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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2,3-dihydro-[1]benzothiolo[3,2-b]furan-7-ylsulfonyl)morpholine 107191-29-7 C14H15NO4S2
    4-(2,3-dihydro-[1]benzothiolo[3,2-b]furan-7-ylsulfonyl)morpholine
    —— 4-(2-pyridyl)-pentanol acetic acid ester 89860-40-2 C12H17NO2
    4-(2-pyridyl)-pentanol acetic acid ester
    —— 4,6-dihydro-1H-furo[3,4-c]pyrazole-3-carboxylic acid 949034-59-7 C6H6N2O3
    4,6-dihydro-1H-furo[3,4-c]pyrazole-3-carboxylic acid
    —— 4-(3-amino-4-methoxyphenyl)-6-methoxycoumarin hydrochloride 1560773-42-3 C17H15NO4*ClH
    4-(3-amino-4-methoxyphenyl)-6-methoxycoumarin hydrochloride
    —— 4-[2-hydroxy-3-(2-methoxy-1-oxyethylaminobenzene)propoxy]-2-chlorobenzaldehyde 257284-45-0 C19H22ClNO5
    4-[2-hydroxy-3-(2-methoxy-1-oxyethylaminobenzene)propoxy]-2-chlorobenzaldehyde
    —— (4-hydroxycoumarin-3-yl)(3-indolyl)(3-bromophenyl)methane 1609252-42-7 C24H16BrNO3
    (4-hydroxycoumarin-3-yl)(3-indolyl)(3-bromophenyl)methane
    —— 4-ethoxycarbonylamino-2-hydroxy-benzoyl chloride 647830-44-2 C10H10ClNO4
    4-ethoxycarbonylamino-2-hydroxy-benzoyl chloride
    —— 4-Cyanoxanthotoxin 105245-72-5 C13H7NO4
    4-Cyanoxanthotoxin
    —— 4-(6'-methoxy-2'-naphthyl)-2-ethoxybut-2-ene 63458-21-9 C17H20O2
    4-(6'-methoxy-2'-naphthyl)-2-ethoxybut-2-ene
    —— (4S,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-prop-2-ynoxyoxolan-2-one 1312439-62-5 C14H24O4Si
    (4S,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-prop-2-ynoxyoxolan-2-one
    —— 4-iodo-2-phenyl-1-(toluene-4-sulfonyl)-1H-pyrrole 1308274-08-9 C17H14INO2S
    4-iodo-2-phenyl-1-(toluene-4-sulfonyl)-1H-pyrrole
    —— {(4-Azido-2,3,5,6-tetrafluoro-benzyl)-[2-(2-{2-[5-((3aR,6S,6aS)-2-oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoylamino]-ethoxy}-ethoxy)-ethyl]-amino}-acetic acid methyl ester 887150-34-7 C26H35F4N7O6S
    {(4-Azido-2,3,5,6-tetrafluoro-benzyl)-[2-(2-{2-[5-((3aR,6S,6aS)-2-oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoylamino]-ethoxy}-ethoxy)-ethyl]-amino}-acetic acid methyl ester
    —— 4-amino-5-methyl-7-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile 1350438-21-9 C10H9N5S
    4-amino-5-methyl-7-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile
    —— 4-(6-bromo-4H-1,3-benzodioxin-2-yl)piperidine 1200575-54-7 C13H16BrNO2
    4-(6-bromo-4H-1,3-benzodioxin-2-yl)piperidine
    —— 4-O-(cyclohex-3-en-1-ylmethyl) 1-O-(2-trimethylsilylethyl) butanedioate 148114-13-0 C16H28O4Si
