81972-34-1 | Ethanol, 2,2-(1,4-phenylenebis(oxy))bis-, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1-methylenebis(4-isocyanatocyclohexane) | (C15H22N2O2.C10H14O4.(C4H8O)nH2O)x |
81972-41-0 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-butanediol, hexanedioic acid, 1,6-hexanediol and 1,1-methylenebis(4-isocyanatocyclohexane) |
81972-48-7 | Polynitrilomethanetetraylnitrilo2,4,6-tris(1-methylethyl)-1,3-phenylene, .alpha.-2,6-bis(1-methylethyl)phenyl-.omega.-2,6-bis(1-methylethyl)phenylcarbonimidoylamino- |