Pamidronate disodium57248-88-1100 % similar Disodium pamidronate pentahydrate109552-15-091 % similar P,P′-(3-Amino-1-hydroxypropylidene)bis[phosphonic acid]40391-99-966 % similar Alendronate sodium129318-43-059 % similar Alendronate monosodium trihydrate121268-17-555 % similar Alendronic acid66376-36-153 % similar Etidronate disodium7414-83-747 % similar Clodronate sodium22560-50-545 % similar Disodium clodronate tetrahydrate88416-50-641 % similar Ibandronate sodium138844-81-237 % similar Tetrasodium etidronate3794-83-037 % similar Risedronate sodium115436-72-135 % similar Ibandronate114084-78-531 % similar