2-Oxepanone, polymer with hydrazine, alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl) and 1,1'-methylenebis(4-isocyanatocyclohexane) 67599-28-4 Methylenedi-4,1-cyclohexyleneisocyanate, hydrazine, alpha-hydro-omega-hydroxy poly(oxy-1,2-ethanediyl), 2-oxepanone polymer