<unk>  (conjugate base, medronate), also known as methylene diphosphonate, is the smallest bisphosphonate. Its complex with radioactive technetium, 99mTc<unk> , is used in nuclear medicine to detect bone abnormalities, including metastases.
Medronic acid
Risedronic acid
Alendronic acid
Pamidronic acid
Zoledronic acid
Etidronic acid
Ibandronic acid
Denosumab