1.3.5-三(4-磺酸基苯基)苯
1.4-双(乙酰丙酮基)苯
meso-tetrakis(p-sulfophenyl)porphine tetrasodium salt
四(4-磷酸苯基)甲烷
邻二甲苯二膦酸
3,5-Bis(hydroxymethyl)-1,2,4-triazole
(benzene-1,2,4,5-tetrayltetrakis(methylene))tetraphosphonic acid
Phosphonic acid, P,P'-(5-methyl-1,3-phenylene)bis-
P,P′-[[1,1′-Biphenyl]-4,4′-diylbis(methylene)]bis[phosphonic acid]