ethan-1-one); Bis-dihydropyrido2’; 3’:3; 4pyrazolo5; 1-c1; 2; 4triazine-3-carboxylate; Bis-1H-pyrazolo3; 4-bpyridine;