(2-phosphonophenyl)phosphonic acid

Benzol-diphosphonsaeure-(1.2);
o-Phenylendiphosphonsaeure;
1,2-phenylenediphosphonic acid;
Benzene-1,4-diphosphonic acid;
Phenyldiphosphonic acid;
Benzenediphosphonic acid;
benzene-1,2-diphosphonic acid;
Phosphonic acid,phenylenebis;