A herbicide which comprises a compound as an active ingredient having the formula ##STR1## wherein X represents --H or --Cl; Y represents halogen atom or cyano group; Z.sub.1 represents --H or methyl group; Z.sub.2 represents --H, methyl or ethyl group; Z.sub.3 represents cyano group or ##STR2## group; R represents hydroxy group, --O-- cation group, C.sub.1 -C.sub.4 alkylthio group, C.sub.2 -C.sub.4 alkenylthio group, C.sub.2 -C.sub.4 alkynylthio group, C.sub.1 -C.sub.4 alkoxy group, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkoxy group, C.sub.2 -C.sub.4 alkenyloxy group, C.sub.2 -C.sub.4 alkynyloxy group, amino group, C.sub.1 -C.sub.4 alkylamino group, di-C.sub.1 -C.sub.4 alkylamino group or anilino group which can be substituted with halogen atom or C.sub.1 -C.sub.4 alkyl group.
该
除草剂包含一种化合物作为活性成分,其
化学式为##STR1## 其中X代表--H或--Cl; Y代表卤素原子或
氰基; Z.sub.1代表--H或甲基基团; Z.sub.2代表--H、甲基或乙基基团; Z.sub.3代表
氰基或##STR2##基团; R代表羟基、--O--阳离子基团、C.sub.1-C.sub.4烷基
硫基团、C.sub.2-C.sub.4烯基
硫基团、C.sub.2-C.sub.4炔基
硫基团、C.sub.1-C.sub.4烷氧基团、C.sub.1-C.sub.4烷氧-C.sub.1-C.sub.4烷氧基团、C.sub.2-C.sub.4烯氧基团、C.sub.2-C.sub.4炔氧基团、
氨基、C.sub.1-C.sub.4烷基
氨基团、双C.sub.1-C.sub.4烷基
氨基团或
苯胺基,其中
苯胺基可以被卤素原子或C.sub.1-C.sub.4烷基取代。