09-13-2021-0233 - Funny with the right lens to amcan radioactive technetium and oxidronate medronate bisphosphonates 080311

 Other bisphosphonates, including medronate (R¹=H, R²=H) and oxidronate (R¹=H, R²=OH), are mixed with radioactive technetiumand injected, as a way to image bone and detect bone disease.

https://en.wikipedia.org/wiki/Bisphosphonate