4,4'-[1,4-phenylenebis(oxy)]dibutanenitrile InChI=1/C14H16N2O2/c15-9-1-3-11-17-13-5-7-14(8-6-13)18-12-4-2-10-16/h5-8H,1-4,11-12H butanenitrile, 4,4'-[1,4-phenylenebis(oxy)]bis-