2Z4Z:
reference: Inhibition of geranylgeranyl diphosphate synthase by bisphosphonates: a crystallographic and computational investigation., K-M Chen C, Hudock MP, Zhang Y, Guo RT, Cao R, No JH, Liang PH, Ko TP, Chang TH, Chang SC, Song Y, Axelson J, Kumar A, Wang AH, Oldfield E, J Med Chem. 2008 Sep 25;51(18):5594-607. PMID: 18800762

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