| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 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 |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-甲醛 | 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carbaldehyde | 307308-03-8 | C8H10N2O |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-甲酰氯 | 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-3-carbonyl chloride | 307307-99-9 | C8H9ClN2O |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-羧酸乙酯 | 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid ethyl ester | 307307-84-2 | C10H14N2O2 |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-羧酸 | 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid | 307313-03-7 | C8H10N2O2 |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-甲醛 | 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde | 307313-06-0 | C8H10N2O |
| 4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-甲酰氯 | 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-carboxylic acid chloride | 307313-04-8 | C8H9ClN2O |
| 4,5,6,7-四氢-2-甲基苯并恶唑 | 2-Methyl-4,5,6,7-tetrahydro-1,3-benzoxazole | 33793-98-5 | C8H11NO |
| 4,5,6,7-四氢-1H-苯并咪唑-5-基乙酸 | (4,5,6,7-tetrahydro-1H-benzimidazol-5-yl)acetic acid | 361394-61-8 | C9H12N2O2 |
| 4,5,6,7-四氢-1H-苯并咪唑 | 4,5,6,7-tetrahydro-1H-benzimidazole | 3752-24-7 | C7H10N2 |
| 4,5,6,7-四氢-1-苯并呋喃-4-胺 | 4,5,6,7-tetrahydro-1-benzofuran-4-amine | 389795-57-7 | C8H11NO |
| 4,5,6,7-四氢-1-苯基-1H-吡唑并[4,3-C]吡啶 | 1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine | 396133-34-9 | C12H13N3 |
| 4,5,6,7-四氟-2-甲基苯并[B]呋喃-3-甲酸乙酯 | 3-Aethoxycarbonyl-4,5,6,7-tetrafluor-2-methyl-cumaron | 3265-71-2 | C12H8F4O3 |
| 4,5,6,7-四氟-2-甲基-1-苯并呋喃-3-羧酸 | 3-Carboxy-4,5,6,7-tetrafluor-2-methyl-cumaron | 3265-72-3 | C10H4F4O3 |
| 4,5,6,7-四氟-2-(2,3,4,5,6-五氟苯基)-1,3,2-苯并二氧硼烷 | 2-(pentafluorophenyl)-tetrafluoro-1,3,2-benzodioxaborole | 365458-36-2 | C12BF9O2 |
| 4,5,6,7-四氟-1H-吲哚-3-甲醛 | 3-formyl-4,5,6,7-tetrafluoroindole | 30683-38-6 | C9H3F4NO |
| 4,5,6,7,8,9,10,11-八氢-1H-环癸[c]吡唑 | 1H-Cyclodecapyrazole, 4,5,6,7,8,9,10,11-octahydro- | 34176-71-1 | C11H18N2 |
| 4,5,5-三甲基-3-苯基呋喃-2-酮 | 3-phenyl-4,5,5-trimethyl-3(5H)-furanone | 30982-21-9 | C13H14O2 |
| 4,5,10-三羟基-7-甲基-1,1,8-三(3-甲基丁-2-烯基)蒽-2-酮 | 3,8,9-trihydroxy-6-methyl-4,4,5-tris(3-methylbut-2-enyl)anthracen-1(4H)-one | 3736-60-5 | C30H36O4 |
| 4,4’’-(氯(苯基)亚甲基)双(氟苯) | bis(4-fluorophenyl)phenylchloromethane | 379-54-4 | C19H13ClF2 |