| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 98-01-1 | 糠醛; 呋喃甲醛 | Furfural; Furfuraldehyde; Furfurol; 2-Furaldehyde; 2-Furancarboxaldehyde; Furan-2-carboxaldehyde |  | C5H4O2 | 详情 | 供应商 |
| 498-60-2 | 3-糠醛; 3-呋喃甲醛 | 3-Furaldehyde; 3-Furancarboxaldehyde |  | C5H4O2 | 详情 | 供应商 |
| 108-28-1 | 原白头翁素; 原白头翁素; | Protoanemonin; 2,4-Pentadienoicacid, 4-hydroxy-, g-lactone (7CI); Protoanemonin (6CI); 2,4-Pentadien-4-olide; 4-Hydroxy-2,4-pentadienoic acid lactone; 4-Hydroxy-2,4-pentadienoic acid g-lactone; 5-Methylene-2(5H)-furanone; 5-Methylene-2,5-dihydrofuran-2-one; 5-Methylene-2-oxodihydrofuran; Isomycin; Protoanemonene; g-Methylenebutenolide; |  | C5H4O2 | 详情 | 供应商 |
| 92277-34-4 | Pyrylium, 3-hydroxy-,inner salt; 3-Hydroxypyryliumhydroxide, inner salt (7CI) |  | C5H4O2 | 详情 | 供应商 | |
| 504-31-4 | α-吡喃酮; 2氢-吡喃-2酮; 2H-吡喃-2-酮; Α-哌喃酮; 闊馬靈; Α-哌喃酮; 哌哢 | 2H-Pyran-2-one; 1,2-Pyrone(4CI); 2,4-Pentadienoic acid, 5-hydroxy-, d-lactone; 2-Pyranone; 2-Pyrone; 2H-Pyran, 2-oxo-; Coumalin; a-Pyrone |  | C5H4O2 | 详情 | 供应商 |
| 22980-23-0 | 2-Oxabicyclo[2.2.0]hex-5-en-3-one; 2-Cyclobutene-1-carboxylicacid, 4-hydroxy-, b-lactone (7CI) |  | C5H4O2 | 详情 | 供应商 | |
| 92544-22-4 | 3(2H)-Furanone,2-methylene-; 2-methylene-3(2H)-furanone |  | C5H4O2 | 详情 | 供应商 | |
| 108-97-4 | 4H-吡啶-4-酮; 吡喃-4-酮 | 4H-Pyran-4-one; 4-Pyrone; 4H-Pyran, 4-oxo-; Pyran-4-one; g-Pyrone |  | C5H4O2 | 详情 | 供应商 |
| 5963-80-4 | 4-Penten-2-ynoic acid |  | C5H4O2 | 详情 | 供应商 | |
| 930-60-9 | 2-Cyclopentene-1,4-dione |  | C5H4O2 | 详情 | 供应商 |
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