1) Polyvinylacetal of 4-[2-(4-formylphenyl)ethenyl]pyridium

聚乙烯醇缩4-[2-4-甲酰苯基]乙烯基吡啶鎓盐
2) Pyridinium, 4-[2-[4-[ethyl(phenylmethyl)amino]phenyl] ethenyl]-1-(2-hydroxyethyl)-, acetate(salt)
4-[2-[4-[乙基(苯基甲基)氨基]苯基]乙烯基]-1-(2-羟乙基)吡啶翁乙酸盐
3) 4'-formyl-4-stilbazole

4'-甲酰基4-苯乙烯基吡啶
4) poly-4-hydroxyl-styrylpyridine

聚-4-羟基苯乙烯基吡啶