2-三氟甲基-4-溴吡啶 887583-90-6 图片

p1Src=//y3.yzimgs.com/uploads/495330/2017420-134034247.gif?watermark/2/text/5LiK5rW35rKq6ZyH5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"