| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二氨基-1-甲基吡唑 HCL | 1-Methyl-1H-pyrazole-4,5-diamine dihydrochloride | 21616-59-1 | C4H10Cl2N4 |
| 4,5-二氢萘并[1,2-b]噻吩-2-羧酸 | 4,5-dihydronaphthalene[1,2-b]thiophene-2-carboxylic acid | 29179-41-7 | C13H10O2S |
| 4,5-二氢芘-4,5-二醇 | cis-4,5-dihydro-4,5-dihydroxypyrene | 28622-70-0 | C16H12O2 |
| 4,5-二氢硫杂卓 1,1-二氧化物 | 4,5-dihydrothiepine 1,1-dioxide | 29520-87-4 | C6H8O2S |
| 4,5-二氢[3-(4-溴苯基)-5-(羟基甲基)]异噁唑 | (3-(4-bromophenyl)-4,5-dihydroisoxazol-5-yl)methanol | 203634-91-7 | C10H10BrNO2 |
| 4,5-二氢[1,2,5]噁二唑[3,4-f]噌啉-3-羟联 | 7-Oxo-8,9-dihydro-7lambda~5~-[1,2,5]oxadiazolo[3,4-f]cinnoline | 257869-90-2 | C8H6N4O2 |
| 4,5-二氢-7-甲氧基-3-苯基-2-(丙基氨基)-3H-1-苯并氮杂卓单盐酸盐 | 4,5-Dihydro-7-methoxy-3-phenyl-2-n-propylamino-3H-1-benzazepine hydrochloride | 28717-77-3 | C20H25ClN2O |
| 4,5-二氢-6-(1-甲基乙基)-3(2h)-哒嗪酮 | 6-isopropyl-4,5-dihydro-3(2H) pyridazinone | 210230-80-1 | C7H12N2O |
| 4,5-二氢-5-羟基-5,5'-二甲基-[4,4'-联嘧啶]-2,2',6(1H,3H,3'H)-三酮 | 5-hydroxy-6-4'-<5'-methylpyrimidin-2'-one>-dihydrothymine | 20545-93-1 | C10H12N4O4 |
| 4,5-二氢-5-羟基-1-甲基-5-(三氟甲基)吡唑 | 4,5-dihydro-5-hydroxy-1-methyl-5-(trifluoromethyl)pyrazole | 272442-83-8 | C5H7F3N2O |
| 4,5-二氢-5-[(2-丙炔基氧基)甲基]-2(3H)-呋喃酮 | 5-Prop-2-ynyloxymethyl-dihydro-furan-2-one | 27850-25-5 | C8H10O3 |
| 4,5-二氢-4-氧代呋喃[3,2]吡啶 | 5H-furo[3,2-c]pyridin-4-one | 26956-43-4 | C7H5NO2 |
| 4,5-二氢-4-[[2-甲氧基-5-甲基-4-[[2-(磺基氧基)乙基]磺酰基]苯基]偶氮]-5-氧代-1-(4-磺基苯基)-1H-吡唑-3-羧酸 | 4,5-Dihydro-4-((2-methoxy-5-methyl-4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid | 21016-00-2 | C20H20N4O13S3 |
| 4,5-二氢-3H-吡咯-2-羧酸 | Δ<sup>1</sup>-pyrroline-2-carboxylic acid | 2139-03-9 | C5H7NO2 |
| 4,5-二氢-3-(苯基甲基)-5-[(2-丙炔基氧基)甲基]-2(3H)-呋喃酮 | 3-Benzyl-5-prop-2-ynyloxymethyl-dihydro-furan-2-one | 27850-28-8 | C15H16O3 |
| 4,5-二氢-3-(4-氯苯基)-2-((3-甲氧基丙基)氨基)-3H-1-苯并氮杂卓单盐酸盐 | 3H-1-Benzazepine, 4,5-dihydro-3-(p-chlorophenyl)-2-((3-methoxypropyl)amino)-, monohydrochloride | 28717-85-3 | C20H24Cl2N2O |
| 4,5-二氢-2-异丁基噻唑 | 2-(2-Methylpropyl)-2-thiazolin | 26851-79-6 | C7H13NS |
| 4,5-二氢-2-庚基-1H-咪唑-1-乙胺 | 1-(2-aminoethyl)-2-heptyl-4,5-dihydroimidazole | 20513-79-5 | C12H25N3 |
| 4,5-二氢-2-十五烷基-1H-咪唑-1-乙醇 | 2-(2-pentadecyl-4, 5-dihydro-1H-imidazol-1-yl)ethanol | 21631-87-8 | C20H40N2O |
| 4,5-二氢-2-十五烷基-1H-咪唑-1-乙胺 | EPI | 20513-80-8 | C20H41N3 |
| 4,5-二氢-2-丙基噻唑 | 2-propyl-4,5-dihydrothiazole | 23185-09-3 | C6H11NS |
| 4,5-二氢-2-[[2-异丙基-5-甲基苯氧基]甲基]-1H-咪唑单盐酸盐 | hydrochloride salt of tymazoline | 28120-03-8 | C14H20N2O*ClH |
| 4,5-二氢-2-(6-羟基-2-苯并噻唑)-4-噻唑羧酸 | luciferin | 20240-21-5 | C11H8N2O3S2 |