    4-O-(cyclohex-3-en-1-ylmethyl) 1-O-(2-trimethylsilylethyl) butanedioate
    —— 4-Methylthio-7-nitro-benzisothiazol 35272-18-5 C8H6N2O2S2
    4-Methylthio-7-nitro-benzisothiazol
    —— 4-amino-6-oxo-5-azapentacyclo[6.4.0.02,10.03,7.09,11]dodec-4-ene-3,7-dicarbonitrile 107093-69-6 C13H10N4O
    4-amino-6-oxo-5-azapentacyclo[6.4.0.02,10.03,7.09,11]dodec-4-ene-3,7-dicarbonitrile
    —— 4-[1-(3-methylbenzyl)-1,2,3,5-tetrahydro-4H-1,4-benzodiazepin-4-yl]-1H-pyrazolo[3,4-d]pyrimidin-6-amine 1246451-30-8 C22H23N7
    4-[1-(3-methylbenzyl)-1,2,3,5-tetrahydro-4H-1,4-benzodiazepin-4-yl]-1H-pyrazolo[3,4-d]pyrimidin-6-amine
    —— 4-(4-chlorobenzyl)-2-[5-methyl-1-(4-methylbenzyl)-1H-pyrazol-3-yl]-4,5-dihydro-1,3-oxazole 1085452-14-7 C22H22ClN3O
    4-(4-chlorobenzyl)-2-[5-methyl-1-(4-methylbenzyl)-1H-pyrazol-3-yl]-4,5-dihydro-1,3-oxazole
    —— 4-methoxyphenyl 3,4,6-tri-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside 1616860-32-2 C36H36Cl3NO7
    4-methoxyphenyl 3,4,6-tri-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside
    —— 4-acetylamino-<i>N</i>-(2-methoxy-6-methyl-pyrimidin-4-yl)-benzenesulfonamide 36082-41-4 C14H16N4O4S
    4-acetylamino-<i>N</i>-(2-methoxy-6-methyl-pyrimidin-4-yl)-benzenesulfonamide
    —— 4,4',6',6-Tetraethoxy-dipyrimidinyl-(2)-amin 21878-31-9 C16H23N5O4
    4,4',6',6-Tetraethoxy-dipyrimidinyl-(2)-amin
    —— 4-Methyl-2,5-diphenylthiophen-3(2H)-on-1,1-dioxid 38532-98-8 C17H14O3S
    4-Methyl-2,5-diphenylthiophen-3(2H)-on-1,1-dioxid
    —— (4R,5S,4'R)-5-(Bis-benzylsulfanyl-methyl)-2,2'-diphenyl-[4,4']bi[[1,3]dioxolanyl] 40592-03-8 C33H32O4S2
    (4R,5S,4'R)-5-(Bis-benzylsulfanyl-methyl)-2,2'-diphenyl-[4,4']bi[[1,3]dioxolanyl]
    —— 4-Acetamido-5,6-bis-(5-nitro-2-furyl)furo<2,3-d>pyrimidine 24386-20-7 C16H9N5O8
    4-Acetamido-5,6-bis-(5-nitro-2-furyl)furo<2,3-d>pyrimidine
    —— 4',4''-Dimethyl-2-nitrotriphenylamin 28458-90-4 C20H18N2O2
    4',4''-Dimethyl-2-nitrotriphenylamin
    —— 4,9,4',9'-tetramethoxy-7,7'-dimethyl-6,6'-(2-oxa-propane-1,3-diyl)-bis-furo[3,2-<i>g</i>]chromen-5-one 37827-37-5 C30H26O11
    4,9,4',9'-tetramethoxy-7,7'-dimethyl-6,6'-(2-oxa-propane-1,3-diyl)-bis-furo[3,2-<i>g</i>]chromen-5-one
    —— 4-{[4,5-dimethoxy-2-(4-methyl-pyridin-2-ylsulfamoyl)-phenyl]-acetyl}-morpholine 57892-84-9 C20H25N3O6S
    4-{[4,5-dimethoxy-2-(4-methyl-pyridin-2-ylsulfamoyl)-phenyl]-acetyl}-morpholine
    —— [4-methoxy-6-(4-nitro-phenyl)-[1,3,5]triazin-2-yl]-dimethyl-amine 42010-45-7 C12H13N5O3
