4-硝基苯甲酸

4-硝基苯甲酸, 98%

4-硝基苯甲酸, for synthesis

4-硝基苯甲酸, purum, ≥98.0% (HPLC)

4-硝基苯甲酸, United States Pharmacopeia (USP) Reference Standard

4-硝基苯甲酸, Pharmaceutical Secondary Standard; Certified Reference Material