二苯并环辛烯PEG羟基,DBCO-PEG-OH PS2-ODB 图片

p1Src=//y1.yzimgs.com/uploads/505571/2019413-1510565.png?watermark/2/text/5LiK5rW36IqD5Zyj55Sf54mp56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"