| 1 | 110-16-7 | 顺丁烯二酸 | Maleic acid | C4H4O4
| 助剂;中间体;标准品;有机酸;其他原料;化学试剂;有机原料;树脂专用;生化试剂;化工原料 | 防腐剂 |
| 2 | 110-17-8 | 反丁烯二酸 | Fumaric acid | C4H4O4
| 杂质;羧酸;酸味剂;富马酸;对照品;标准品;原料药;有机酸;生化试剂;医用原料 | 农药 |
| 3 | | MALICANHYDRIDE | MALICANHYDRIDE | C4H4O4
| | |
| 4 | 24461-32-3 | 富马酸-2,3-d2 | 富马酸-2,3-d2 | C4H4O4
| 临床检测标准物质 | |
| 5 | 26099-09-2 | 聚苹果酸 | Poly(maleic acid) | C4H4O4
| 化工助剂;有机原料;水处理剂;化工原料;阻垢分散剂 | |
| 6 | 4480-83-5 | 二奎酸酐 | Diglycolic anhydride | C4H4O4
| 中间体;羧酸酐;医药原料;其他原料;化工原料 | |
| 7 | 769108-94-3 | 富马酸-2,3-13C2 | FUMARIC-2,3-13C2 ACID | C4H4O4
| | |
| 8 | 17836-11-2 | MALEIC ACID, [2,3-14C] | MALEIC ACID, [2,3-14C] | C4H4O4
| | |
| 9 | 17456-38-1 | FUMARIC ACID, [1,4-14C] | FUMARIC ACID, [1,4-14C] | C4H4O4
| | |
| 10 | 80730-23-0 | Fumaric Acid Impurity 12 | Fumaric Acid Impurity 12 | C4H4O4
| | |
| 11 | | MALEIC ACID DEXCHLOR GRADE | MALEIC ACID DEXCHLOR GRADE | C4H4O4
| | |
| 12 | | 富马酸-13C4 | FUMARIC ACID (1,2,3,4-13C4) | C4H4O4
| Aliphatics;Isotope Labelled Compounds;Alphabetical Listings;E-FStable Isotopes;Metabolic Research;Other;Stable Isotopes | |
| 13 | 854850-88-7 | 2-forMyl-3-oxopropanoic acid | 2-forMyl-3-oxopropanoic acid | C4H4O4
| | |
| 14 | | FUMARIC ACID USP(CRM STANDARD) | FUMARIC ACID USP(CRM STANDARD) | C4H4O4
| | |
| 15 | 4374-46-3 | Butanoic acid, 2,3-dioxo- (9CI) | Butanoic acid, 2,3-dioxo- (9CI) | C4H4O4
| | |
| 16 | 90730-97-5 | 2-Oxetanecarboxylic acid, 4-oxo- | 2-Oxetanecarboxylic acid, 4-oxo- | C4H4O4
| | |
| 17 | | FUMARIC ACID(REAGENT / STANDARD GRADE) | FUMARIC ACID(REAGENT / STANDARD GRADE) | C4H4O4
| | |
| 18 | 177019-47-5 | 2-Oxetanecarboxylic acid, 4-oxo-, (2R)- | 2-Oxetanecarboxylic acid, 4-oxo-, (2R)- | C4H4O4
| | |
| 19 | 30915-61-8 | 聚2-丁烯油酸钠 | 2-Butenedioic acid (2Z)-, homopolymer, sodium salt | C4H4O4
| | |
| 20 | | Maleic acid mono-N,N,N',N'-tetrakis(2-hydroxypropyloxy)ethylenediamine ester salt(Na,K) | Maleic acid mono-N,N,N',N'-tetrakis(2-hydroxypropyloxy)ethylenediamine ester salt(Na,K) | C4H4O4
| | |