硅烷PEG羧基,SIL-PEG-COOH PS2-...
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羧基PEG
p1Src=//y2.yzimgs.com/uploads/505571/2019411-143453820.png?watermark/2/text/5LiK5rW36IqD5Zyj55Sf54mp56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"