| abstract |
A substituted bicycloheptanedione derivative represented by general formula [I], its salts, and a herbicide containing the same as the active ingredient, wherein R represents C1-C4 alkyl; R1 represents hydrogen, C¿1?-C10 alkyl, C2-C4 alkenyl, C2-C4 alkynyl, aralkyl, C2-C4 haloalkynyl, C1-C4 alkoxy-C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 haloalkenyl, etc.; and R?2¿ represents optionally substituted phenyl or optionally substituted pyridyl. |