Poly(P-phenylene oxide)25134-01-430 % similar 2-Fluoro-1,3-dimethylbenzene443-88-930 % similar 1,8-Dimethylnaphthalene569-41-530 % similar 2,6-Xylenol576-26-130 % similar 2-Pentanamine63493-28-730 % similar 1-(1-Chloroethyl)-2,3-dimethylbenzene60907-88-230 % similar