3NLY:
reference: Potent, highly selective, and orally bioavailable gem-difluorinated monocationic inhibitors of neuronal nitric oxide synthase., Xue F, Li H, Delker SL, Fang J, Martasek P, Roman LJ, Poulos TL, Silverman RB, J Am Chem Soc. 2010 Oct 13;132(40):14229-38. PMID: 20843082

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