2,2′:6′,2′′-???? ETHYL 2,2':6',2''-TERPYRIDINE-4'-CARBOXYLATE 4'-METHYL-2,2':6',2''-TERPYRIDINE 2,6-DIMETHYLPYRIDINE-4-CARBOXALDEHYDE METHYL 2,2':6',2''-TERPYRIDINE-4'-CARBOXYLATE 6,6''-DIMETHYL-[2,2':6',2''-TERPYRIDINE]-4'-CARBOXYLIC ACID ETHYL ESTER 2,2':6',2''-TERPYRIDINE-4'-CARBOXYLIC ACID 2,2':6',2''-TERPYRIDINE-4'-CARBALDEHYDE 4',6,6''-TRIMETHYL-2,2':6',2''-TERPYRIDINE 6,6'-Dimethyl-2,2'-dipyridyl 2,6-DIMETHYLISONICOTINIC ACID 2,2':6',2'':6'',2''':6''',2''''-Quinquepyridine-4''-carboxylic acid ethyl ester