ethyl 3-(5-bromo-1-benzofuran-2-yl)prop-2-enoate

5-溴-1-苯并呋喃-2-甲醛

5-bromo-2-[2,2-(dimethoxy)ethoxy]benzaldehyde

5-溴水杨醛

三乙基氧翁四氟硼酸