Herbicidally active phenoxyalkanecarboxylic acid derivatives

Abstract From the Canadian patent

A compound of the formula:, (I), wherein Q1 is CH or N; R is H or C1-C5 alkyl; X is H, halogen, CF3 , or NO2; Y is H or halogen; Z is -O- or -NH-; A is, , , , or , wherein Q2 and Q3 are each CH or N; R1 and R2, are each H C1-C5 alkyl, C1-C5 alkoxy, or, C2-C6 alkoxycarbonyl; R3 R4, and R5 are each, H or C1-C5 alkyl; R6 is H halogen, or C1-C5, alkyl; R7, R8, R9, and R10 are each H or C1-C5 alkyl; R11 is H, C1-C5 alkyl, C1-C5 alkoxy C2-C6 alkenyl, C6-C10 aryl, C7-C15 aryloxyalkyl or C7-C15 aralkyl; R12 and R13 are each H or C1-C5 alkyl; R14 is C1-C5 alkyl, C2-C6 alkenyl, C5-C10 aryl, or C7-C15 aralkyl; or R13 and R14 taken together form C3-C4 alkylene V1 and V2 are each H, halogen, NO2 , CN or …