5-Cyano-2-[3-[5-cyano-1-ethyl-1,3-dihydro-3-(4-sulfobutyl)-2H-benzimidazol-2-ylidene]-1-propen-1-yl]-1-ethyl-3-(4-sulfobutyl)-1H-benzimidazolium inner salt
Please post your buying leads,so that our qualified suppliers will soon contact you!
Country - Code Area - Code Number