etidronic acid(1-Hydroxyethylene)diphosphonic acid(1-Hydroxyethylidene)bis(phosphonic acid)(1-Hydroxyethylidene)bisphosphonic acid(1-Hydroxyethylidene)diphosphonic acid(Hydroxyethylidene)diphosphonic acid1,1,1-Ethanetriol diphosphonate1-Hydroxy-1,1-diphosphonoethane1-Hydroxyethane-1,1-bisphosphonic acid1-Hydroxyethane-1,1-diphosphonate1-Hydroxyethane-1,1-diphosphonic acid1-Hydroxyethanediphosphonic acid1-Hydroxyethylidene-1,1-bisphosphonate1-Hydroxyethylidene-1,1-diphosphonic acidAcetodiphosphonic acidEHDPEthane-1-hydroxy-1,1-diphosphonateEthane-1-hydroxy-1,1-diphosphonic acidEtidronsaeureHEDPHydroxyethanediphosphonic acidOxyethylidenediphosphonic acidethane-1-hydroxy-1,1-bisphosphonic acidetidronate