| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 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 |
| 4,5-二氢-1,3-噻唑-2-甲醛 | 2-Formyl-thiazolin | 37112-93-9 | C4H5NOS |
| 4,5-二氟-2-硝基-苯基乙酰胺 | 4,5-difluoro-2-nitro-phenylacetamide | 329939-78-8 | C7H4F2N2O3 |
| 4,5-二氟-2-[(2-氟-4-碘苯基)氨基]苯甲酸 | 4,5-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzoic acid | 391212-00-3 | C13H7F3INO2 |
| 4,5-二氟-2,2-二(三氟甲基)-1,3-二氧杂环戊烯 | 2,2-bis(trifluoromethyl)-4,5-difluoro-1,3-dioxole | 37697-64-6 | C5F8O2 |
| 4,5-二乙炔基-1-甲基-1H-咪唑 | 4,5-Diethynyl-1-methyl-imidazol | 37067-94-0 | C8H6N2 |
| 4,5-二乙炔基-1-甲基-1H-吡唑 | 4,5-diethynyl-1-methyl-1<i>H</i>-pyrazole | 34091-65-1 | C8H6N2 |
| 4,5-二乙基-N,2-二羟基苯甲酰胺 | 4,5-diethyl-N,2-dihydroxybenzamide | 349392-86-5 | C11H15NO3 |
| 4,5-二(苯基)-1-(苯基甲基)三唑 | 1-benzyl-4,5-diphenyl-1H-1,2,3-triazole | 33471-66-8 | C21H17N3 |
| 4,5-二(苯基)-1,2-二氢吡唑-3-酮 | 3,4-Diphenyl-2-pyrazolin-5-on | 33238-93-6 | C15H12N2O |
| 4,5-二(4-氯苯基)-4H-1,2,4-三唑-3-硫醇 | 4,5-bis(4-chlorophenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione | 31405-28-4 | C14H9Cl2N3S |
| 4,5,8-三氯喹啉-3-甲酸乙酯 | Ethyl 4,5,8-trichloroquinoline-3-carboxylate | 338795-11-2 | C12H8Cl3NO2 |
| 4,5,7-三甲基-1,2,3,4-四氢萘-1-醇 | 4,5,7-Trimethyl-1,2,3,4-tetrahydro-[1]naphthol | 32281-79-1 | C13H18O |
| 4,5,6-三羟基-苯-1,3-二磺酸 | 4,5,6-trihydroxy-benzene-1,3-disulfonic acid | 38983-95-8 | C6H6O9S2 |
| 4,5,6-三甲氧基-1H-吲哚 | 4,5,6-trimethoxyindole | 30448-04-5 | C11H13NO3 |
| 4,5,6-三氯靛红 | 4,5,6-Trichloroisatin | 373383-39-2 | C8H2Cl3NO2 |
| 4,5,6-三氟-1,3-苯并噻唑-2-胺 | 4,5,6-trifluoro-2-benzothiazolamine | 328037-32-7 | C7H3F3N2S |
| 4,5,6,7-四溴-2-[4-[[4-(4,5,6,7-四溴-1,3-二氧代异吲哚-2-基)苯基]甲基]苯基]异吲哚-1,3-二酮 | N,N'-(methylenedi-p-phenylene)bis[3,4,5,6,-tetrabromophthalimide] | 32588-74-2 | C29H10Br8N2O4 |
| 4,5,6,7-四溴-2-(2,4,6-三溴苯基)异吲哚-1,3-二酮 | 4,5,6,7-tetrabromo-2-(2,4,6-tribromo-phenyl)-isoindoline-1,3-dione | 37710-57-9 | C14H2Br7NO2 |
| 4,5,6,7-四氯茚满-1,3-二酮 | TCID | 30675-13-9 | C9H2Cl4O2 |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-羧酸 | 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxylic acid | 307307-97-7 | C8H10N2O2 |