十八烷基二甲基苄基氯化铵 1827 图片

p1Src=//y1.yzimgs.com/uploads/303764/2024121-124517761.png&p2Src=//y3.yzimgs.com/uploads/303764/202458-175640509.jpg?watermark/2/text/5LiK5rW36Zuq5o235YyW5bel5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/Center"