    [4-methoxy-6-(4-nitro-phenyl)-[1,3,5]triazin-2-yl]-dimethyl-amine
    —— (4-butoxy-7-nitro-2-oxo-1-phenyl-1,2-dihydro-quinolin-3-yl)-acetic acid 32438-55-4 C21H20N2O6
    (4-butoxy-7-nitro-2-oxo-1-phenyl-1,2-dihydro-quinolin-3-yl)-acetic acid
    —— 4-(4-Nitro-phenylazomethylen)-4H-1-benzothiopyran 23619-54-7 C22H15N3O2S
    4-(4-Nitro-phenylazomethylen)-4H-1-benzothiopyran
    —— 4-pyridin-4-yl-3,5,10-triaza-tricyclo[6.3.1.0<SP>2,7</SP>]dodeca-2(7),3,5-triene 833459-43-1 C14H14N4
    4-pyridin-4-yl-3,5,10-triaza-tricyclo[6.3.1.0<SP>2,7</SP>]dodeca-2(7),3,5-triene
    —— 4,12,18,26,29,37-Hexaoxa-7,8,9,14,16,21,22,23,32,33,34,41-dodecazaheptacyclo[13.13.9.13,27.16,9.113,17.121,24.131,34]dotetraconta-1(28),2,6(42),7,13,15,17(41),22,24(40),27(39),31(38),32-dodecaene 1053245-42-3 C24H24N12O6
    4,12,18,26,29,37-Hexaoxa-7,8,9,14,16,21,22,23,32,33,34,41-dodecazaheptacyclo[13.13.9.13,27.16,9.113,17.121,24.131,34]dotetraconta-1(28),2,6(42),7,13,15,17(41),22,24(40),27(39),31(38),32-dodecaene
    —— 4-(4-tert-Butyl-phenyl)-1,7-bis-(tetrahydro-pyran-2-yloxy)-hepta-2,5-diyn-4-ol 204578-51-8 C27H36O5
    4-(4-tert-Butyl-phenyl)-1,7-bis-(tetrahydro-pyran-2-yloxy)-hepta-2,5-diyn-4-ol
    —— 4-(6-(2-chloro-6-fluorophenyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)-3-methylbenzenesulfonamide 1612288-73-9 C19H14ClFN4O2S
    4-(6-(2-chloro-6-fluorophenyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)-3-methylbenzenesulfonamide
    —— 4-(N-carboxymethylsulfamyl)benzenediazonium tetrafluoroborate 100689-74-5 BF4*C8H8N3O4S
    4-(N-carboxymethylsulfamyl)benzenediazonium tetrafluoroborate
    —— 4-[2-(1-acetyl-2-{3-hydroxy-4-[4-(phenylethynyl)phenyl]butyl}hydrazino)ethyl]benzoic acid 841234-59-1 C29H30N2O4
    4-[2-(1-acetyl-2-{3-hydroxy-4-[4-(phenylethynyl)phenyl]butyl}hydrazino)ethyl]benzoic acid
    —— (4aR)-3-[(4-{[(tert-butoxycarbonyl)amino]methyl}-4'-chloro-[1,1'-biphenyl]-2-yl)methyl]-2,3,4,4a,5,6-hexahydro-1H-pyrazino[1,2-a]quinoline-8-carboxylic acid 1053265-99-8 C32H36ClN3O4
    (4aR)-3-[(4-{[(tert-butoxycarbonyl)amino]methyl}-4'-chloro-[1,1'-biphenyl]-2-yl)methyl]-2,3,4,4a,5,6-hexahydro-1H-pyrazino[1,2-a]quinoline-8-carboxylic acid
    —— 4-(3,4-Difluorobenzyl)-5-ethyl-3-methyl-1-(2-chloro-4-bromo)phenylimidazo[4,5-c]pyrazole 221091-24-3 C20H16BrClF2N4
    4-(3,4-Difluorobenzyl)-5-ethyl-3-methyl-1-(2-chloro-4-bromo)phenylimidazo[4,5-c]pyrazole
    —— 4-fluoro-2-iodo-N-[[4-(trifluoromethyl)phenyl]methyl]aniline 1515182-55-4 C14H10F4IN
