分类:Amines, Aromatics, Pharmaceuticals, Intermediates & Fine Chemicals CAS:150-13-0 分子式:C7H7NO2 分子量:137.14 物理性质: 应用说明:Widely distributed in nature as a B complex factor. Baker’s yeast contains 5 to 6 ppm, brewer’s yeast from 10 to 100 ppm.Occurs free and in e