tert-butyl 2-phenylimidazo[1,2-a]pyridin-7-ylcarbamate

ethyl (2-phenylimidazo[1,2-a]pyridin-7-yl)carbamate

phenylene-ethylene

2-溴苯乙酮

methyl 2-phenylimidazo[1,2-a]pyridine-7-carboxylate