| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二甲基-2-(2-甲基丙酰氨基)噻吩-3-羧酸 | 4,5-Dimethyl-2-(2-methylpropanamido)thiophene-3-carboxylic acid | 312940-41-3 | C11H15NO3S |
| 4,5-二甲基-2-(2-吗啉-4-基乙基)-6-苯基哒嗪-3-酮 | 4,5-dimethyl-2-(2-morpholin-4-yl-ethyl)-6-phenyl-2<i>H</i>-pyridazin-3-one | 32165-32-5 | C18H23N3O2 |
| 4,5-二甲基-2,3-二氢-1H-茚-1-酮 | 4,5-Dimethyl-indan-1-on | 37678-61-8 | C11H12O |
| 4,5-二甲基-1,3-苯并噻唑 | 4,5-Dimethyl-1,3-benzothiazole | 346465-91-6 | C9H9NS |
| 4,5-二甲基-1,3-恶唑-2-甲酰氯 | 4,5-Dimethyl-oxazole-2-carbonyl chloride | 344399-17-3 | C6H6ClNO2 |
| 4,5-二甲基-1,3-二氧杂环戊烯-2-酮 | 4,5-Dimethyl-1,3-dioxole-2-one | 37830-90-3 | C5H6O3 |
| 4,5-二甲基-1,3-二氧杂环戊烯-2-硫酮 | 3,4-dimethylvinylene thiooxocarbonate | 37528-00-0 | C5H6O2S |
| 4,5-二甲基-1,2-苯二甲腈 | 4,5-dimethylphthalonitrile | 36360-43-7 | C10H8N2 |
| 4,5-二溴噻吩-2-甲醛 | 4,5-dibromothiophene-2-carbaldehyde | 38071-22-6 | C5H2Br2OS |
| 4,5-二溴-3-氟-2-噻吩甲酸甲酯 | methyl 4,5-dibromo-3-fluorothiophene-2-carboxylate | 395664-58-1 | C6H3Br2FO2S |
| 4,5-二溴-2-甲氧基-苯基胺 | 4,5-dibromo-2-methoxy-phenylamine | 367521-06-0 | C7H7Br2NO |
| 4,5-二溴-2-呋喃羰酰氯 | 4,5-dibromo-furan-2-carbonyl chloride | 35900-96-0 | C5HBr2ClO2 |
| 4,5-二溴-1H-吡咯-2-羧酸 | 4,5-dibromo-1H-pyrrole-2-carboxylic acid | 34649-21-3 | C5H3Br2NO2 |
| 4,5-二溴-1H-吡咯-2-氰基 | 4,5-dibromo-1H-pyrrole-2-carbonitrile | 34649-19-9 | C5H2Br2N2 |
| 4,5-二溴-1,2-二甲氧基苯 | 1,2-dibromo-4,5-dimethoxybenzene | 37895-73-1 | C8H8Br2O2 |
| 4,5-二氯噻吩-2-甲酸 | 4,5-dichlorothiophene-2-carboxylic acid | 31166-29-7 | C5H2Cl2O2S |
| 4,5-二氯儿茶酚 | 4,5-dichlorocatechol | 3428-24-8 | C6H4Cl2O2 |
| 4,5-二氯-6-甲基-2-(2-吡啶基)嘧啶 | 4,5-dichloro-6-methyl-2-(pyridin-2-yl)pyrimidine | 306935-55-7 | C10H7Cl2N3 |
| 4,5-二氯-6-(三氟甲基)嘧啶-2-胺 | 4,5-dichloro-6-(trifluoromethyl)pyrimidin-2-amine | 302810-56-6 | C5H2Cl2F3N3 |
| 4,5-二氯-2-硝基苯酚 | 2-nitro-4,5-dichlorophenol | 39224-65-2 | C6H3Cl2NO3 |
| 4,5-二氯-2-三氟甲基苯并咪唑 | 4,5-Dichlor-2-trifluormethyl-benzimidazol | 3615-21-2 | C8H3Cl2F3N2 |
| 4,5-二氯-2-(4-甲基苯基)-2,3-二氢哒嗪-3-酮 | 4,5-dichloro-2-<i>p</i>-tolyl-2<i>H</i>-pyridazin-3-one | 33098-21-4 | C11H8Cl2N2O |
| 4,5-二氯-2-(4-氯苯基)-2,3-二氢哒嗪-3-酮 | 4,5-dichloro-2-(4-chloro-phenyl)-2<i>H</i>-pyridazin-3-one | 33098-11-2 | C10H5Cl3N2O |
| 4,5-二氯-2-(3,4-二氯苯基)苯胺 | 2-Amino-3',4,4',5-tetrachlorbiphenyl | 31507-99-0 | C12H7Cl4N |
| 4,5-二氯-2-(2,4-二氯苯氧基)苯酚 | 4,5-dichloro-2-(2,4-dichlorophenoxy)phenol | 3380-44-7 | C12H6Cl4O2 |
