... Chemistry.-The irreversible inhibitors in Table I, except for 4, can be generalized by structures 34-36 ... (12) E. E. Janson, MS Thesis, University of California at Santa Barbara, (13) E. J. Modest. J . Ow. Chem., 91, 1 (1956). (14) (a) E. Katchalski and D. Ben-Ishai, ibid.. ...