| 英文名称: | | 2-butenedioic acid (z)-, monomethyl ester, polymer with 1,3-dihydro-1,3-dioxo-5 | | -isobenzofurancarboxylic acid, hexahydro-2h-azepin-2-one and 1,1'-methylenebis[ | | 2-butenedioic acid (z)-, monomethyl ester, polymerwith 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, |
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