| 摘要 |
A trifluoromethylpyridyl(oxy/thio)phenoxypropionic compound corresponding to the formula wherein T is oxygen or sulfur; X is Cl, Br, or CF3; Y is H, Cl, Br, or CF3, provided at least one of X and Y is CF3; Z is M is , Na, K, Mg, or Ca; R is H, C1-8 alkyl, benzyl, chlorobenzyl, or C3-6 alkoxyalkyl; R1 is H, C1-4 alkyl, or C2-3 hydroxyalkyl; R2 is R1 or -OCH3; R3 is H or C1-4 alkyl; R4 is C1-7 alkyl; and R5 is C1-4 alkyl. The compounds are useful as herbicides, particularly for control of grassy weeds. |
