“…Among 2,2'-bipyridine and 1,10-phenanthroline derivatives, there are natural antibiotics, for example, caerulomycin А (4-methoxy-2,2'-bipyridyl-6-aldoxime) [63]. Antibacterial and antiviral effects of 1,10-phenanthroline, substituted 1,10-phenanthrolines, quaternary halides derived from N-alkyl-1,10-phenanthrolines, metal complexes of 1,10-phenanthrolines and its derivatives, as well as an antitumor effect of metal complexes of 1,10-phenanthrolines and their ability to kill dermatophytes have been reported [64][65][66][67][68][69][70][71].…”