N-(TRIARYL-METHYL)-AMIDINES, PROCESS FOR THE PREPARATION THEREOF AND COMPOSITIONS CONTAINING SAME

摘要

A compound selected from the group which consists of the amidine of formula and the phytotoxically acceptable addition salts, hemihydrates and hydrates thereof, R1, R2 and R3 being phenyl or a phenyl group substituted with chlorine, bromine, iodine or fluorine, alkoxy having 1-4 carbon atoms or alkyl having 1 to 4 carbon atoms, R4 being methyl.