1. Claim 1: a formula compound (1) marked by R1 selected from the groups of phenyl, pyridine-4-ilo and sulfur fluorine； marked by that R1 can be independently replaced by one or two c83218c24j substitutes；e. Methoxi, fluoro, Ciano, O trifluorometyl； provided that R1 phenyl was replaced by no more than one methoxi substitute； g was selected from c832131 asphalt group；C₁₋₆ alkoxy；C₃₋₇ cycloalkyl；2,2,6,6-tetramethyltetrahydro-2H-pyran-4-yloxy； oxetan-3-yloxy； C₂₋₆-1-en-1-yl； 3,3,3-trifluoropropyloxy； 1,1,1-trifluoroprop-2-yl； (C₁₋₆ alkyl) thiophene-2-yl； phenyl optionally substituted with one to two C₁₋₄ alkyl substituents；(C₁₋₆ alkyl) amino； di (C₁₋₆ alkyl) amino； heterocyclyl wherein said heterocyclyl is attached to the ring of the pyrazine nucleus through a nitrogen atom and said heterocyclyl is optionally spiked to a C₃₋₇ cycloalkyl group；1. Equation ring (2)；C₃₋₇ cycloalkyloxy；e. C83323qul c833318327e metoxi, including c833318327c and c833318327c parts；of the C₃₋₇ cycloalkyl-methoxy are optionally substituted with one to four methyl substituents； R² is C₃₋₅ cycloalkyl,1. Lease land No. c833218331 and 832626；Or cyanide, or a pygmy isomer, the troposphere, or a salt that's medically acceptable.Reivindicación 1: Un compuesto de fórmula (1) caracterizado porque R¹ se selecciona del grupo que consiste en fenilo, piridin-4-ilo, y tiofenilo； caracterizado porque R¹ está opcionalmente sustituido independientemente con uno o dos sustituyentes que son alquilo C₁₋₄, metoxi, fluoro, ciano, o trifluorometilo； siempre y cuando el fenilo de R¹ está sustituido con no más de un sustituyente metoxi； G se selecciona del grupo que consiste en alquilo C₁₋₆； alcoxi C₁₋₆； cicloalquilo C₃₋₇； 2,2,6,6-tetrametiltetrahidro-2H-piran-4-iloxi； oxetan-3-iloxi； alq C₂₋₆-1-en-1-ilo； 3,3,3-trifluoropropiloxi； 1,1,1-trifluoroprop-2-ilo； (alquil C₁₋₆)tiofen-2-ilo； fenilo opcionalmente sustituido con uno a dos sustituyentes alquilo C₁₋₄； (alquil C₁₋₆)amino； di(alquil C₁₋₆)amino； heterociclilo donde d
