Compounds, including compounds, a method of controlling poor vegetation, including an effective herbicide that allows at least one nitrogen to play a role in plants, seeds and / or habitats. 1. Claim 1: calculation formula (1) use of compound, wherein X is O, NR 8311os, so, so, so 83222；Y is C₁₋₆-alkyl, C₃₋₆-alkenyl, C₃₋₆-alkynyl, where the radicals are unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different substituents selected from the group consisting of halogen , C₁₋₆-alkyl, C₁₋₆-haloalkyl, C₁₋₆-alkoxy, C₁₋₆-haloalkoxy, C (= O) O (C₁₋₆-alkyl) and phenyl, which is unsubstituted or substituted by halogen, C₁₋₆-alkyl, C₁₋₆-haloalkyl； R¹ is selected from the group consisting of H and C₁₋₆-alkyl； R² is selected from the group consisting of H and C₁₋₆-alkyl； R³ is selected from the group consisting of H, halogen, OH, CN, amino, NO₂,C₁₋₆-alkyl, C₃₋₆-alkenyl, C₃₋₆-alkynyl, C₁₋₆-alkoxy, C₂₋₆-alkenyloxy, C₂₋₆-alkynyloxy, (C₁₋₆-alkoxy) -C₁₋₆-alkyl, (C₁₋₆-alkoxy) -C₁₋₆-alkoxy, (C₁₋₆-alkoxy) -C₃₋₆-alkenyl, (C₁₋₆-alkoxy) -C₃₋₆-alkynyl, where the aliphatic parts of the radicals aforementioned are unsubstituted, partially or completely halogenated； R⁴ is selected from the group consisting of H, halogen, OH, CN, amino, -NO₂,C₁₋₆-alkyl, C₃₋₆-alkenyl, C₃₋₆-alkynyl, C₁₋₆-alkoxy, C₂₋₆-alkenyloxy, C₂₋₆-alkynyloxy, (C₁₋₆-alkoxy) -C₁₋₆-alkyl, (C₁₋₆-alkoxy) -C₁₋₆-alkoxy, (C₁₋₆-alkoxy) -C₃₋₆-alkenyl, (C₁₋₆-alkoxy) -C₃₋₆-alkynyl, where the aliphatic parts of the radicals aforementioned are unsubstituted, partially or completely halogenated； R⁵ is selected from, group consisting of H, halogen, OH, CN, amino, NO₂,C₁₋₆-alkyl, C₃₋₆-alkenyl, C₃₋₆-alkynyl, C₁₋₆-alkoxy, C₂₋₆-alkenyloxy, C₂₋₆-alkynyloxy, (C₁₋₆-alkoxy) -C₁₋₆ alkyl, ( C₁₋₆-alkoxy) -C₁₋₆-alkoxy, (C₁₋₆-alkoxy) -C₃₋₆-alkenyl, (C₁₋₆-alkoxy) -C₃₋₆-alkynyl, where the aliphatic parts of the radicals before mentioned are unsubstituted, partially or completely halogenated； R⁶ is selected from the group consisting of H, C₁₋
