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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-ethyl-6-methoxy-8-nitro-5-<m-(trifluoromethyl)phenoxy>quinoline 98509-95-6 C19H15F3N2O4
    4-ethyl-6-methoxy-8-nitro-5-<m-(trifluoromethyl)phenoxy>quinoline
    —— (4R,5R,E)-ethyl 5-hydroxy-6-oxo-4-propylhept-2-enoate 1373820-76-8 C12H20O4
    (4R,5R,E)-ethyl 5-hydroxy-6-oxo-4-propylhept-2-enoate
    —— 4-methoxy-1-indanone-2-carboxylic acid adamantyl ester 1403588-12-4 C21H24O4
    4-methoxy-1-indanone-2-carboxylic acid adamantyl ester
    —— 4-carbomethoxy-3-hydroxy-6-methyl-7-oxabicyclo<4.1.0>hept-3-ene 117370-03-3 C9H12O4
    4-carbomethoxy-3-hydroxy-6-methyl-7-oxabicyclo<4.1.0>hept-3-ene
    —— 4,6-Dicarbomethoxy-2,7-dimethyl-3H-azepin 27525-77-5 C12H15NO4
    4,6-Dicarbomethoxy-2,7-dimethyl-3H-azepin
    —— 4,6-dinitrobenzo[d]isoxazole-3-carbaldehyde N-phenylhydrazone 369389-95-7 C14H9N5O5
    4,6-dinitrobenzo[d]isoxazole-3-carbaldehyde N-phenylhydrazone
    —— 4-Methyl-piperazinosulfonsaeure-phenylester 3855-25-2 C11H16N2O3S
    4-Methyl-piperazinosulfonsaeure-phenylester
    —— 4-(4-chlorobutyl)-4-azatricyclo[5.2.1.0(2,6)]dec-8-en-3,5-dione 1417033-77-2 C13H16ClNO2
    4-(4-chlorobutyl)-4-azatricyclo[5.2.1.0(2,6)]dec-8-en-3,5-dione
    —— 4-Deoxy-4-trifluoroacetamido-3-O-{4-O-(6-deoxy-β-D-glucopyranosyl)-α-D-glucopyranosyl}-D-arabinoside 874789-02-3 C19H30F3NO14
    4-Deoxy-4-trifluoroacetamido-3-O-{4-O-(6-deoxy-β-D-glucopyranosyl)-α-D-glucopyranosyl}-D-arabinoside
    —— 4,7-bis(benzoyloxymethyl)-1,10-phenanthroline 1340599-16-7 C28H20N2O4
    4,7-bis(benzoyloxymethyl)-1,10-phenanthroline
    —— 4-((6-(2,7-dibromo-9-hexyl-9H-fluoren-9-yl)hexyl)oxy)-N-(4-(5-(7-(5-(4-(diphenylamino)phenyl)thiophen-2-yl)benzo[c][1,2,5]thiadiazol-4-yl)thiophen-2-yl)phenyl)-N-phenylaniline 1004510-89-7 C75H64Br2N4OS3
    4-((6-(2,7-dibromo-9-hexyl-9H-fluoren-9-yl)hexyl)oxy)-N-(4-(5-(7-(5-(4-(diphenylamino)phenyl)thiophen-2-yl)benzo[c][1,2,5]thiadiazol-4-yl)thiophen-2-yl)phenyl)-N-phenylaniline
    —— 4-(5-amino-3-trifluoromethyl-1H-1,2,4-triazol-1-yl)-3-fluorotoluene 1158982-10-5 C10H8F4N4
    4-(5-amino-3-trifluoromethyl-1H-1,2,4-triazol-1-yl)-3-fluorotoluene
    —— 4-[5-(3-pyrazolyl)-1,3,4-thiadiazol-2-yl]-1,4-diazabicyclo[3.2.2]nonane 677724-24-2 C12H16N6S
    4-[5-(3-pyrazolyl)-1,3,4-thiadiazol-2-yl]-1,4-diazabicyclo[3.2.2]nonane
    —— 4'-[2-[(2-Methoxyethyl)amino]ethoxy]-3-furanilide Hydrochloride 253339-17-2 C16H20N2O4*ClH
    4'-[2-[(2-Methoxyethyl)amino]ethoxy]-3-furanilide Hydrochloride
    —— 4-(5-hydroxy-2,3-dihydro-benzofuran-6-yl)-2,4-dioxo-butyric acid ethyl ester 106476-01-1 C14H14O6
    4-(5-hydroxy-2,3-dihydro-benzofuran-6-yl)-2,4-dioxo-butyric acid ethyl ester
    —— 4-O-acetyl-2-O-benzoyl-3,6-dideoxy-α-L-xylopyranosyl bromide 130163-52-9 C15H17BrO5
    4-O-acetyl-2-O-benzoyl-3,6-dideoxy-α-L-xylopyranosyl bromide
    —— 4-[(3-Benzyloxyphenyl)amino]-6-methylthiopyrimido[5,4-d]pyrimidine 196613-69-1 C20H17N5OS
