Alendronate sodium129318-43-0100 % similar Alendronate monosodium trihydrate121268-17-592 % similar Alendronic acid66376-36-166 % similar Pamidronate disodium57248-88-159 % similar Disodium pamidronate pentahydrate109552-15-055 % similar Ibandronate sodium138844-81-254 % similar P,P′-(3-Amino-1-hydroxypropylidene)bis[phosphonic acid]40391-99-951 % similar Risedronate sodium115436-72-146 % similar Etidronate disodium7414-83-734 % similar Clodronate sodium22560-50-532 % similar Ibandronate114084-78-531 % similar