发明授权
US4537622A Diurethanes and selective herbicidal agent containing them 失效
二氨基甲酸酯和含有它们的选择性除草剂

Diurethanes and selective herbicidal agent containing them
摘要:
Diurethanes of the general formula ##STR1## are disclosed, in which R.sub.1 is alkyl, alkenyl or haloalkyl, and R.sub.2 is phenyl or cyclohexyl or substituted phenyl or cyclohexyl. These compounds show exceptional selective herbicidal activity in particular in tomato cultures, and are most effective in post-emergence treatment.
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