Bisphosphonate Structures and Relative Activities
Bisphosphonate | –R1 | –R2 | Relative potency |
---|---|---|---|
Etidronate | –OH | –CH3 | 0.01 |
Clodronate | –CI | –CI | 0.1 |
Tiludronate | –H | ![]() |
0.1 |
Pamidronate | –OH | –(CH2)2–NH2 | 1 |
Alendronate | –OH | –(CH2)3–NH2 | 5 |
Ibandronate | –OH | ![]() |
10 |
Risedronate | –OH | ![]() |
20 |
Zoledronate | –OH | ![]() |
100 |