Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy-, ether with 3,6,9,12-tetrakis (2-hydroxymethylethyl)dimethyl-3,6,9,12-tetraazatetradecane-1,14-diol | ??[??(??-1,2-????)],.??.-????-.???.-?????-,???,3,6,9,12-?????(2-?????????)???-3,6,9,12,1,14-??????????-XNUMX-?? | 88375-39-7 |