1EAS:
reference: Nonpeptidic inhibitors of human leukocyte elastase. 3. Design, synthesis, X-ray crystallographic analysis, and structure-activity relationships for a series of orally active 3-amino-6-phenylpyridin-2-one trifluoromethyl ketones., Bernstein PR, Andisik D, Bradley PK, Bryant CB, Ceccarelli C, Damewood JR Jr, Earley R, Edwards PD, Feeney S, Gomes BC, et al., J Med Chem 1994 Sep 30;37(20):3313-26. PMID: 7932559

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