    4-[(3-Benzyloxyphenyl)amino]-6-methylthiopyrimido[5,4-d]pyrimidine
    —— 4-iodo-1-<(Z)-4-(trimethylsilyl)-3-butenyl>piperidine 109839-08-9 C12H24INSi
    4-iodo-1-<(Z)-4-(trimethylsilyl)-3-butenyl>piperidine
    —— 4-(4-nitro-1H-benzo[d]imidazol-2-yl)aniline 101237-07-4 C13H10N4O2
    4-(4-nitro-1H-benzo[d]imidazol-2-yl)aniline
    —— (4aR<sup>*</sup>,8aS<sup>*</sup>)-1,2,3,4,4a,7,8,8a-octahydroisoquinol-3-one 122490-38-4 C9H13NO
    (4aR<sup>*</sup>,8aS<sup>*</sup>)-1,2,3,4,4a,7,8,8a-octahydroisoquinol-3-one
    —— 4-(4-chloro-2-methylphenyl)-4-{7-[(methylsulfonyl)methyl]-1H-indol-3-yl}butanonitrile 1202766-76-4 C21H21ClN2O2S
    4-(4-chloro-2-methylphenyl)-4-{7-[(methylsulfonyl)methyl]-1H-indol-3-yl}butanonitrile
    —— 4-((5-Carboxymethyl-4-methyl-2-thiazolyl)thiomethyl)-3-pyridine carboxylic Acid Ethyl Ester 164464-38-4 C15H16N2O4S2
    4-((5-Carboxymethyl-4-methyl-2-thiazolyl)thiomethyl)-3-pyridine carboxylic Acid Ethyl Ester
    —— 4-chloro-7-(N-piperidyl)-2-trifluoromethylquinazoline 219774-03-5 C14H13ClF3N3
    4-chloro-7-(N-piperidyl)-2-trifluoromethylquinazoline
    —— 4-(9-benzyl-fluoren-9-yl)-2-phenyl-4<i>H</i>-oxazol-5-one 71702-94-8 C29H21NO2
    4-(9-benzyl-fluoren-9-yl)-2-phenyl-4<i>H</i>-oxazol-5-one
    —— 4-Adamantyl-(1)-heptan 83659-98-7 C17H30
    4-Adamantyl-(1)-heptan
    —— (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-6b-(2-hydroxy-acetyl)-4a,6a-dimethyl-2-oxo-8-(2-phenoxy-ethyl)-2,4a,4b,5,6,6a,6b,7,8,9,9a,10,10a,10b,11,12-hexadecahydro-8-aza-pentaleno[2,1-a]phenanthrene-9-carboxylic acid ethyl ester 1323943-00-5 C34H41F2NO7
    (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-6b-(2-hydroxy-acetyl)-4a,6a-dimethyl-2-oxo-8-(2-phenoxy-ethyl)-2,4a,4b,5,6,6a,6b,7,8,9,9a,10,10a,10b,11,12-hexadecahydro-8-aza-pentaleno[2,1-a]phenanthrene-9-carboxylic acid ethyl ester
    —— 4-tert-Butyl-1-(2-[1,3]dithian-2-ylidene-ethyl)-cyclohexanol 73262-34-7 C16H28OS2
    4-tert-Butyl-1-(2-[1,3]dithian-2-ylidene-ethyl)-cyclohexanol
    —— 4-Brom-thiophen-3-thiocarbonsaeure-S-p-tolylester 72899-34-4 C12H9BrOS2
    4-Brom-thiophen-3-thiocarbonsaeure-S-p-tolylester
    —— 4-Hydroxy-5-methyl-8-phenyl-quinoline-3-carboxylic acid 73387-99-2 C17H13NO3
    4-Hydroxy-5-methyl-8-phenyl-quinoline-3-carboxylic acid
    —— 4-nitrobenzyl 5-methylthio-3-oxopentanate 213749-38-3 C13H15NO5S
    4-nitrobenzyl 5-methylthio-3-oxopentanate
    —— 4-methyl-N-[3-(4-methylpiperazin-1-yl)-5-(trifluoromethyl)phenyl]-3-[4-(1-methylpyrazol-4-yl)triazol-1-yl]benzamide 1096695-14-5 C26H27F3N8O
    4-methyl-N-[3-(4-methylpiperazin-1-yl)-5-(trifluoromethyl)phenyl]-3-[4-(1-methylpyrazol-4-yl)triazol-1-yl]benzamide
    —— 4-Hydroxy-homophthalsaeureanhydrid 143827-94-5 C9H6O4
    4-Hydroxy-homophthalsaeureanhydrid
    —— 4-<(Aminoacetyl)amino>-5-benzoyl-2-dimethylaminothiazole 72100-86-8 2BrH*C14H16N4O2S
    4-<(Aminoacetyl)amino>-5-benzoyl-2-dimethylaminothiazole
