| abstract |
The present invention concerns benzoylurea derivatives represented by formula (I), wherein R and R2 are the same or different, and each represents hydrogen; one or more halogen atoms selected from the group consisting of fluorine, chlorine and bromine; straight or branch chained alkoxy group having 1 to 6 carbon atoms; haloalkyl group or nitro group; R1 represents hydrogen; straight or branch chained alkyl group having 1 to 6 carbon atoms; W, X and Y are the same or different, and each represents hydrogen; one or more halogen atoms selected from the group consisting of fluorine, chlorine and bromine; straight or branch chained alkyl group having 1 to 6 carbon atoms; straight or branch chained haloalkyl group having 1 to 6 carbon atoms; or phenyl group, optionally substituted with halogen, alkyl group having 1 to 6 carbon atoms or haloalkyl group; and Z represents oxygen or sulfur atom, and pharmaceutically acceptable salts thereof. |