4-Amino-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol

4-氨基-5-(4-吡啶基)-4H-1,2,4-三唑-3-硫醇

4-Bromo-2-methoxybenzyl alcohol

4-溴-2-甲氧基苯甲醇

4-Bromobenzylphosphonic acid

4-Chlorophenylboronic acid MIDA ester

4-氯苯基硼酸甲基亚氨基二乙酸酯

4-Fluoro-2-(trifluoromethyl)benzoyl chloride

4-氟-2-(三氟甲基)苯甲酰氯

4-Hydroxyphenethyl bromide

4-羟基苯乙基溴

4-Methoxypicolinimidamide hydrochloride

4-Octylbenzenesulfonic acid sodium salt

4-辛基苯磺酸 钠盐

4,4′-Diaminobenzophenone

4,4′-二氨基二苯甲酮

4,7-Dichloro-1,10-phenanthroline

4,7-二氯-1,10-菲咯啉