申请人:E. I. Du Pont de Nemours and Company
公开号:US04191554A1
公开(公告)日:1980-03-04
Herbicidal compounds of the formula: ##STR1## where R.sub.1 is hydrogen, methyl or ethyl; R.sub.2 is alkyl of 1-4 carbon atoms, methoxy or cyanomethyl; and p1 R.sub.1 and R.sub.2 together can be --(CH.sub.2).sub.4 --, provided that when R.sub.2 is alkyl of 3 or 4 carbon atoms, methoxy or cyanomethyl, R.sub.1 cannot be ethyl.
式子中的除草化合物:##STR1##
其中,R.sub.1是氢、甲基或乙基;R.sub.2是1-4个碳原子的烷基、甲氧基或氰甲基;p1 R.sub.1和R.sub.2在一起可以是--(CH.sub.2).sub.4 --,但当R.sub.2是3或4个碳原子的烷基、甲氧基或氰甲基时,R.sub.1不能是乙基。