90645ES HiActi® Recombinant Bovine TNF-α Protein 重组牛肿瘤坏死因子-α 10 μg Specs 2 sizes Yeasen ¥825.00 Inquire询 Detail详 90645ES10 10 μg ¥825.00 90645ES50 50 μg ¥2,475.00