4,4'-Isopropylidenbis(cyclohexylamin), 2,2-bis-(4-aminocyclohexyl)-propane, 1,3-Bis(4-formylphenoxy)propane, 4.4'-Diamino-cyclohexyl-propan-(2.2), 1,2-bis(4-carboxyaldehydephenoxy)propane, 4,4'-(propane-2,2-diyl)dicyclohexanamine, 4,4'-(propane-1,3-diylbis(oxy))bisdibenzaldehyde, 4,4'-[propane-1,3-diylbis(oxy)]dibenzaldehyde