1,4-cyclohexanedimethanol-3,9-diethylidene-2,4,8,10-tetraoxaspiro(5.5)undecane-1,6-hexanediol polymer
1,4-cyclohexanedimethanol-3,9-diethylidene-2,4,8,10-tetraoxaspiro(5.5)undecane-1,6-hexanediol polymer