| 英文名称: | | 5-isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-isoben | | zofurandione and 1,1'-methylenebis[4-isocyanatobenzene], reaction products with | | benzoic acid | | 5-isobenzofurancarboxylic acid,1,3-dihydro-1,3-dioxo-, polymer with 1,3-isobenzofurandione and |
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