| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二甲基-2-糠醛 | 4,5-dimethyl-2-formylfuran | 52480-43-0 | C7H8O2 |
| 4,5-二甲基-2-硝基-1H-咪唑 | 4,5-Dimethyl-2-nitro-imidazol | 5213-47-8 | C5H7N3O2 |
| 4,5-二甲基-2-硒氧代-1,3-二硒醚 | 4,5-dimethyl-2-selenoxo-1,3-diselenole | 53808-62-1 | C5H6Se3 |
| 4,5-二甲基-2-环己烯-1-酮 | 2-cyclohexen-1-one, 4,5-dimethyl- | 5715-25-3 | C8H12O |
| 4,5-二甲基-2-氨基噻吩-3-甲酸 | 2-amino-4,5-dimethylthiophene-3-carboxylic acid | 55502-96-0 | C7H9NO2S |
| 4,5-二甲基-2-异丙基噻唑 | 2-isopropyl-4,5-dimethylthiazole | 53498-30-9 | C8H13NS |
| 4,5-二甲基-2-巯基噻唑 | 4,5-dimethylthiazole-2-thiol | 5351-51-9 | C5H7NS2 |
| 4,5-二甲基-2-丙基恶唑 | 4,5-dimethyl-2-propyl-1,3-oxazole | 53833-32-2 | C8H13NO |
| 4,5-二甲基-2-[(3-甲基吗啉-4-基)甲基]苯酚 | 4,5-Dimethyl-2-(3-methyl-morpholinomethyl)-phenol | 58704-26-0 | C14H21NO2 |
| 4,5-二甲基-2-(苯基甲基)-1,3-二氧戊环 | 2-benzyl-4,5-dimethyl-1,3-dioxolane | 5468-06-4 | C12H16O2 |
| 4,5-二甲基-2-(丙-2-烯基硫代氨基甲酰氨基)噻吩-3-羧酸乙酯 | 2-[[(2-propenylamino)thioxomethyl]amino]-4,5-dimethyl-3-thiophenecarboxylic acid ethyl ester | 50629-08-8 | C13H18N2O2S2 |
| 4,5-二甲基-2-(2-硝基乙酰基)苯甲酸 | 4,5-dimethyl-ω-nitroacetophenone-2-carboxylic acid | 54519-63-0 | C11H11NO5 |
| 4,5-二甲基-1H-吡咯-2-甲醛 | 2-formyl-4,5-dimethylpyrrole | 53700-95-1 | C7H9NO |
| 4,5-二甲基-1H,1'H-2,2'-联咪唑 | 4,5-dimethyl-2,2'-biimidazole | 524738-95-2 | C8H10N4 |
| 4,5-二甲基-1,2,4-三唑-3-胺 | 4,5-dimethyl-4<i>H</i>-[1,2,4]triazol-3-ylamine | 53132-83-5 | C4H8N4 |
| 4,5-二溴哒嗪-3-酮 | 4,5-dibromo-3(2H)pyridazinone | 5788-58-9 | C4H2Br2N2O |
| 4,5-二溴呋喃-2-羧酸甲酯 | methyl 4,5-dibromofuran-2-carboxylate | 54113-41-6 | C6H4Br2O3 |
| 4,5-二溴呋喃-2-羧酸叔丁酯 | tert-butyl 4,5-dibromo-2-furancarboxylate | 54113-43-8 | C9H10Br2O3 |
| 4,5-二溴-N-甲氧基-N-甲基-2-呋喃甲酰胺 | 4,5-Dibromo-N-methoxy-N-methylfuran-2-carboxamide | 502639-02-3 | C7H7Br2NO3 |
| 4,5-二溴-3-氯噻吩-2-甲酸 | 4,5-dibromo-3-chlorothiophene-2-carboxylic acid | 503308-99-4 | C5HBr2ClO2S |
| 4,5-二溴-2-苯甲酰基吡咯 | 2,3-dibromo-5-benzoylpyrrole | 50372-61-7 | C11H7Br2NO |
| 4,5-二溴-2-苯基-1H-咪唑 | 4,5-dibromo-2-phenyl-1H-imidazole | 56338-00-2 | C9H6Br2N2 |
| 4,5-二溴-2-(2,6-二氯苯基)哒嗪-3-酮 | 4,5-dibromo-2-(2,6-dichlorophenyl)pyridazin-3(2H)-one | 565156-80-1 | C10H4Br2Cl2N2O |
| 4,5-二溴-1H-吡咯-2-羧肼 | 4,5-dibromo-1H-pyrrole-2-carbohydrazide | 50371-65-8 | C5H5Br2N3O |
