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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Pregnen-3β,6β,20β-triol 94969-42-3 C21H34O3
    4-Pregnen-3β,6β,20β-triol
    —— 4-phenyl-benzophenone-seqtrans-oxime 75158-96-2 C19H15NO
    4-phenyl-benzophenone-seqtrans-oxime
    —— 4-(tert-butyl(dimethyl)silanyloxy)-2-((6-chloropyridin-3-yl)methyl)butyric acid phenyl ester 658057-65-9 C22H30ClNO3Si
    4-(tert-butyl(dimethyl)silanyloxy)-2-((6-chloropyridin-3-yl)methyl)butyric acid phenyl ester
    —— 4-chloro-6-[(2-methylsulfanylphenyl)hydrazinylidene]cyclohexa-2,4-dien-1-one 140161-63-3 C13H11ClN2OS
    4-chloro-6-[(2-methylsulfanylphenyl)hydrazinylidene]cyclohexa-2,4-dien-1-one
    —— 4-Trifluoromethyl-benzoic acid 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-henicosafluoro-dodecyl ester 136083-43-7 C20H8F24O2
    4-Trifluoromethyl-benzoic acid 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-henicosafluoro-dodecyl ester
    —— 4-benzyl-2-(4-nitrophenyl)-5-phenyl-4,5-dihydrooxazole 1429616-06-7 C22H18N2O3
    4-benzyl-2-(4-nitrophenyl)-5-phenyl-4,5-dihydrooxazole
    —— 4-methyl-N-[2,2,2-trichloro-1-[2-[2,2,2-trichloro-1-[(4-methylphenyl)sulfonylamino]ethoxy]ethoxy]ethyl]benzenesulfonamide 130868-85-8 C20H22Cl6N2O6S2
    4-methyl-N-[2,2,2-trichloro-1-[2-[2,2,2-trichloro-1-[(4-methylphenyl)sulfonylamino]ethoxy]ethoxy]ethyl]benzenesulfonamide
    —— (4,4-Diphenyl-3-triphenylsilanyloxy-but-3-en-1-ynyl)-diphenyl-amine 57694-74-3 C46H35NOSi
    (4,4-Diphenyl-3-triphenylsilanyloxy-but-3-en-1-ynyl)-diphenyl-amine
    —— (4aS,6R,7S,8S,8aR)-7,8-Bis-benzyloxy-6-benzyloxymethyl-4a-hydroxy-3-methyl-hexahydro-pyrano[3,2-b]pyran-2-one 240415-60-5 C31H34O7
    (4aS,6R,7S,8S,8aR)-7,8-Bis-benzyloxy-6-benzyloxymethyl-4a-hydroxy-3-methyl-hexahydro-pyrano[3,2-b]pyran-2-one
    —— 4-(2-bromo-5-isopropoxybenzyl)-1-[2-(2-chlorophenyl)ethyl]piperidine 391955-87-6 C23H29BrClNO
    4-(2-bromo-5-isopropoxybenzyl)-1-[2-(2-chlorophenyl)ethyl]piperidine
    —— 4-chloro-5-methyl-3-oxo-3<i>H</i>-isoxazole-2-carboxylic acid 2,4-dichloro-<i>N</i>-isopropyl-anilide 53706-89-1 C14H13Cl3N2O3
    4-chloro-5-methyl-3-oxo-3<i>H</i>-isoxazole-2-carboxylic acid 2,4-dichloro-<i>N</i>-isopropyl-anilide
    —— 4-(3-((4-methoxyphenyl)sulfinyl)pyridin-4-yl)benzonitrile 1309446-66-9 C19H14N2O2S
    4-(3-((4-methoxyphenyl)sulfinyl)pyridin-4-yl)benzonitrile
