苯并[k]四苯, Benzo[k]tetraphene

4-羟基苯甲酸异丙酯标准溶液, Isopropyl 4-Hydroxybenzoate Standard solution

雌酮, Estronel,1000ppm

《2341农药残留测定法》30种农药混标(LC-MS/MS), Pesticide Mix 30

恶唑禾草灵(乙酯), Fenoxaprop-ethyl,1000ppm

布地奈德; 布地缩松, Budesonide,1000ppm

2-烯丙基-1-(6-(2-羟基丙烷-2-基)吡啶-2-基)-6-(甲硫基)-1H-吡唑并[3,4-d]嘧啶-3(2H)-酮, 2-Allyl-1-(6-(2-hydroxypropan-2-yl)pyridin-2-yl)-6-(methylth

4-(3-溴苯基)丁酸, 4-(3-Bromophenyl)butanoic acid

1-苄基-1H-咪唑-5-羧酸, 1-Benzyl-1H-imidazole-5-carboxylic acid

邻苯二甲酸二乙酯(DEP) 标准溶液, Diethyl phthalate Standard solution