Disclosed are pyridinecarboxylic acids and derivatives thereof which are useful as intermediates for the preparation of 1H-pyrido(2,3-c or 4,3-c) (1,2,6)thiadiazin-4(3H)-one-2,2-dioxide compounds and derivatives thereof which are useful as herbicides.
本发明涉及
吡啶羧酸及其衍
生物,其可用作制备1H-
吡啶[2,3-c]或[4,3-c](1,2,6)噻二嗪-4(3H)-酮-2,2-二氧化物化合物及其衍
生物的中间体,该类化合物可用作
除草剂。