    —— 4-Chloro-benzoic acid N'-(3,4-dichloro-phenyl)-hydrazide 36590-39-3 C13H9Cl3N2O
    4-Chloro-benzoic acid N'-(3,4-dichloro-phenyl)-hydrazide
    —— (4R,5S)-1-tert-butoxycarbonyl-4-tert-butyl-(5-tert-butyldimethylsilyloxymethyl)pyrrolidin-2-one 410097-23-3 C20H39NO4Si
    (4R,5S)-1-tert-butoxycarbonyl-4-tert-butyl-(5-tert-butyldimethylsilyloxymethyl)pyrrolidin-2-one
    —— 4-{6-(5-fluoro-2-methylphenoxy)-8-[(3,3,3-trifluoropropyl)amino]imidazo[1,2-a]pyridin-3-yl}-2-methylbenzoic acid 1402595-36-1 C25H21F4N3O3
    4-{6-(5-fluoro-2-methylphenoxy)-8-[(3,3,3-trifluoropropyl)amino]imidazo[1,2-a]pyridin-3-yl}-2-methylbenzoic acid
    —— 4-[4-[3-[(5-chloro-1,3-benzothiazol-2-yl)sulfanyl]propoxy]phenyl]sulfonyl-N-hydroxyoxane-4-carboxamide 476183-00-3 C22H23ClN2O6S3
    4-[4-[3-[(5-chloro-1,3-benzothiazol-2-yl)sulfanyl]propoxy]phenyl]sulfonyl-N-hydroxyoxane-4-carboxamide
    —— 4-[(R)-(3-aminophenyl)[4-(cyclopropylmethyl)-1-piperazinyl]methyl]-N,N-diethyl-benzamide 691878-45-2 C26H36N4O
    4-[(R)-(3-aminophenyl)[4-(cyclopropylmethyl)-1-piperazinyl]methyl]-N,N-diethyl-benzamide
    —— 4-bromo-5-methyl-1H-pyrazolo[3,4-c]pyridine 1382848-65-8 C7H6BrN3
    4-bromo-5-methyl-1H-pyrazolo[3,4-c]pyridine
    —— 4-[(3-Amino-3-oxopropyl)amino]-2-chloro-5-nitrobenzoic acid 1380840-36-7 C10H10ClN3O5
    4-[(3-Amino-3-oxopropyl)amino]-2-chloro-5-nitrobenzoic acid
    —— 4-{6-[4-(benzyloxy)phenoxy]-8-[(3,3,3-trifluoropropyl)amino]imidazo[1,2-a]pyridin-3-yl}-N-cyclopropyl-2-methylbenzamide 1402594-42-6 C34H31F3N4O3
    4-{6-[4-(benzyloxy)phenoxy]-8-[(3,3,3-trifluoropropyl)amino]imidazo[1,2-a]pyridin-3-yl}-N-cyclopropyl-2-methylbenzamide
    —— 4-phenyl-2-(toluene-4-sulfonylmethyl)-thiazole 54971-65-2 C17H15NO2S2
    4-phenyl-2-(toluene-4-sulfonylmethyl)-thiazole
    —— 4-(1,4-dihydro-4,4,6-trimethylpyrimidin-2-ylthio)-tetrahydro-4,6,6-trimethylpyrimidine-2(1H)-thione 69169-55-7 C14H24N4S2
    4-(1,4-dihydro-4,4,6-trimethylpyrimidin-2-ylthio)-tetrahydro-4,6,6-trimethylpyrimidine-2(1H)-thione
    —— 4-(3-biphenylyl)-2'-nitrobiphenyl 78486-91-6 C24H17NO2
    4-(3-biphenylyl)-2'-nitrobiphenyl
    —— 4-Isopropyliden-2-styryl-5-oxazolon 22739-27-1 C14H13NO2
    4-Isopropyliden-2-styryl-5-oxazolon
    —— 4-(2-(3,5-dimethylisoxazol-4-yl)-5-methyl-4-(2-methylprop-1-enyl)-1H-pyrrol-3-yl)phenol 1289206-34-3 C20H22N2O2
    4-(2-(3,5-dimethylisoxazol-4-yl)-5-methyl-4-(2-methylprop-1-enyl)-1H-pyrrol-3-yl)phenol
