3,4-Dimethoxy-3-cyclobutene-1,2-dione

3,4-二甲氧基-3-环丁烯-1,2-二酮

3,5-Bis(trifluoromethyl)pyridine

3,5-双(三氟甲基)吡啶

4-Hydroxy-6-(trifluoromethyl)pyrimidine

4-羟基-6-(三氟甲基)嘧啶

4-Iodophenylhydrazine

4-碘苯肼

4′-(4-Methylphenyl)-2,2′:6′,2′′-terpyridine

4′-(4-甲基苯基)-2,2′:6′,2′′-三吡啶

4-[(Trimethylsilyl)ethynyl]benzoic acid

(4-羧基苯基乙炔基)三甲基硅烷

4-Pyridylacetonitrile hydrochloride

吡啶-4-乙腈 盐酸盐

4,4′-Dimethoxydiphenylamine

4,5-Difluoro-2-methoxyphenylboronic acid

4,5-二氟-2-甲氧基苯硼酸

5-(4-Bromophenyl)thiophene-2-carboxylic hydrazide

5-(4-溴苯基)噻吩-2-羧酰肼