| 摘要 |
Novel herbicides of the formula <IMAGE> in which R1 represents alkyl, R2 represents hydrogen, alkyl, alkylcarbonyl, alkoxycarbonyl, alkylsulphonyl, alkenyl, alkinyl or optionally substituted aralkyl, and R3 represents optionally substituted aryl. Intermediates of the formula <IMAGE> <IMAGE> in which R6 is hydrogen, chlorine or hydroxyl, are also new.
|