    —— 4-(3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)aniline 1267854-00-1 C13H13N3O
    4-(3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)aniline
    —— (4S)-4-<(2S,3S,5R)-5-<(2R,5S)-5-((1R)-1-Benzyloxymethoxyethyl)-5-ethyltetrahydrofur-2-yl>-5-ethyl-3-methyltetrahydrofur-2-yl>hexan-3-one 131927-96-3 C29H46O5
    (4S)-4-<(2S,3S,5R)-5-<(2R,5S)-5-((1R)-1-Benzyloxymethoxyethyl)-5-ethyltetrahydrofur-2-yl>-5-ethyl-3-methyltetrahydrofur-2-yl>hexan-3-one
    —— 4-(2-Fluoro-benzenesulfonyl)-8-(4-methyl-piperazin-1-yl)-3,4-dihydro-2H-benzo[1,4]oxazine, hydrochloride salt 625393-89-7 C19H22FN3O3S*ClH
    4-(2-Fluoro-benzenesulfonyl)-8-(4-methyl-piperazin-1-yl)-3,4-dihydro-2H-benzo[1,4]oxazine, hydrochloride salt
    —— 4-Methyl-6-<1-hydroxy-2.2.6-trimethyl-cyclohexyl>-hexen-(3)-in-(5)-carbonsaeure-(1) 93542-38-2 C17H26O3
    4-Methyl-6-<1-hydroxy-2.2.6-trimethyl-cyclohexyl>-hexen-(3)-in-(5)-carbonsaeure-(1)
    —— 4-cyclopropyl-2-[2,3-difluoro-6-(tritylamino)phenyl]-1,1,1-trifluorobut-3-yn-2-ol 252580-35-1 C32H24F5NO
    4-cyclopropyl-2-[2,3-difluoro-6-(tritylamino)phenyl]-1,1,1-trifluorobut-3-yn-2-ol
    —— 4,5-diacetoxy-2-pentene 22717-19-7 C9H14O4
    4,5-diacetoxy-2-pentene
    —— (4R,5S)-5-(tert-butyldimethylsilyloxy)-4-methylhept-1-en-3-one 1446120-82-6 C14H28O2Si
    (4R,5S)-5-(tert-butyldimethylsilyloxy)-4-methylhept-1-en-3-one
    —— 4,5'-diamino-4''-nitro(1,1':3',1''-terphenyl)-4',6'-dicarbonitrile 220125-87-1 C20H13N5O2
    4,5'-diamino-4''-nitro(1,1':3',1''-terphenyl)-4',6'-dicarbonitrile
    —— 4,4,4-Trichlor-3-benzamino-buten-1 26208-16-2 C11H10Cl3NO
    4,4,4-Trichlor-3-benzamino-buten-1
    —— 4-{4-chloro-2-[1-(trifluoromethyl)-1H-pyrazol-5-yl]phenoxy}-3-cyano-N-1,3-thiazol-4-ylbenzenesulfonamide 1235399-56-0 C20H11ClF3N5O3S2
    4-{4-chloro-2-[1-(trifluoromethyl)-1H-pyrazol-5-yl]phenoxy}-3-cyano-N-1,3-thiazol-4-ylbenzenesulfonamide
    —— 4-Phenylazo-2-benzylmercapto-Δ2-thiazolinon-(5) 33549-21-2 C16H13N3OS2
    4-Phenylazo-2-benzylmercapto-Δ2-thiazolinon-(5)
    —— 4-Methyl-1-phenyl-2-{[1-phenyl-meth-(E)-ylidene]-amino}-1,4-dihydro-2H-pyrrolo[3,4-b]indol-3-one 33521-28-7 C24H19N3O
    4-Methyl-1-phenyl-2-{[1-phenyl-meth-(E)-ylidene]-amino}-1,4-dihydro-2H-pyrrolo[3,4-b]indol-3-one
    —— 4-[(4-Methylphenyl)methylidene]tricyclo[5.2.1.02,6]deca-2,5-diene 32362-52-0 C18H18
    4-[(4-Methylphenyl)methylidene]tricyclo[5.2.1.02,6]deca-2,5-diene
    —— 4-(2-Cyclohexenyliden)-2-phenyl-5(4H)-oxazolon 68099-98-9 C15H13NO2
    4-(2-Cyclohexenyliden)-2-phenyl-5(4H)-oxazolon
    —— 4-bromo-2-(4-methoxybenzyl)-10-methyl-2H,10H-azepino[3,4-b]indole-1,5-dione 614735-37-4 C21H17BrN2O3
    4-bromo-2-(4-methoxybenzyl)-10-methyl-2H,10H-azepino[3,4-b]indole-1,5-dione
    —— 4-phenylazoxy-NNO-phenyl acetate 82968-98-7 C14H12N2O3
    4-phenylazoxy-NNO-phenyl acetate
    —— 4-bromo-3-(4-chlorophenyl)-1H-isochromen-1-one 118520-82-4 C15H8BrClO2
    4-bromo-3-(4-chlorophenyl)-1H-isochromen-1-one