| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-(2-(2-氧代亚丙基)肼基)苯甲酸 | 4-(2-(2-Oxopropylidene)hydrazinyl)benzoic acid | 57965-40-9 | C10H10N2O3 |
| 4-(2,6-二氯苄氧基)-3-乙氧基苯甲醛 | 4-[(2,6- dichlorophenyl)methoxy]-3- ethoxybenzaldehyde | 568556-77-4 | C16H14Cl2O3 |
| 4-(2,6-二氯环己烯-1-基)吗啉 | 4-(1,3-dichlorocyclohex-1-en-2-yl)morpholine | 54494-82-5 | C10H15Cl2NO |
| 4-(2,6-二氯异烟酰)吗啉 | (2,6-dichloropyridin-4-yl)(morpholino)methanone | 57803-44-8 | C10H10Cl2N2O2 |
| 4-(2,6-二氯-4-嘧啶)吗啉 | 4-(2,6-dichloropyrimidin-4-yl)morpholine | 52127-83-0 | C8H9Cl2N3O |
| 4-(2,6-二丁氧基异烟酰)吗啉 | 4-(2,6-Di-n-butoxyisonicotinoyl)-morpholin | 57803-47-1 | C18H28N2O4 |
| 4-(2,6,6三甲基-1-环己烯-1-基)-3-丁烯-2-醇乙酸酯 | 3-Buten-2-ol, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, acetate | 52210-18-1 | C15H24O2 |
| 4-(2,5-二羟基苯基)-4-氧代丁酸 | 4-(2,5-dihydroxyphenyl)-4-oxobutanoic acid | 59701-65-4 | C10H10O5 |
| 4-(2,5-二甲基-苯基)-4-羰基-丁酸 | 3-(2,5-dimethylbenzoyl)propionic acid | 5394-59-2 | C12H14O3 |
| 4-(2,5-二甲基-1H-吡咯-1-基)苯甲酸乙酯 | ethyl 4-(2,5-dimethyl-1H-pyrrol-1-yl)benzoate | 5159-70-6 | C15H17NO2 |
| 4-(2,5-二氯苯基)-4-氧代丁酸 | 4-(2,5-dichlorophenyl)-4-oxobutanoic acid | 52240-14-9 | C10H8Cl2O3 |
| 4-(2,5-二氧代吡咯烷-1-基)苯磺酰胺 | <i>N</i>,<i>N</i>-succinyl-sulfanilic acid amide | 5470-06-4 | C10H10N2O4S |
| 4-(2,5-二氧代-2,5-二氢-吡咯-1-基)-邻苯二甲酸 | 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phthalic acid | 56896-91-4 | C12H7NO6 |
| 4-(2,4-二苯基-2-丁炔基)-1,2-二甲基苯 | 1,2-Dimethyl-4-[1-[(1-phenylethyl)phenyl]ethyl]benzene | 57213-94-2 | C24H26 |
| 4-(2,4-二甲氧基苯甲酰基)吗啉 | 4-(2,4-dimethoxy-benzoyl)-morpholine | 53951-94-3 | C13H17NO4 |
| 4-(2,4-二甲基苯氧基)-N,N-二乙基丁烷-1-胺 | 4-(2,4-dimethylphenoxy)-N,N-diethylbutan-1-amine | 5367-35-1 | C16H27NO |
| 4-(2,4-二特戊基苯氧基)丁胺 | δ-[2,4-di(tert-amyl)phenoxy]butylamine | 51959-14-9 | C20H35NO |
| 4-(2,4-二氯苯甲酰基)-1,3-二甲基-5-羟基吡唑 | 4-(2,4-dichlorobenzoyl)-2,5-dimethyl-1H-pyrazol-3-one | 58010-98-3 | C12H10Cl2N2O2 |
| 4-(2,4-二氯苯氧基)丁酸异丙酯 | Isopropyl 4-(2,4-dichlorophenoxy)butyrate | 51550-63-1 | C13H16Cl2O3 |
| 4-(2,4-二氯苯氧基)丁酸异丁酯 | isobutyl 2,4-dichlorophenoxybutyrate | 51550-64-2 | C14H18Cl2O3 |
| 4-(2,4-二氯苯基)丁烷-1,2-二醇 | 4-(2,4-Dichlorophenyl)butane-1,2-diol | 59363-18-7 | C10H12Cl2O2 |
| 4-(2,4-二氯苯基)-4-氧代丁酸 | 4-(2,4-dichlorophenyl)-4-oxobutanoic acid | 58457-57-1 | C10H8Cl2O3 |
| 4-(2,4-二氯亚苄基)-2-苯基-4H-恶唑-5-酮 | 4-(2,4-dichlorobenzylidene)-2-phenyl-1,3-oxazol-5-one | 57427-81-3 | C16H9Cl2NO2 |
| 4-(2,4-二氟苯基)苯酚 | 4-(2,4-difluorophenyl)-phenol | 59089-68-8 | C12H8F2O |
