8-nitro-[1]benzofuro[3,2-b]pyridine

4-硝基重氮苯四氟硼酸盐

3-iodo-1-(p-nitrophenoxy)pyridinium tetrafluoroborate

3-chloro-1-(p-nitrophenoxy)pyridinium tetrafluoroborate

3-chloro-2-(2-hydroxy-5-nitrophenyl)pyridine