| abstract |
Compounds of the Formula <CHEM> wherein R<1> is hydrogen, halogen, nitro, or cyano; R<2> is halogen, trifluoromethyl, or cyano; R<3> is hydrogen, nitro, halogen, cyano, or (C1-C4)alkylthio, (C1-C4)-alkylsulfinyl, or (C1-C4)-alkylsulfonyl; R<4> is hydrogen or (C1-C4) straight or branched chain alkyl; R<5> is hydrogen or (C1-C4) straight or branched chain alkyl; R<6> is cyano or carboxy or an agronomically acceptable salt, ester or amide thereof; n is an integer of one to four; and m is an integer of one to four. and compositions containing these compounds exhibit herbicidal activity. |