. I witit. variety of~~ liarinacoiogicsll~~ active 1, 2, 3-trisnhstitutrtl: mimitic compounds in m- hic, h the 1 xiid 3 srihstituciits are chlorine or methyl have been described.'l'hcse iticlitdc the local anesthetics lidocaine (28). l'1-(L', Ci-dicliloroi, lieiio~ y) ethyldiineth!,-laniiIlc.(14), mid syloclioline (19), aiid the adreiiergic iieuroiie blocliiiig drugs ryloclioliiir (19) arid its giiariidino analog (11). This~) xi) cr dtwribes the completiori of thc seriw of crJni!) ourids to ...