cyclen, molecular structures, 1,4,7,10-tetraazacyclododecane, 3d model, structural chemical formula and atoms with color coding

cyclen azacrown ether molecule molecular structure chemical formula model c8h20n4 atom oxygen nitrogen hydrogen microscopic physics evolution genetic scientific microbiology particle pharmaceutical health care lab biotechnology laboratory pharmacy research virus biochemistry chemistry biology science development healthcare information medical medicine education atomic structural substance bacterium technology element structures 10-tetraazacyclododecane atoms color coding coding