1,1'-[isopropylidenebis(p-phenyleneoxy)]bis[3-phenoxypropan-2-ol]

3,3'-[Isopropylidenebis(p-phenyleneoxy)]bis(1-phenoxy-2-propanol)

1,1'-[(1-Methylethylidene)bis(4,1-phenyleneoxy)]bis[3-phenoxy-2-propanol]