| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二氨基萘-2,7-二磺酸 | 1,8-diamino-3,6-naphthalenedisulfonic acid | 6362-11-4 | C10H10N2O6S2 |
| 4,5-二氨基甲酰-1-乙基咪唑 | 1-ethyl-4,5-imidazoledicarboxamide | 61523-49-7 | C7H10N4O2 |
| 4,5-二氨基-6-甲基-1H-嘧啶-2-硫酮 | 4,5-diamino-6-methyl-2-thiopyrimidine | 6305-99-3 | C5H8N4S |
| 4,5-二氨基-3-氟-2-(苯基氨基)苯甲酸甲酯 | methyl 4,5-diamino-3-fluoro-2-(phenylamino)benzoate | 606144-42-7 | C14H14FN3O2 |
| 4,5-二氨基-2-溴-1,8-二羟基蒽醌 | 4,5-diamino-2-bromo-1,8-dihydroxyanthraquinone | 64918-92-9 | C14H9BrN2O4 |
| 4,5-二氨基-1-萘磺酸 | 4,5-diaminonaphthalene-1-sulfonic acid | 6362-18-1 | C10H10N2O3S |
| 4,5-二氧代脯氨酰氯化物 | 4,5-dioxo-prolyl chloride | 64154-86-5 | C5H4ClNO3 |
| 4,5-二氢芘 | 4,5-dihydropyrene | 6628-98-4 | C16H12 |
| 4,5-二氢噻唑-2-胺硫酸盐 | 2-Ammonio-4,5-dihydrothiazolium sulfate | 65767-36-4 | C3H8N2O4S2 |
| 4,5-二氢-萘并[1,2-c]异噁唑 | 4,5-Dihydronaphth<1,2-c>isoxazol | 66417-91-2 | C11H9NO |
| 4,5-二氢-alpha-甲基-2-十一烷基-1H-咪唑-1-乙醇 | 1-Hydroxypropyl-2-alkyl-2-imidazolin | 63494-97-3 | C17H34N2O |
| 4,5-二氢-N-(3-甲基苯基)-2-噁唑胺 | 2-(3-methylphenylimino) oxazolidine | 65536-43-8 | C10H12N2O |
| 4,5-二氢-N,1,4-三苯基-(1H)-1,2,4-三嗪-3-胺 | (1,4-diphenyl-4,5-dihydro-1<i>H</i>-[1,2,4]triazol-3-yl)-phenyl-amine | 63549-51-9 | C20H18N4 |
| 4,5-二氢-5-氧代-4-[(间甲苯基)偶氮]-1H-吡唑-3-羧酸 | 4,5-Dihydro-5-oxo-4-((m-tolyl)azo)-1H-pyrazole-3-carboxylic acid | 66256-72-2 | C11H10N4O3 |
| 4,5-二氢-5-氧代-1-(4-磺基苯基)-4-[3-(四氢-1,3-二甲基-2,4,6-三氧代-5(2H)-嘧啶基亚基)丙-1-烯基]-1H-吡唑-3-羧酸乙酯 | 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[3-(tetrahydro-1,3-dimethyl-2,4,6-trioxo-5(2H)-pyrimidinylidene)-1-propenyl]-, 3-ethyl ester | 68541-06-0 | C21H20N4O9S |
| 4,5-二氢-5-巯基-1,3,4-噻二唑-2-甲酰胺 | 5-mercapto-1,3,4-thiadiazole-2-carboxamide | 66709-83-9 | C3H3N3OS2 |
| 4,5-二氢-4-[(2-硝基苯基)偶氮]-5-氧代-1-苯基-1H-吡唑-3-羧酸乙酯 | ethyl 4-[(2-nitrophenyl)diazenyl]-5-oxo-1-phenyl-4H-pyrazole-3-carboxylate | 68213-91-2 | C18H15N5O5 |
| 4,5-二氢-4,5-二羟基尿酸 | dihydroxyuric acid | 67708-22-9 | C5H6N4O5 |
| 4,5-二氢-4,5-二硝基-1H-咪唑-2-胺 | 4,5-Dinitro-4,5-dihydro-1H-imidazol-2-amine | 644996-55-4 | C3H5N5O4 |
| 4,5-二氢-3H-螺叔丁基[苯并[B][1,4]氧杂氮杂-2,4'-哌啶]-1'-羧酸叔丁酯 | tert-butyl 4,5-dihydro-3H-spiro[benzo[b]-[1,4]oxazepine-2,4'-pipeidine]-1'-carboxylate | 693789-34-3 | C18H26N2O3 |
| 4,5-二氢-3-苯基-2-呋喃酮 | 3-phenyldihydrofuran-2-one | 6836-98-2 | C10H10O2 |
| 4,5-二氢-2-[(2,3-二甲基苯氧基)甲基]-1H-咪唑 | 2-(2,3-dimethyl-phenoxymethyl)-4,5-dihydro-1<i>H</i>-imidazole | 67400-54-8 | C12H16N2O |
| 4,5-二氢-2-(甲硫基)-1H-咪唑-1-羧酸甲酯 | methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate | 60546-77-2 | C6H10N2O2S |
| 4,5-二氢-1H-咪唑-2-磺酸 | 4,5-dihydro-1H-imidazole-2-sulfonic acid | 64205-92-1 | C3H6N2O3S |
