| 摘要 |
Compounds of the formula IN WHICH X is nitro, methyl or trifluoromethyl, and n is an integer 1 or 2. The utility as post and pre-emergence herbicides of the compounds of the formula IN WHICH X is hydrogen, halogen, nitro, methyl, and trifluoromethyl, and n is an integer 1 or 2.
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