| 摘要 |
HERBICIDAL COMPOSITION A herbicidal preparation comprising a compound of formula (I) : (I) wherein R1 is C1-3 alkyl or C2-3 alkenyl; R2 is oxygen or sulphur, R3 is halogen, lower alkyl, lower alkenyl, lower haloalkyl, lower alkoxy, nitro, amino, lower alkylamino, lower dialkylamino, lower alkylthio, lower alkylsulphoxide, lower alkylsulphone, cyano or thiocyano; and n is zero or an integer up to 4; provided that when n is greater than 2 a maximum of two R3 groups are selected from nitro, amino, lower alkylamino and lower dialkylamino, in combination with a compound of formula (II) : (II) wherein R4 is chlorine or bromine; R5 is oxygen or sulphur; R6 is straight or branched C1-18alkyl or phenyl; and Y is sulphur or when R5 is sulphur, Y may be oxygen. |