| 4,5-二溴-1,3-二甲基-1H-吡唑 | 1,3-Dimethyl-4,5-dibrom-pyrazol | 5744-71-8 | C5H6Br2N2 |
| 4,5-二氰咪唑-2-肼溴化氢 | 2-hydrazino-4,5-dihydroimidazole hydrobromide | 55959-84-7 | Br*C3H9N4 |
| 4,5-二氯邻苯二胺 | 4,5-Dichloro-1,2-phenylenediamine | 5348-42-5 | C6H6Cl2N2 |
| 4,5-二氯苯二甲酸 | 4,5-dichlorophthalic acid | 56962-08-4 | C8H4Cl2O4 |
| 4,5-二氯-哒嗪 | 4,5-dichloropyridazine | 55271-49-3 | C4H2Cl2N2 |
| 4,5-二氯-2-苯并呋喃-1,3-二酮 | 3,4-dichlorophthalic anhydride | 56962-07-3 | C8H2Cl2O3 |
| 4,5-二氯-2-羟基苯甲酸 | 4,5-dichlorosalicylic acid | 50274-58-3 | C7H4Cl2O3 |
| 4,5-二氯-2-羟基甲基-2,3-二氢哒嗪-3-酮 | 4,5-dichloro-2-(hydroxymethyl)pyridazin-3(2H)-one | 51355-97-6 | C5H4Cl2N2O2 |
| 4,5-二氯-2-硝基苯甲醛 | 4,5-dichloro-2-nitrobenzaldehyde | 56990-04-6 | C7H3Cl2NO3 |
| 4,5-二氯-2-硝基-苯磺酸 | 4,5-dichloro-2-nitro-benzenesulfonic acid | 56978-63-3 | C6H3Cl2NO5S |
| 4,5-二氯-2-甲基苯甲酸 | 4,5-dichloro-2-methylbenzoic acid | 5252-98-2 | C8H6Cl2O2 |
| 4,5-二氯-2-甲基吡啶 | 4,5-dichloro-2-methyl-pyridine | 514216-44-5 | C6H5Cl2N |
| 4,5-二氯-2-甲基-苯酚 | 4,5-dichloro-2-methyl-phenol | 52780-67-3 | C7H6Cl2O |
| 4,5-二氯-2-氟-1,3-噻唑 | 4,5-dichloro-2-fluorothiazole | 57314-08-6 | C3Cl2FNS |
| 4,5-二氯-2-(氯甲基)哒嗪-3-酮 | 4,5-dichloro-2-chloromethyl-pyridazin-3(2H)-one | 51356-03-7 | C5H3Cl3N2O |
| 4,5-二氯-2-(2,4-二氯-苯氧基)-苯胺 | 4,5-dichloro-2-(2,4-dichloro-phenoxy)-aniline | 58802-26-9 | C12H7Cl4NO |
| 4,5-二氯-2-(2,4,5-三氯-苯氧基)-苯胺 | 4,5-dichloro-2-(2,4,5-trichloro-phenoxy)-aniline | 58802-25-8 | C12H6Cl5NO |
| 4,5-二氯-1H-吡咯-2-甲酰胺 | 4,5-dichloro-pyrrole-2-carboxylic acid amide | 50371-68-1 | C5H4Cl2N2O |
| 4,5-二氯-1,2-二氢-1,2-二甲基-3,6-哒嗪二酮 | 4,5-dichloro-1,2-dimethyl-1,2-dihydro-pyridazine-3,6-dione | 5203-60-1 | C6H6Cl2N2O2 |
| 4,5-二氮芴-9-酮 | 4,5-Diazafluoren-9-one | 50890-67-0 | C11H6N2O |
| 4,5-二氨基邻茴香酸甲酯 | methyl-4,5-diamino-2-methoxybenzoate | 59338-85-1 | C9H12N2O3 |
| 4,5-二氨基邻茴香酸 | 2-methoxy 4,5-diamino benzoic acid | 59338-91-9 | C8H10N2O3 |
| 4,5-二氧代戊酸 | 4-formyl-4-oxobutanoic acid | 5976-90-9 | C5H6O4 |
| 4,5-二氧代-1,2-二苯基-吡咯烷-3-羧酸乙酯 | 4,5-dioxo-1,2-diphenyl-pyrrolidine-3-carboxylic acid ethyl ester | 5469-63-6 | C19H17NO4 |
| 4,5-二氢薁并(1,2,3-cd)非那烯 | Azuleno(1,2,3-cd)phenalene, 4,5-dihydro- | 54100-61-7 | C20H14 |
| 4,5-二氢苯并[a]芘 | 4,5-dihydrobenzo<a>pyrene | 57652-66-1 | C20H14 |