A compound of the formula:
wherein R1 is a hydrogen atom, a fluorine atom or a methyl group and R2 is a C1-C3 alkyl group, a C1-C5 alkoxy group, a chlorol(C2-C4)alkoxy group, a dichloro(C2-C4)alkoxy group, a cyclo(Cr-C7)alkoxy group, a phenoxy group, a C1-C5 alkylthio group or a di(C1-C5)alkylamino group, which is useful as a herbicide.
一种式中 R1 为氢原子、
氟原子或甲基,R2 为 C1-C3 烷基、C1-C5 烷氧基、
氯醇(C2-C4)烷氧基、二
氯(C2-C4)烷氧基、环(Cr-C7)烷氧基、苯氧基、C1-C5 烷
硫基或二(C1-C5)烷
氨基的化合物,可用作
除草剂。