A process for preparing a compound represented by formula (I), wherein R1 represents straight-chain or branched C1-5 alkyl, C1-5 haloalkyl, or C3-6 cycloalkyl, and R2 represents C1-3 alkyl or C1-3 haloalkyl.
制备一种由
化学式(I)表示的化合物的方法,其中R1代表直链或支链C1-5烷基、C1-5卤代烷基或C3-6环烷基,R2代表C1-3烷基或C1-3卤代烷基。