| 4,5-二氢-1-[3-(三氟甲基)苯基]-1H-吡唑-3-胺 | 3-amino-1-<3-(trifluoromethyl)phenyl>-2-pyrazoline | 66000-40-6 | C10H10F3N3 |
| 4,5-二氢-1-(4-硝基苯基)-5-氧代-1H-吡唑-3-羧酸 | 4,5-Dihydro-1-(4-nitrophenyl)-5-oxo-1H-pyrazole-3-carboxylic acid | 62084-02-0 | C10H7N3O5 |
| 4,5-二氢-1-(2-羟基乙基)-3-(2-羟基-3-磺酸基丙基)-2-十一烷基-1H-咪唑鎓单钠盐 | 4,5-Dihydro-1-(2-hydroxyethyl)-3-(2-hydroxy-3-sulphonatopropyl)-2-undecyl-1H-imidazolium, monosodium salt | 68039-23-6 | C19H37N2NaO5S |
| 4,5-二氢-1-(2-甲基-4-磺基苯基)-5-氧代-1H-吡唑-3-羧酸 | 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo- | 67939-25-7 | C11H10N2O6S |
| 4,5-二氟-2-溴苯腈 | 2-bromo-4,5-difluorobenzonitrile | 64695-82-5 | C7H2BrF2N |
| 4,5-二氟-1-茚酮 | 4,5-difluoro-1-indanone | 628732-11-6 | C9H6F2O |
| 4,5-二异戊基萘-1-磺酸 | Naphthalenesulfonic acid, dipentyl- | 61702-94-1 | C20H28O3S |
| 4,5-二异丙基-4H-1,2,4-噻唑-3-硫醇 | 4,5-diisopropyl-4H-1,2,4-triazole-3-thiol | 667437-59-4 | C8H15N3S |
| 4,5-二亚甲基-1,3-二氧戊环-2-酮 | 4,5-Dimethylen-1,3-dioxolan-2-on | 62458-20-2 | C5H4O3 |
| 4,5-二乙基吡咯[1,2-a]喹啉 | 4,5-diethyl-pyrrolo[1,2-a]quinoline | 624739-90-8 | C16H17N |
| 4,5-二(羟甲基)-2-苯基-1H-咪唑 | 2-phenyl-4,5-bis(hydroxymethyl)-imidazole | 61698-32-6 | C11H12N2O2 |
| 4,5,9,10-四氮杂菲 | 4,5,9,10-tetra-azaphenanthrene | 653-05-4 | C10H6N4 |
| 4,5,7-三苯基-1,3-二氢-2-苯并呋喃 | 4,5,7-triphenyl-1,3-dihydroisobenzofuran | 61051-02-3 | C26H20O |
| 4,5,7-三甲基茚满 | 4,5,7-trimethylindan | 6682-06-0 | C12H16 |
| 4,5,7-三溴-2-(4,5,7-三溴-3-氧代-1,3-二氢-2H-吲哚-2-亚基)-1,2-二氢-3H-吲哚-3-酮 | 4,5,7-Tribromo-2-(4,5,7-tribromo-3-oxo-1,3-dihydro-2H-indol-2-yli dene)-1,2-dihydro-3H-indol-3-one | 6417-56-7 | C16H4Br6N2O2 |
| 4,5,6-三硝基苯-1,2,3-三胺 | ar,ar,ar-Trinitrobenzenetriamine | 67539-61-1 | C6H6N6O6 |
| 4,5,6-三甲基-2(1H)-嘧啶酮 | 4,5,6-trimethyl-1<i>H</i>-pyrimidin-2-one | 65133-47-3 | C7H10N2O |
| 4,5,6-三溴-2-甲基苯酚 | 4,5,6-tribromo-2-methylphenol | 67081-42-9 | C7H5Br3O |
| 4,5,6-三氨基嘧啶硫酸盐 | 4,5,6-triaminopyrimidine sulfate | 68738-86-3 | C4H7N5*H2O4S |
| 4,5,6,8-四苯基-7-氧杂-4,6-二氮杂螺[2.5]辛烷 | 4,5,6,8-tetraphenyl-7-oxa-4,6-diaza-spiro[2.5]octane | 66145-67-3 | C29H26N2O |
| 4,5,6,7-四苯基-1,3-二氢-2-苯并呋喃 | 1,3-Dihydro-4,5,6,7-tetraphenylisobenzofuran | 61051-01-2 | C32H24O |
| 4,5,6,7-四硝基-1,3-二氢苯并咪唑-2-酮 | 4,5,6,7-tetranitro-2,3-dihydro-1H-benzimidazol-2-one | 62353-29-1 | C7H2N6O9 |
| 4,5,6,7-四氯-1,3-异苯并呋喃二酮与1,2-乙二醇和1,3-异苯并呋喃二酮聚合物 | 2-Benzofuran-1,3-dione;ethane-1,2-diol;4,5,6,7-tetrachloro-2-benzofuran-1,3-dione | 61630-88-4 | C18H10Cl4O8 |
| 4,5,6,7-四氢异恶唑并[5,4-c]吡啶-3(2H)-酮单氢溴酸盐 | 3-hydroxy-4,5,6,7,-tetrahydroisoxazolo<5,4-c>-pyridinium bromide | 65202-63-3 | BrH*C6H8N2O2 |
| 4,5,6,7-四氢异吲哚-1-羧酸乙酯 | ethyl 4,5,6,7-tetrahydro-2H-isoindole-1-carboxylate | 65880-17-3 | C11H15NO2 |
| 4,5,6,7-四氢噻吩并[2,3-c]吡啶 | 4,5,6,7-tetrahydro-thieno[2,3-c]pyridine | 62019-71-0 | C7H9NS |