Benzyltrimethylammonium bromide5350-41-4 上海抚生实业有限公司

p1Src=//y1.yzimgs.com/uploads/543191/20211012-16651625.jpg?watermark/2/text/5LiK5rW35oqa55Sf5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y2.yzimgs.com/uploads/543191/20211012-155828772.jpg?watermark/2/text/5LiK5rW35oqa55Sf5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y2.yzimgs.com/uploads/543191/20211012-16647999.jpg?watermark/2/text/5LiK5rW35oqa55Sf5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast