1-(2-chloroimidazo[1,2-a]pyrazin-3-yl)ethanone

ethyl 7-methyl-5H-pyrrolo[2,3-b]pyrazine-6-carboxylate

ethyl imidazo [1,2-a]pyrazine-2-acetate

N-2-吡嗪苯甲酰胺

N-苯基苯甲酰胺