Synonyms:
[[2,2'-bipyridine]-4,4'-diylbis(methylene)]bisphosphonic acid tetraethyl ester ; 4,4'-bis(diethylmethylphosphote)-2,2'-bipyridine ; tetraethyl ([2,2'-bipyridine]-4,4'-diylbis(methylene))bis(phosphonate) ; 4,4'-bis(diethylmethylphosphonate)-2, 2'-bipyridine ; phosphonicacid, [[2,2'-bipyridine]-4,4'-diylbis(methylene)]bis-, tetraethyl ester (9ci)