1. Claim 1: a compound and its salt selected from formula (1), wherein: Q1 is a phenyl ring or sodium silver ring system； each ring or ring system can choose to cancel this alternative, and there can be up to five independent R1 alternatives；Or totally unsaturated 5-6-member heterocyclic ring or 8-10 member heterocyclic ring or annular ring system, each ring or annular system contains ring parts selected from carbon atoms and 1-4 selected heteroatoms, independent of up to 2 O atoms, up to 2 S atoms and up to 4 atoms. Up to three carbon chelating members were selected from n, independent of C (= O) and C (= s),The waste member of sulfur atom is selected from s (= O) 751225 (= NR2) independently；Each ring or ring system can selectively be replaced by up to five rings or ring systems of carbon atom ring members independent of R1 selection, and selected as nitrogen atom ring part from R3； Q2 is phenyl ring or northwest ring system； each ring or ring system has been replaced, a. Optional, with a maximum of 5 independently selected r830808 replacements；Or totally unsaturated 5-6-member heterocyclic ring or 8-10 member heterocyclic ring or annular ring system, each ring or annular system contains ring parts selected from carbon atoms and 1-4 selected heteroatoms, independent of up to 2 O atoms, up to 2 S atoms and up to 4 atoms. Up to three carbon chelating members were selected from n, independent of C (= O) and C (= s),The selection of sulfur atom scrap is independent of S (= O) 751222 (= NR2) 7515；a. For each ring or ring system, no more than 5 carbon atom waste parts selected independently from r830808 and nitrogen atom waste parts selected from r83099 can be replaced； R is tar or phenyl c83318328；each R¹ and R⁴ is independently halogen, cyano, nitro, C₁₋₈ alkyl,Halogenated tar c83218c8331-8328；C₁₋₈ nitroalkyl,C₂₋₈ alkenyl,C₂₋₈ haloalkenyl,Cal haloalkoxyalkoxy,C₂₋₈ nitroalkenyl,1. C 83228331 asphalt；C₂₋₈ haloalkynyl,C₄₋₁₀ cycloalkylalkyl,a. Halogenated ring 12 carat；C₅
