((5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazin-2-yl)methyl)triphenylphosphonium chloride 、
5-(cyclopropyl-methyl-amino)-2-methyl-2H-[1,2,4]triazole-3-carbaldehyde 以Chromatography afforded Cyclopropyl-{5-[2-(5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazin-2-yl)-vinyl]-1-methyl-1H-[1,2,4]triazol-3-yl}-methyl-amine (30 mg, 33.3%) as light yellow waxy solid的产率得到cyclopropyl-{5-[2-(5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazin-2-yl)-vinyl]-1-methyl-1H-[1,2,4]triazol-3-yl}-methyl-amine