triethyl [2,2 ': 6', 2 ''-terpyridine] -4,4 ', 4' '-tricarboxylate

22

Trimethyl 2,2':6',2''-Terpyridine-4,4',4''-Tricarboxylate

22

2-fluoro-3-pyridinemethan amine dihydrochloride

22

2-AMinoMethyl-3-fluoropyridine hydrochloride

22

4-Azindole

23

4-Chloro-1H-pyrazolo[3,4-b]pyridine

23

4-Benzofurazancarboxaldehyde

24

2,4,6-Ttrichlorobenzoic acid

24

2,4,6-Ttrichlorobenzoyl chloride

24