四羟丙基乙二胺四羟丙基乙二胺图片

p1Src=//y2.yzimgs.com/uploads_old/177253/2011111909364204_old.jpg&p2Src=//y1.yzimgs.com/uploads/177253/2016722-93955425.jpg?watermark/2/text/5rex5Zyz5biC5paw5b-X5ZKM5YyW5bel5Y6f5paZ5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y2.yzimgs.com/uploads/177253/2016722-94011486.jpg?watermark/2/text/5rex5Zyz5biC5paw5b-X5ZKM5YyW5bel5Y6f5paZ5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"