Supply 4-Cyanophenol , Pharmaceutical Grade 4-Cyanophenol, healing drugs ,indusrial ,made in China,40kg/bag Supply 4-Cyanophenol ... , Pharmaceutical Grade 4-Cyanophenol, healing drugs ,indusrial ,made in China,40kg/bag English name 4- ... crystals or crystal powder,Widely used in the synthesis of medicine, spices, pesticide, liquid crystal materials and corrosion inhibitor, etc ...