| 4,5-二氢-2-(1-哌啶基)-3-呋喃甲腈 | 4,5-dihydro-2-(1-piperidinyl)-3-furancarbonitrile | 203569-63-5 | C10H14N2O |
| 4,5-二氢-2,3-二甲基-噻唑鎓碘化物(1:1) | 2,3-dimethylthiazolinium iodide | 26934-29-2 | C5H10NS*I |
| 4,5-二氢-1,3-苯并二氧-6-胺 | 1,3-benzodioxine-6-amine | 22791-64-6 | C8H9NO2 |
| 4,5-二氢-1,3-噁唑-2-胺 | 4,5-dihydro-oxazol-2-ylamine | 24665-93-8 | C3H6N2O |
| 4,5-二氢-1,3-二甲基-4-(2-丙炔基)-1H-吡唑并[3,4-b][1,4]苯并氧氮杂卓 | 1,3-dimethyl-4-prop-2-ynyl-4,5-dihydro-1<i>H</i>-benzo[<i>f</i>]pyrazolo[3,4-<i>b</i>][1,4]oxazepine | 22086-98-2 | C15H15N3O |
| 4,5-二氢-1,2,4-三唑-3-硫酮 | 1,2,4-Triazol-3-thiol | 22524-99-8 | C2H3N3S |
| 4,5-二氟吲哚 | 4,5-difluoro-1H-indole | 247564-63-2 | C8H5F2N |
| 4,5-二氟-2-羟基苯甲酸 | 4,5-difluoro-2-hydroxybenzoic acid | 205533-31-9 | C7H4F2O3 |
| 4,5-二氟-2-硝基苯甲酸 | 4,5-difluoro-2-nitrobenzoic acid | 20372-63-8 | C7H3F2NO4 |
| 4,5-二氟-2-甲氧基苯酚 | 4,5-difluoro-2-methoxyphenol | 246029-17-4 | C7H6F2O2 |
| 4,5-二氟-2-(三甲基甲硅基)苯基三氟甲磺酸酯 | 4,5-di-fluoro-2-(trimethylsilyl)phenyl trifluoromethanesulfonate | 217813-00-8 | C10H11F5O3SSi |
| 4,5-二氟-2-(三氟甲基)苯甲酰胺 | 4,5-Difluoro-2-(trifluoromethyl)benzamide | 261944-97-2 | C8H4F5NO |
| 4,5-二异丙基-2,7-辛烷二酮 | 4,5-diisopropyl-octane-2,7-dione | 29210-63-7 | C14H26O2 |
| 4,5-二乙炔基-2-甲氧基苯酚 | 4,5-diethynyl-2-methoxyphenol | 269086-09-1 | C11H8O2 |
| 4,5-二乙氧基咪唑烷-2-酮 | 4,5-Diethoxy-2-oxo-imidazolidin | 24044-29-9 | C7H14N2O3 |
| 4,5-二乙基-4H-1,2,4-三唑-3-硫醇 | 4,5-diethyl-4H-1,2,4-triazole-3-thiol | 29448-78-0 | C6H11N3S |
| 4,5-alpha-环氧-3-甲氧基-17-甲基-吗喃-8-beta-醇乙酸酯 | 8β-acetoxy-4,5α-epoxy-3-methoxy-17-methyl-morphinane | 2202-08-6 | C20H25NO4 |
| 4,5,9,10-四氢芘-2,7-二羧酸 | 4,5,9,10-tetrahydropyrene-2,7-dicarboxylic acid | 244789-60-4 | C18H14O4 |
| 4,5,8-三甲基-3,4-二氢-2H-1,4-苯并恶嗪-6,7-二酮 | 4,5,8-trimethyl-3,4-dihydro-2<i>H</i>-benzo[1,4]oxazine-6,7-dione | 29441-77-8 | C11H13NO3 |
| 4,5,7-邻乙酰基-2,6-酐-3-脱氧-d-lyxo-2-庚烯腈 | hepta-O-acetyl-α-laminarabiosyl bromide | 23202-66-6 | C26H35BrO17 |
| 4,5,7-三甲基-1-四氢萘酮 | 4,5,7-Trimethyl-1,2,3,4-tetrahydronaphthalin-1-on | 27410-97-5 | C13H16O |
| 4,5,7-三氯喹啉 | 4,5,7-trichloroquinoline | 23834-01-7 | C9H4Cl3N |
| 4,5,7,8-四羟基萘-1,2-二酮 | 4,5,7,8-tetrahydroxynaphthalene-1,2-dione | 2473-16-7 | C10H6O6 |
| 4,5,6-三羟基苯-1,3-二羧酸 | 4,5,6-trihydroxyisophthalic acid | 27163-60-6 | C8H6O7 |
| 4,5,6-三羟基-2-氧代-7-膦酰氧基庚酸 | 2-dehydro-3-deoxy-7-phosphono-D-arabino-heptanoic acid | 2627-73-8 | C7H13O10P |
| 4,5,6-三甲基嘧啶 | 4,5,6-Trimethylpyrimidin | 22868-79-7 | C7H10N2 |
| 4,5,6-三氯愈创木酚 | 4,5,6-trichloroguaiacol | 2668-24-8 | C7H5Cl3O2 |