| 1 | 27194-24-7 | | Nitrofuran | C4H3NO3
| | |
| 2 | 34314-63-1 | 3-草氨酸钠 | 3-OXAURACIL | C4H3NO3
| | |
| 3 | 609-39-2 | 2-硝呋喃 | 2-NITROFURAN | C4H3NO3
| | |
| 4 | 118994-90-4 | 噁唑-5-羧酸 | OXAZOLE-5-CARBOXYLIC ACID | C4H3NO3
| 化学连接;恶唑系列 | |
| 5 | 6436-62-0 | 4-异恶唑甲酸 | 4-Isoxazolecarboxylic acid | C4H3NO3
| 医药中间体 | |
| 6 | 21169-71-1 | 异恶唑5-甲酸 | Isoxazole-5-carboxylic acid | C4H3NO3
| 恶唑;异噁唑;异恶唑;杂环砌块;有机砌块;医药中间体 | |
| 7 | 4814-74-8 | N-羟基马来酰亚胺 | 1-hydroxy-1H-pyrrole-2,5-dione | C4H3NO3
| | |
| 8 | | 3,6-dihydro-2H-1,3-oxazine-2,6-dione | 3,6-dihydro-2H-1,3-oxazine-2,6-dione | C4H3NO3
| | |
| 9 | 5777-21-9 | 3-氧代-2,3-二氢异恶唑-5-甲醛 | 3-Oxo-2,3-dihydroisoxazole-5-carbaldehyde | C4H3NO3
| | |