CPC C07D 405/04 (2013.01) [A01N 25/32 (2013.01); A01N 43/40 (2013.01)] | 20 Claims |
1. A compound defined by Formula I:
wherein
R2 is halogen, C1-C4 alkyl, C2-C4 alkenyl, C2-C4 haloalkenyl, or C1-C4 alkoxy; and
R3 and R4 are independently hydrogen, C1-C6 alkyl, or formyl;
or an agriculturally acceptable salt, ester, or N-oxide thereof
wherein the compound defined by Formula I has improved herbicidal activity as compared to the following compound:
|