(1-hydroxy-2-imidazol-1-yl-1-phosphonoethyl)phosphonic acid;hydrate; (1-Hydroxy-2-imidazol-1-ylethylidene)diphosphonic Acid Monohydrate; [1-Hydroxy-2-(1H-imidazol-1-yl)ethane-1,1-diyl]bis(Phosphonic Acid) Monohydrate;P,P′-[1-Hydroxy-2-(1H-imidazol-1-yl)ethylidene]bisphosphonic Acid monohydrate; Zoledronate monohydrate, Zoledronic Acid Monohydrate; (1-Hydroxy-2-(1H-imidazol-1-yl)ethane-1,1-diyl)diphosphonic Acid Hydrate; (1-Hydroxy-2-(1H-imidazol-1-yl)ethane-1,1-diyl)bis(phosphonic acid) Hydrate; Phosphonic acid, [1-hydroxy-2-(1H-imidazol-1-yl)ethylidene]bis-, monohydrate; (1-Hydroxy-2-imidazol-1-ylethylidene)diphosphonic acid, monohydrate (USP)