2,4,5 - 三氟苯甲腈 98349-22-5 图片

p1Src=//y3.yzimgs.com/uploads/468277/2026108-9127740.png?watermark/2/text/5rex5Zyz5biC5rO95Lu756eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/Center"

aa