4UPT:
reference: Combination of chiral linkers with thiophenecarboximidamide heads to improve the selectivity of inhibitors of neuronal nitric oxide synthase., Jing Q, Li H, Roman LJ, Martasek P, Poulos TL, Silverman RB, Bioorg Med Chem Lett. 2014 Aug 12. pii: S0960-894X(14)00814-2. doi:, 10.1016/j.bmcl.2014.07.079. PMID: 25149509

This OCA Structure page
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