(±)-3-羟基-γ-丁内酯 5469-16-... 上海沪震实业有限公司

p1Src=//y1.yzimgs.com/uploads/495330/201732-133735655.gif?watermark/2/text/5LiK5rW35rKq6ZyH5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"

aa