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1,4-Butanediol, polymer with α-hydro-ω-hydroxypoly( oxy-1,4-butanediyl), 1,1'-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane Structure

1,4-Butanediol, polymer with α-hydro-ω-hydroxypoly( oxy-1,4-butanediyl), 1,1'-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane