Phosphonic acid, P,P'-[1,4-piperazinediylbis(methylene)]bis-
sodium 4,4',4'',4'''-(ethene-1,1,2,2-tetrayl)tetrabenzenesulfonate
(4-(1,2,2-tris(4-phosphonophenyl)vinyl)phenyl)phosphonic acid
Phosphonic acid, P,P'-[5'-(4-phosphonophenyl)[1,1':3',1''-terphenyl]-4,4''-diyl]bis-
Tetrasodium meso-tetra(sulfonatophenyl)porphine dodecahydrate
4-(1,2,2-tris(4-(phosphonooxy)phenyl)vinyl)phenyl dihydrogen phosphate
((1,3,5-triazine-2,4,6-triyl)tris(benzene-4,1-diyl))triphosphonic acid