    4-fluoro-2-iodo-N-[[4-(trifluoromethyl)phenyl]methyl]aniline
    —— 4-methylcyclohexyl hydroquinone 121259-85-6 C13H18O2
    4-methylcyclohexyl hydroquinone
    —— 4-trifluoromethyl-4'-methylthiobenzophenone 197439-34-2 C15H11F3OS
    4-trifluoromethyl-4'-methylthiobenzophenone
    —— 4-Oxo-6-cyclohexyltetralin-1-carbonsaeure 31689-82-4 C17H20O3
    4-Oxo-6-cyclohexyltetralin-1-carbonsaeure
    —— [(4S,5S)-5-(2-Methyl-[1,3]dioxolan-2-ylmethyl)-1,3,4,5-tetrahydro-benzo[cd]indol-4-yl]-carbamic acid methyl ester 74323-16-3 C18H22N2O4
    [(4S,5S)-5-(2-Methyl-[1,3]dioxolan-2-ylmethyl)-1,3,4,5-tetrahydro-benzo[cd]indol-4-yl]-carbamic acid methyl ester
    —— 4-amino-1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-[(1S)-1-hydroxyethyl]-3-methyloxolan-2-yl]pyrimidin-2-one 1246254-97-6 C11H17N3O5
    4-amino-1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-[(1S)-1-hydroxyethyl]-3-methyloxolan-2-yl]pyrimidin-2-one
    —— 4-(3-{[3-(t-butoxycarbonylaminomethyl)-4-cyanophenylamino]-[2-fluoro-5-methoxy-3-(2-triisopropylsilanyloxyethoxy)phenyl]methyl}-5-oxo-4,5-dihydro-[1,2,4]triazol-1-yl)thiazole-5-carboxylic acid methyl ester 1134560-11-4 C39H52FN7O8SSi
    4-(3-{[3-(t-butoxycarbonylaminomethyl)-4-cyanophenylamino]-[2-fluoro-5-methoxy-3-(2-triisopropylsilanyloxyethoxy)phenyl]methyl}-5-oxo-4,5-dihydro-[1,2,4]triazol-1-yl)thiazole-5-carboxylic acid methyl ester
    —— 4-[3-(isopropylcarbamoylmethyl)-2-(3-methoxyphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl]perhydro-1,4-diazepine-1-carboxylic acid tert-butyl ester 1012784-34-7 C30H39N5O5
    4-[3-(isopropylcarbamoylmethyl)-2-(3-methoxyphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl]perhydro-1,4-diazepine-1-carboxylic acid tert-butyl ester
    —— 4-[2-(2-ethoxycarbonyl-ethyl)-3-[6-(5-ethoxy-4'-fluoro-biphenyl-3-yloxy)-hexyl]-phenoxy]-butyric acid ethyl ester 1246206-47-2 C37H47FO7
    4-[2-(2-ethoxycarbonyl-ethyl)-3-[6-(5-ethoxy-4'-fluoro-biphenyl-3-yloxy)-hexyl]-phenoxy]-butyric acid ethyl ester
    —— 4-[3-[6-(3-acetyl-5-(2,3-dihydro-benzo[1,4]-dioxin-6-yl)-phenoxy)-hexyl]-2-(2-ethoxycarbonyl-ethyl)-phenoxy]-butyric acid ethyl ester 1246206-67-6 C39H48O9
    4-[3-[6-(3-acetyl-5-(2,3-dihydro-benzo[1,4]-dioxin-6-yl)-phenoxy)-hexyl]-2-(2-ethoxycarbonyl-ethyl)-phenoxy]-butyric acid ethyl ester
    —— 4-acetoxymethyl-O2',O3',O5'-triacetyl-uridine 63592-92-7 C18H22N2O11
    4-acetoxymethyl-O2',O3',O5'-triacetyl-uridine