| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 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 |
| 4,5-二氢环戊并[b]噻吩-6-酮 | 4,5-dihydro-6H-cyclopenta[b]thiophen-6-one | 5650-52-2 | C7H6OS |
| 4,5-二氢恶唑 | 4,5-dihydro-1,3-oxazol | 504-77-8 | C3H5NO |
| 4,5-二氢异苯并呋喃 | 4,5-dihydroisobenzofuran | 503443-47-8 | C8H8O |
| 4,5-二氢-苯并(k)醋菲烯 | 4,5-dihydro-benz[<i>k</i>]acephenanthrylene | 5779-79-3 | C20H14 |
| 4,5-二氢-6-甲基哒嗪-3(2H)-酮 | 4,5-Dihydro-6-methylpyridazin-3(2H)-one | 5157-08-4 | C5H8N2O |
| 4,5-二氢-5-羟基-3-甲基-5-(三氟甲基)异恶唑 | 5-hydroxy-3-methyl-5-trifluoromethyl-4,5-dihydroisoxazole | 51479-84-6 | C5H6F3NO2 |
| 4,5-二氢-5-氧代-3-苯基-1H-吡唑-1-硫代甲酰胺 | 1H-Pyrazole-1-carbothioamide, 4,5-dihydro-5-oxo-3-phenyl- | 58197-04-9 | C10H9N3OS |
| 4,5-二氢-5-(1,2-庚二烯-4,6-二炔-1-基)-2(3H)-呋喃酮 | Nemotin | 502-12-5 | C11H8O2 |
| 4,5-二氢-4-[[4-甲基-3-[(苯基氨基)磺基基]苯基]偶氮]-5-羰基-1-(4-磺酸根苯基)-1H-吡唑-3-羧酸氢钠 | isopropyl undecanoate | 50638-98-7 | C14H28O2 |
| 4,5-二氢-3H-萘并[1,8-Bc]呋喃 | 4,5-dihydro-3H-naphtho<1,8-bc>furan | 5656-61-1 | C11H10O |
| 4,5-二氢-3-(4-吡啶基)-2H-苯并(g)吲唑 | 3-(4-Pyridyl)-4,5-dihydro-1H-benzo[g]indazole | 52837-55-5 | C16H13N3 |
| 4,5-二氢-2-十三烷基-1H-咪唑-1-乙胺 | 2-(2-tridecyl-4,5-dihydro-imidazol-1-yl)-ethylamine | 57151-50-5 | C18H37N3 |
| 4,5-二氢-2-[(2-甲基苯并硝基苯[b]噻吩)甲基]-1H-咪唑盐酸盐 | hydron;2-[(2-methyl-1-benzothiophen-3-yl)methyl]-4,5-dihydro-1H-imidazole;chloride | 5090-37-9 | C13H15ClN2S |
| 4,5-二氢-2-[(2,4,6-三甲基苯基)甲基]-1H-咪唑 | Trimizoline | 54765-26-3 | C13H18N2 |
| 4,5-二氢-2-(1-萘基甲基)-1H-咪唑鎓硝酸盐 | Naphazoline nitrate | 5144-52-5 | C14H14N2*HNO3 |
| 4,5-二氢-1H-异吲哚-1,3(2H)-二酮 | 2-(2,4-Dichlorophenoxy)-1-(1H-imidazol-1-yl)-4,4-dimethylpentan-3-one monohydrochloride | 52130-69-5 | C16H19Cl3N2O2 |
| 4,5-二氢-1,5-二甲基-1H-吡唑 | 1,5-dimethyl-4,5-dihydro-1<i>H</i>-pyrazole | 5775-96-2 | C5H10N2 |
| 4,5-二氢-1,2-恶唑 | 4,5-dihydro-isoxazole | 504-73-4 | C3H5NO |
| 4,5-二亚乙基二硫代-1,3-二硫醇-2-硫酮 | 4,5-Ethylenedithio-1,3-dithiole-2-thione | 59089-89-3 | C5H4S5 |
| 4,5-二乙基-2-羟基苯甲酸 | 4,5-Diethylsalicylsaeure | 58138-55-9 | C11H14O3 |
| 4,5-二乙基-2,4-二氢-1,2,4-噻唑-3-酮 | 4,5-diethyl-2,4-dihydro-[1,2,4]triazol-3-one | 52883-26-8 | C6H11N3O |
| 4,5-二乙基-2,3-二氢-2,3-二甲基呋喃 | 4,5-Diethyl-2,3-dihydro-2,3-dimethylfuran | 54244-89-2 | C10H16O |
| 4,5-二(P-甲氧基苯基)-1H-吡咯-2,3-二甲酸 | 4,5-bis-(4-methoxy-phenyl)-pyrrole-2,3-dicarboxylic acid | 5784-96-3 | C20H17NO6 |
| 4,5-二(2-甲氧基乙氧基)-2-硝基苯甲酸甲酯 | methyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate | 501684-22-6 | C14H19NO8 |
| 4,5-二(1-戊烯基氧基)-2-咪唑烷酮 | 2-Imidazolidinone, 4,5-bis(1-pentenyloxy)- | 5781-51-1 | C13H22N2O3 |
| 4,5-Alpha-环氧- 14 -羟基- 3 -甲氧基- 17-甲基- 呋喃 | noroxycodone | 57664-96-7 | C17H19NO4 |
| 4,5,7-三羟基3,6,8-三甲氧基黄酮 | 5,7,4'-trihydroxy-3,6,8-trimethoxyflavone | 57393-71-2 | C18H16O8 |
| 4,5,7-三羟基3,3,6,8-四甲氧基黄酮 | 5,7,4'-trihydroxy-3,3',6,8-tetramethoxyflavone | 58130-91-9 | C19H18O9 |
| 4,5,7,8,9,10,11,12,13,13alpha-十氢-1H,3H-环丁并[1,11]环十一烷并[1,2-c]呋喃 | 4,5,7,8,9,10,11,12,13,13a-Decahydro-1H,3H-cyclobuta(1,11)cycloundeca(1,2-c)furan | 58946-24-0 | C15H24O |