    —— (4-Chloro-4b,10-dihydro-9H-indeno[1,2-a]inden-9a-ylmethyl)-dimethyl-amine 41134-59-2 C19H20ClN
    (4-Chloro-4b,10-dihydro-9H-indeno[1,2-a]inden-9a-ylmethyl)-dimethyl-amine
    —— (4S,5S)-4-(3,5-difluorobenzyl)-5-((R)-2-benzhydryl-8-(triisopropylsilyloxy)-1,2,3,4-tetrahydroisoquinolin-3-yl)oxazolidin-2-one 1034606-99-9 C41H48F2N2O3Si
    (4S,5S)-4-(3,5-difluorobenzyl)-5-((R)-2-benzhydryl-8-(triisopropylsilyloxy)-1,2,3,4-tetrahydroisoquinolin-3-yl)oxazolidin-2-one
    —— (4R,5R)-4-((S)-4-(benzyloxy)-3-methylbutyl)-2,2,5-trimethyl-1,3-dioxane 1123785-45-4 C19H30O3
    (4R,5R)-4-((S)-4-(benzyloxy)-3-methylbutyl)-2,2,5-trimethyl-1,3-dioxane
    —— 4,4-dimethyl-1-(4-methylphenyl)-2-(adamantan-2-yl)-1,2-diazetidin-3-one 1224512-37-1 C21H28N2O
    4,4-dimethyl-1-(4-methylphenyl)-2-(adamantan-2-yl)-1,2-diazetidin-3-one
    —— 4,4-difluorobicyclo<3.2.1>octa-2,6-diene 102968-87-6 C8H8F2
    4,4-difluorobicyclo<3.2.1>octa-2,6-diene
    —— 4-semicarbazone-3(S)-[2-(2-oxo-5-phenyl-3(R)-(4-chloro-2-methylphenylcarbamoyloxymethyl)-2,3-dihydro-benzo[e][1,4]diazepin-1-yl)acetylamino]butyric acid tert-butyl ester 896746-97-7 C35H38ClN7O7
    4-semicarbazone-3(S)-[2-(2-oxo-5-phenyl-3(R)-(4-chloro-2-methylphenylcarbamoyloxymethyl)-2,3-dihydro-benzo[e][1,4]diazepin-1-yl)acetylamino]butyric acid tert-butyl ester
    —— 4-(Cp(PPh3)2Ru(C.tplbond.C))-2-PhC9H5N 189949-82-4 C58H45NP2Ru
    4-(Cp(PPh3)2Ru(C.tplbond.C))-2-PhC9H5N
    —— 4-nitro-2-pyrrolidin-1-ylpyridine-1-oxide 35981-61-4 C9H11N3O3
    4-nitro-2-pyrrolidin-1-ylpyridine-1-oxide
    —— 4-n-Butylthio-2-sulfolene 53381-56-9 C8H14O3S
    4-n-Butylthio-2-sulfolene
    —— 4-Aethyl-2,2-dimethyl-tetrahydro-thiopyran-4-ol 42528-07-4 C9H18OS
    4-Aethyl-2,2-dimethyl-tetrahydro-thiopyran-4-ol
    —— 4,7-dimethoxy-1,10-bis(4-nitrophenyl)-4,7-diphenyldeca-2,5,8-triyne-1,10-diol 1610475-38-1 C36H28N2O8
    4,7-dimethoxy-1,10-bis(4-nitrophenyl)-4,7-diphenyldeca-2,5,8-triyne-1,10-diol
    —— (4E)-2,3,5-triethyl-4-ethylidene-3a,4-dihydro-6-phenylpentalen-1-(6aH)one 1001196-98-0 C22H26O
    (4E)-2,3,5-triethyl-4-ethylidene-3a,4-dihydro-6-phenylpentalen-1-(6aH)one
    —— 4R,5S(5Z),6R(1S)-7-[4-Phenyl-6-(N-morpholinomethyl)-2-oxabicyclo[2.2.1]heptan-5-yl]-5-heptenoic acid methyl ester 130386-18-4 C25H35NO4
    4R,5S(5Z),6R(1S)-7-[4-Phenyl-6-(N-morpholinomethyl)-2-oxabicyclo[2.2.1]heptan-5-yl]-5-heptenoic acid methyl ester
