丁二酸酐99.9%200kg/桶19500元/吨日本丁二酸酐SuccinicanhydrideCas号【108-30-5】Beilstein108441分子式***H4O3；CH2CH2COOCO分子量100.07别名琥珀酸酐,琥珀酐,2,5-四氢***二酮,二氢-2,5-***二酮，四氢-2,5-二氧***，SAASAASuccinicacidanhydrideSuccinyloxide2,5-DiketotetrahydrofuranButanedioicanhydrideDihydro-2,5-furandione)