Difenzoquat49866-87-7100 % similar 1-Methyl-2-phenylindole3558-24-538 % similar 1-Ethyl-2-phenyl-1H-indole13228-39-232 % similar 1,3,5-Triphenylbenzene612-71-531 % similar M-Terphenyl92-06-830 % similar