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. Author manuscript; available in PMC: 2014 May 28.
Published in final edited form as: PM R. 2013 Dec 22;6(5):427–436. doi: 10.1016/j.pmrj.2013.10.009

Figure 1.

Figure 1

Chemical structure of pyrophosphate (A) and bisphosphonates (B). P = phosphorus, O = oxygen, H = hydrogen, C = carbon, R = side chain.