P,P′-(3-Amino-1-hydroxypropylidene)bis[phosphonic acid]40391-99-9100 % similar Alendronic acid66376-36-177 % similar Pamidronate disodium57248-88-166 % similar Disodium pamidronate pentahydrate109552-15-060 % similar Alendronate sodium129318-43-051 % similar Alendronate monosodium trihydrate121268-17-548 % similar Ibandronate114084-78-541 % similar Zoledronic acid118072-93-837 % similar Risedronate105462-24-635 % similar (2-Aminoethyl)phosphonic acid2041-14-734 % similar (1-Hydroxyethylidene)-1,1-diphosphonic acid2809-21-434 % similar 3-Aminopropylphosphonic acid13138-33-532 % similar Clodronate10596-23-332 % similar Phosphorylethanolamine1071-23-431 % similar Minodronic acid180064-38-431 % similar Ibandronate sodium138844-81-230 % similar