单氯二胺 mBCl CAS 76421-73-3 6... 西安百萤生物科技有限公司

p1Src=//y1.yzimgs.com/uploads/440106/202063-132744985.jpg?watermark/2/text/6KW_5a6J55m-6JCk55Sf54mp56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/NorthWest"