| 摘要 |
Novel compounds are provided which exhibit activity as herbicides for combating weeds. The novel compounds have the formula: <CHEM> wherein X is hydrogen, halo, trihalomethyl, alkyl, cyano or nitro; X<1> is hydrogen, halo or trihalomethyl; X<2> is trihalomethyl or halo; Y is O, NH, NR<1> or S; R<1> and R<2> are the same or different and are selected from hydrogen, (C1-C4) alkyl, phenyl and phenyl (C1-C4) alkyl; n is an integer of from 1 to 5; and Z is carboxy, amino, monoalkylamino, or dialkylamino. Also provided are agronomically acceptable salts, esters and amides of a compound of Formula I when Z is carboxy. |
