发明授权
US4846881A 3,4,6-trisubstituted 1,2,4-triazin-5(4H)-one herbicides 失效
3,4,6-三取代的1,2,4-三嗪-5(4H) - 酮除草剂

3,4,6-trisubstituted 1,2,4-triazin-5(4H)-one herbicides
摘要:
Herbicidal 3,4,6-trisubstituted 1,2,4-triazin-5(4H)-ones of the formula ##STR1## in which R.sup.1 represents hydrogen or methyl,R.sup.2 represents amino, methylamino or methyl andR.sup.3 represents methylthio, ethylthio, methylamino, ethylamino, allylamino, dimethylamino, methylethylamino or diethylamino.Novel intermediates therefor are also shown.
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