18442-29-0;1,1'-Biphenyl,2,2'-diethynyl-;AC1L3GUI;1,1'-Biphenyl, 2,2'-diethynyl-;1-ethynyl-2-(2-ethynylphenyl)benzene;2,2'-DIETHYNYL-1,1'-BIPHENYL
Please post your buying leads,so that our qualified suppliers will soon contact you!
Country - Code Area - Code Number