SigmaP-1274|L-多聚赖氨酸 MW:7-15万图片

p1Src=//y3.yzimgs.com/uploads/469100/2016128-93726234.jpg?watermark/2/text/5LiK5rW35ouc5Yqb55Sf54mp56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast"

aa