4-Hydroxy-3-nitrocoumarin

4-羟基-3-硝基香豆素

4-Iodo-2-nitroaniline

4-碘-2-硝基苯胺

4-Iodophenylhydrazine

4-碘苯肼

3,5,6,8-Tetrabromo-1,10-phenanthroline

3,5,6,8-四溴-1,10-菲咯啉

4′-Ethoxy-2′-hydroxyacetophenone

4′-乙氧基-2′-羟基苯乙酮

4-[(Trimethylsilyl)ethynyl]aniline

4[(三甲基硅基)乙炔基]苯胺

4-Nitrophenylboronic acid

4-硝基苯硼酸

4-tert-Butylcalix[6]arene

4-叔丁基杯[6]芳烃

4,4′-Bis(triethoxysilyl)-1,1′-biphenyl

4,4′-双(三乙氧基甲硅烷)-1,1′-联苯

4,4′,4″-Tri-tert-Butyl-2,2′:6′,2″-terpyridine

4,4′,4″-三叔丁基-2,2′:6′,2″-三联吡啶