lenebis[4-isocyanatobenzene]

1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic aci

Trimellitic anhydride, methylenebis(phenylisocyanate) polymer

p,p'-Diphenylmethane diisocyanate, trimellitic anhydride polymer

Trimellitic anhydride-4,4'-Diphenylmethanediisocyanate polycondensate

5-isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,1'-methy