zilico replaced racemico or esters of acetic acid substituted optically active with the optically active alcohol and benprieta's or process for their production and composconditions or containing them

摘要

Compounds of general formula I, IMAGE wherein the acidic residue is in either the D or L form, the alcoholic residue being in either racemic or optically- active form, which compounds possess an insecticidal activity clearly greater than the corresponding compounds of general formula I wherein the acidic residue is in the DL form.