| 4,5-二氯-1H-吡咯-2-羧酸 | 4,5-dichloro-1H-pyrrole-2-carboxylic acid | 39209-94-4 | C5H3Cl2NO2 |
| 4,5-二氯-1-(3,4-二氯苄基)-1H-咪唑 | 4,5-dichloro-1-(3,4-dichlorobenzyl)imidazole | 326901-28-4 | C10H6Cl4N2 |
| 4,5-二氯-1,3-二氧五环-2-酮 | dichloroethylene carbonate | 3967-55-3 | C3H2Cl2O3 |
| 4,5-二氨基脲嘧啶 | 5,6-diaminouracil | 3240-72-0 | C4H6N4O2 |
| 4,5-二氨基-5-氧代戊酸 | isoglutamine | 328-48-3 | C5H10N2O3 |
| 4,5-二氨基-2,4-二氢-[1,2,4]三唑-3-硫酮 | 4,5-diamino-2,4-dihydro-[1,2,4]triazole-3-thione | 3529-50-8 | C2H5N5S |
| 4,5-二氢萘并[1,2-d]噻唑-2-胺 | 4,5-dihydronaphtho[1,2-d]thiazol-2-amine | 34176-49-3 | C11H10N2S |
| 4,5-二氢苯并[B]氧杂卓-2(3H)-酮 | 4,5-dihydro-3H-benzo[b]oxepin-2-one | 3041-17-6 | C10H10O2 |
| 4,5-二氢[1,2,5]噁二唑[3,4-f]噌啉 | 4,5-dihydro-1,2,5-oxadiazolo[3,4-f]cinnoline | 300587-41-1 | C8H6N4O |
| 4,5-二氢-咪唑并[1,2-a]喹喔啉-7-醇 | 7-Hydroxy-4,5-dihydroimidazo-<1,2-a>-chinoxalin | 39744-77-9 | C10H9N3O |
| 4,5-二氢-咪唑并[1,2-a]喹喔啉 | 4,5-Dihydroimidazo<1,2-a>chinoxalin | 39744-76-8 | C10H9N3 |
| 4,5-二氢-6-(羟基氨基)-2(3H)-吡嗪酮肟 | 2,6-Bishydroxyiminopiperazin | 35975-29-2 | C4H8N4O2 |
| 4,5-二氢-3,4,4-三甲基恶唑鎓碘化物 | 3,4,4-trimethyl-Δ<sup>2</sup>-oxazolinium iodide | 30093-97-1 | C6H12NO*I |
| 4,5-二氢-2-异十七烷基-1H-咪唑-1-乙胺 | 1H-Imidazole-1-ethanamine, 4,5-dihydro-2-isoheptadecyl- | 37349-04-5 | C22H45N3 |
| 4,5-二氢-2-[6-甲氧基-2-苯并噻唑基]-4-噻唑啉羧酸钠盐 | luciferin 6'-methyl ether | 3022-11-5 | C12H10N2O3S2 |
| 4,5-二氢-2-(硝基甲基)噻唑 | 1-Nitromethylthiazolin | 35624-48-7 | C4H6N2O2S |
| 4,5-二氢-2-(3-硝基苯)-1H-咪唑 | 2-(3-nitrophenyl)-2-imidazoline | 31659-42-4 | C9H9N3O2 |
| 4,5-二氢-2-(1-甲基乙烯基)-恶唑与乙烯基苯的聚合物 | 2-Prop-1-en-2-yl-4,5-dihydro-1,3-oxazole;styrene | 30174-74-4 | C14H17NO |
| 4,5-二氢-2,4-苯并氧氮杂卓-3(1H)-酮 | 4,5-Dihydro-2,4-benzoxazepin-3(1H)-on | 39976-24-4 | C9H9NO2 |
| 4,5-二氢-2,4,5-三苯基-1H-咪唑 | Amarin | 37134-88-6 | C21H18N2 |
| 4,5-二氢-1H-苯[g]吲唑-7-醇 | 4,5-dihydro-2H-benzo[g]indazol-7-ol | 31184-53-9 | C11H10N2O |
| 4,5-二氢-1H-咪唑-2-胺溴化物 | 4,5-dihydro-1H-imidazole-2-amine hydrobromide | 30879-89-1 | BrH*C3H7N3 |
| 4,5-二氢-1H-[1,2,4]恶二唑并[4,3-a]喹喔啉-1-酮 | 4,5-dihydro[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one | 36002-67-2 | C9H7N3O2 |
| 4,5-二氢-1-甲基-1H-磷杂环戊二烯-2-羧酸 1-氧化物 | 1-methyl-1-oxo-4,5-dihydro-1<i>H</i>-1λ<sup>5</sup>-phosphole-2-carboxylic acid | 36163-70-9 | C6H9O3P |
| 4,5-二氢-1,4-苯并氧氮杂卓-3(2H)-酮 | 4,5-dihydro-1,4-benzoxazepin-3(2H)-one | 34844-80-9 | C9H9NO2 |