| 摘要 |
The present invention is directed to a compound of formula (1); <CHEM> wherein R<1> and R<2> are each independently a halogen atom, a C1-6 alkyl, a C1-8 alkylsulfonyl or the like, R<3> is formyl or CH(ZR <6>), (wherein Z is O or S, and R<6> is a C1-6 alkyl or a C1-6 haloalkyl), and R<4> and R<5> are each independently hydrogen, a C 1-6 alkyl, a C2-6 alkenyl, a C3-8 cycloalkyl or the like, and n is an integer of 1, 2, and 3, and a salt thereof, and a herbicide comprising one or more of the said compound. |
