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Structures of chiral N-acetylalaninate prodrugs. A) R-NQM and B) S-NQM are chiral esters designed after α-naphthyl N-acetylalaninate (a known OPH substrate) with the addition of a NO-donating, QM generating moiety. C) R-NPAA and D) S-NPAA are structurally identical to R-NQM and S-NQM with the exception of a phenyl replacing the naphthyl core of the prodrug.
