As a drug and a drug to understand it. Claim 1: a formula compound (1) or a formula salt, wherein a is a single cycle ring system composed of 5 to 7 members, and its aromaticity, non aromaticity, saturation or unsaturation may include 1 to 4 heteroatoms selected from nitrogen, oxygen and sulfur； R 1 is halogen； cyanogen； nitrogen； Keywords hydroxyl group； amino group； - C (o) H； - C (o) nh482222；-X¹-R⁵；That's it.Keywords X1 from link； carbide； oxygen； sulfur； - S (o) -；-S (O) -1. Amino can be replaced by c833218331cf832424244j asphalt；-NH-C (O) --C (O) -NH--C (O) O--O-C (O) --NH-S (O) --S (O) -NH-y -NHC (O) NH-R⁵ is C₁₋₆ alkyl；a. Halogenated tar c83218d31832626；C₁₋₆ cyanoalkyl；Cbox carboxyalkyl；e. Hydroxyl oxidation c83217c831832626；C₁₋₄-C₁₋₆-alkoxy；C₁₋₄-alkoxy-C₁₋₄-alkoxy-C₁₋₆ alkyl；C₁₋₄carbonyl-C₁₋₆ alkyl；alcoxi C carbonil-alquilo C1. C833218d833124； - carbon tar c83321218d833262；C₁₋₆ aminoalkyl；alquil C amino-alquilo Cdi (alquil C) amino-alquilo Caminocarbonyl-C₁₋₆ alkyl；C₁₋₄-aminocarbonyl-C₁₋₆ alkyl；di (C₁₋₄ alkyl) aminocarbonyl-C₁₋₆ alkyl；C₁₋₄carbonylamino-C₁₋₆ alkyl；alquil C aminosulfonil-alquilo Cdi (alquil C) aminosulfonil-alquilo CC₂₋₆ alkenyl；C₂₋₆ haloalkenyl；1. C83228331 asphalt；C₂₋₆ haloalkynyl；X2 is link or tenant c832131；a. The carbon atom of tar c83218331-832323 can be replaced by a group selected by carbon, oxygen, sulfur and S (o)；-S (O) -1. Amino can be replaced by c833218331cf832424244j asphalt；-NH-C (O) --C (O) -NH--C (O) -O--O-C (O) --NH-S (O) --S (O) -NH-y -NHC (O) NH-B² is a three to seven membered monocyclic ring system that can be aromatic, non-aromatic, saturated or unsaturated and can contain 1 to 4 heteroatoms selected from nitrogen, oxygen and sulfur, where the ring system can in turn be replaced once or more than once by R⁶；each R⁶ independently is halogen, hydroxyl, cyano, C₁₋₄ alkyl,C₁₋₄ haloalkyl,C₁₋₄ alkoxy,or C₁₋₄ haloalkoxy；O in the same ring atom, two r8310s are equal to oxo； m is equal to 0, 1, 2, 3 o r 4； each R 2 is independen
