Synonyms: MEDRONIC ACID;Methylenediphosphonic acid;Methylene diphosphonate;phosphonomethylphosphonic acid;Acide medronique [INN-French];Acido medronico [INN-Spanish];Acidum medronicum [INN-Latin];EINECS 217-851-0;1984-15-2;methanediphosphonic acid;MDN;Acido medronico;Acide medronique;Acidum medronicum;MDP-BRACCO;Medronic acid (USAN);AC1Q6RRF;methylene Phosphonic Acid;63347-66-0;Methylene diphosphonic acid;UNII-73OS0QIN3O;M9508_ALDRICH;Methylene bis-phosphonic acid;Methylenebis(phosphonic acid);MDP, Methanediphosphonic acid;MLS000048571;M9508_SIGMA;Phosphonic acid, methylenebis-;AC1L27B2;CHEMBL180570;64255_FLUKA;64255_SIGMA;MBKDYNNUVRNNRF-UHFFFAOYSA-;Medronic acid [USAN:BAN:INN];Methylene-1,1-bisphosphonic acid;CHEBI:402314;AKOS001031749;25681-89-4 (di-hydrochloride salt);NCGC00037856-02;6145-29-5 (tetra-hydrochloride salt);SMR000060476;LS-106679;TR-009216;M0843;ST51006763;D04887;I14-2641;I14-53891;InChI=1/CH6O6P2/c2-8(3,4)1-9(5,6)7/h1H2,(H2,2,3,4)(H2,5,6,7)