    —— ((4aR,6S,7S,9aR)-7-Hydroxy-decahydro-4a,7-methano-benzocyclohepten-6-yl)-acetic acid methyl ester 137204-77-4 C15H24O3
    ((4aR,6S,7S,9aR)-7-Hydroxy-decahydro-4a,7-methano-benzocyclohepten-6-yl)-acetic acid methyl ester
    —— 4-[3-(4-methoxy-phenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6-ylamino]-N,N-dimethyl-benzamide 882983-92-8 C25H22N6O2
    4-[3-(4-methoxy-phenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6-ylamino]-N,N-dimethyl-benzamide
    —— 4-O-Acetyl-2-C-acetyl-1,5-anhydro-2,3,6-trideoxy-3-N-acetamido-L-ribo-hex-1-enitol 146579-17-1 C12H17NO5
    4-O-Acetyl-2-C-acetyl-1,5-anhydro-2,3,6-trideoxy-3-N-acetamido-L-ribo-hex-1-enitol
    —— 4-((1R,5S,6R)-1-Methyl-2,7-dioxa-bicyclo[3.2.0]hept-3-en-6-yl)-benzonitrile 141945-99-5 C13H11NO2
    4-((1R,5S,6R)-1-Methyl-2,7-dioxa-bicyclo[3.2.0]hept-3-en-6-yl)-benzonitrile
    —— 4-((E)-3-Furan-3-yl-allyl)-2,2-dimethyl-[1,3]dioxolane 148239-49-0 C12H16O3
    4-((E)-3-Furan-3-yl-allyl)-2,2-dimethyl-[1,3]dioxolane
    —— (4R,5S)-5-[(2R,4R)-5-(tert-butyldiphenylsilyloxy)-4-(triethylsilyloxy)pent-2-yl]-2,2-dimethyl-1,3-dioxolane-4-carboxylic acid N-methoxy-N-methylamide 922516-88-9 C35H57NO6Si2
    (4R,5S)-5-[(2R,4R)-5-(tert-butyldiphenylsilyloxy)-4-(triethylsilyloxy)pent-2-yl]-2,2-dimethyl-1,3-dioxolane-4-carboxylic acid N-methoxy-N-methylamide
    —— 4-methyl-1,2-bis-(4-nitro-benzoyloxy)-hexane 113059-02-2 C21H22N2O8
    4-methyl-1,2-bis-(4-nitro-benzoyloxy)-hexane
    —— (4S,5R,6R,7S,8R,9R,10S,11R)-11-hydroxy-5,7,9-trimethoxy-4,6,8,10-tetramethyl-3-tridecanone 898826-07-8 C20H40O5
    (4S,5R,6R,7S,8R,9R,10S,11R)-11-hydroxy-5,7,9-trimethoxy-4,6,8,10-tetramethyl-3-tridecanone
    —— 4-(3-chlorophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 1415237-63-6 C20H12ClNO5S
    4-(3-chlorophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
    —— 4-[[[3-Bromo-5-(2-fluorophenyl)pyrazolo[1,5-a]pyrimidin-7-yl]amino]methyl]benzonitrile 672326-36-2 C20H13BrFN5
    4-[[[3-Bromo-5-(2-fluorophenyl)pyrazolo[1,5-a]pyrimidin-7-yl]amino]methyl]benzonitrile
    —— 4-(tert-butoxycarbonyl)-5-methylfuran-2-carboxylic acid 1590380-98-5 C11H14O5
    4-(tert-butoxycarbonyl)-5-methylfuran-2-carboxylic acid
    —— 4α-(ethoxymethoxy)-4β-({[(4-methylphenyl)sulfonyl]oxy}methyl)-5α-cholestan-3β-ol 656227-67-7 C38H62O6S
    4α-(ethoxymethoxy)-4β-({[(4-methylphenyl)sulfonyl]oxy}methyl)-5α-cholestan-3β-ol