| 4-(2,4-二氟苯基)-2-氟苯甲酸 | 3,2',4'-trifluoro-biphenyl-4-carboxylic acid | 505082-86-0 | C13H7F3O2 |
| 4-(2,3-环氧基丙基氧基)甲基苯甲酸 | methyl 4-oxiranylmethoxybenzoate | 5535-03-5 | C11H12O4 |
| 4-(2,3-二羟基丙基)-2-乙基-1,4-苯并恶嗪-3-酮 | 4-(2,3-dihydroxy-propyl)-2-ethyl-4<i>H</i>-benzo[1,4]oxazin-3-one | 52042-32-7 | C13H17NO4 |
| 4-(2,3-二氢-2-氧代-1H-苯并咪唑-1-基)哌啶-1-羧酸乙酯 | 4-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-piperidine-1-carboxylic acid ethyl ester | 53786-47-3 | C15H19N3O3 |
| 4-(2,3-二氢-1H-茚)-1,3-噻唑-2-胺 | 2-Amino-4-indan-5-yl-thiazol | 59543-75-8 | C12H12N2S |
| 4-(2,3-二氢-1,4-苯并二氧-6-基)-4-氧丁酸 | 3-(6-<1,4>benzodioxanylcarbonyl)propionic acid | 54557-81-2 | C12H12O5 |
| 4-(2,3,6-三甲基苯基)-3-丁烯-2-酮 | 4-<Pseudocumyl-(3)>-buten-(3)-on-(2) | 56681-06-2 | C13H16O |
| 4-(2,2-二苯基丙烷-4-氧基磺酰基)萘喹啉-1,2-氨苯蝶啶 | 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4-oxo-, ar'-(1-methylethyl)[1,1'-biphenyl]-4-yl ester | 52125-43-6 | C25H20N2O4S |
| 4-(2,2-二甲基丙酰氨基)苯甲酸 | 4-(2,2-dimethylpropionylamino)benzoic acid | 56619-97-7 | C12H15NO3 |
| 4-(2,2-二甲基丙氧基)-3-甲基丁醛 | 4-(2,2-dimethyl-propoxy)-3-methyl-butyraldehyde | 57549-10-7 | C10H20O2 |
| 4-(2,2-二甲基丙基)苯甲醛 | 4-neopentylbenzaldehyde | 52986-52-4 | C12H16O |
| 4-(2,2-二甲基-丙基)-吡啶 | 4-neopentylpyridine | 54813-47-7 | C10H15N |
| 4-(2,2-二氟环丙基)-甲苯 | 1-(2,2-difluorocyclopropyl)-4-methylbenzene | 54672-44-5 | C10H10F2 |
| 4-(2,2,3,6-四甲基环己基)-3-丁烯-2-酮 | 4-(2,2,3,6-tetramethyl-1-cyclohexyl)-3-buten-2-one | 54992-90-4 | C14H24O |
| 4-(2,2,3,3-四甲基丁基)苯酚 | 4-(2,2,3,3-Tetramethylbutyl)phenol | 54932-78-4 | C14H22O |
| 4-(2,2,2-三氟乙酰)苯甲酸 | 4-(trifluoroacetyl)benzoic acid | 58808-59-6 | C9H5F3O3 |
| 4-(2,2,2-三氟乙氧基)苯胺 | 4-(2,2,2,-trifluoroethoxy)aniline | 57946-61-9 | C8H8F3NO |
| 4-(2,2,2-三氟乙氧基)苯甲腈 | 4-(2,2,2-trifluoroethoxy)benzonitrile | 56935-76-3 | C9H6F3NO |
| 4-(2'-甲基-6'-甲氧基-3'-吲哚基)-吡啶 | 4-(2'-methyl-6'-methoxy-3'-indolyl)-pyridine | 52157-84-3 | C15H14N2O |
| 4-(1H-苯并咪唑-2-基)丁酸 | 4-<Benzimidazolyl-(2)>-buttersaeure | 50365-32-7 | C11H12N2O2 |
| 4-(1H-苯并咪唑-2-基)丁腈 | 4-(1<i>H</i>-benzoimidazol-2-yl)-butyronitrile | 51100-91-5 | C11H11N3 |
| 4-(1H-苯并咪唑-1-基)苯胺 | 4-(1H-benzo[d]imidazol-1-yl)aniline | 52708-36-8 | C13H11N3 |
| 4-(1H-苯并咪唑-1-基)丁腈 | 4-(1H-benzo[d]imidazol-1-yl)butanenitrile | 58553-97-2 | C11H11N3 |
| 4-(1H-四唑-5-基甲氧基)苯甲酸 | 4-(2H-Tetrazol-5-ylmethoxy)benzoic acid | 503828-17-9 | C9H8N4O3 |
| 4-(1H-四唑-5-基)-1-四氮烯-1-甲脒 | 4-(1(2)<i>H</i>-tetrazol-5-yl)-tetraz-3-ene-1-carboximidic acid amide | 539-57-1 | C2H6N10 |
| 4-(1H-咪唑-4-基)吡啶 | 4-(1H-imidazol-4-yl)pyridine | 51746-87-3 | C8H7N3 |