.alpha.,.omega.-Decanediol 1,10-Decamethylene diol 1,10-Decamethylenediol 1,10-Decanediol 1,6-Bis(2-hydroxyethyl)hexane 112-47-0 Decamethylene glycol Decamethylenediol Decane-1,10-diol NSC17165