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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— [4,4-Dichloro-1-(4-fluoro-phenyl)-1-methyl-but-3-enyloxy]-trimethyl-silane 64362-01-2 C14H19Cl2FOSi
    [4,4-Dichloro-1-(4-fluoro-phenyl)-1-methyl-but-3-enyloxy]-trimethyl-silane
    —— (4,5-Dihydro-4,5-dioxo-1,2-diphenyl-3-pyrrolyl)triphenylphosphonium-bromid 104438-94-0 Br*C34H25NO2P
    (4,5-Dihydro-4,5-dioxo-1,2-diphenyl-3-pyrrolyl)triphenylphosphonium-bromid
    —— 4-propylsulfanyl-benzo[1,2,5]oxadiazole 60716-10-1 C9H10N2OS
    4-propylsulfanyl-benzo[1,2,5]oxadiazole
    —— (4S,6R,8R,11S)-4-(2,2-dimethylpropyl)-8-methyl-11-propan-2-yl-1,5-dioxaspiro[5.5]undecane 138490-35-4 C18H34O2
    (4S,6R,8R,11S)-4-(2,2-dimethylpropyl)-8-methyl-11-propan-2-yl-1,5-dioxaspiro[5.5]undecane
    —— 4,4'-bis(trimethylsilyl)benzophenone 32641-93-3 C19H26OSi2
    4,4'-bis(trimethylsilyl)benzophenone
    —— 4-(9-(2-chlorophenyl)-3,3,6,6-tetramethyl-1,8-dioxo-1,2,3,4,5,6,7,8-octahydroacridin-10(9H)-yl)benzenesulfonamide 1426925-45-2 C29H31ClN2O4S
    4-(9-(2-chlorophenyl)-3,3,6,6-tetramethyl-1,8-dioxo-1,2,3,4,5,6,7,8-octahydroacridin-10(9H)-yl)benzenesulfonamide
    —— (4R)-5,5-dimethyl-4-[N-(2,4,6-trimethylphenylsulfonyl)amino]hexa-1,2-diene 736948-30-4 C17H25NO2S
    (4R)-5,5-dimethyl-4-[N-(2,4,6-trimethylphenylsulfonyl)amino]hexa-1,2-diene
    —— 4-(2-Hydroxy-ethoxy)-4-methyl-pentane-2,3-diol 5514-28-3 C8H18O4
    4-(2-Hydroxy-ethoxy)-4-methyl-pentane-2,3-diol
    —— (4-Chloro-phenyl)-dithiocarbamic acid 2,4,5-trichloro-phenyl ester 21167-95-3 C13H7Cl4NS2
    (4-Chloro-phenyl)-dithiocarbamic acid 2,4,5-trichloro-phenyl ester
    —— 4-[6-(4-Cyanophenyl)-8-naphthalen-1-ylpyren-1-yl]benzonitrile 1312991-64-2 C40H22N2
    4-[6-(4-Cyanophenyl)-8-naphthalen-1-ylpyren-1-yl]benzonitrile
    —— 4-[(R)-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-propionyl]-piperazine-1-carboxylic acid propyl ester 1163794-29-3 C32H43N7O7
    4-[(R)-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-propionyl]-piperazine-1-carboxylic acid propyl ester
    —— 4-benzyloxy-3-[1-(4-ethoxyphenyl)-1H-tetrazol-5-ylthio]quinolin-2(1H)-one 1252046-54-0 C25H21N5O3S
    4-benzyloxy-3-[1-(4-ethoxyphenyl)-1H-tetrazol-5-ylthio]quinolin-2(1H)-one
    —— 4,7-bis((tert-butyldimethylsilyloxy)methyl)-2-(2-decyltetradecyl)isoindole-1,3-dione 1204696-06-9 C46H85NO4Si2
    4,7-bis((tert-butyldimethylsilyloxy)methyl)-2-(2-decyltetradecyl)isoindole-1,3-dione
    —— (4R,5R)-4-triisopropylsilyloxy-5-[(R)-MTPA-amido]-7-methyl-1-octene 1100345-75-2 C28H46F3NO3Si
    (4R,5R)-4-triisopropylsilyloxy-5-[(R)-MTPA-amido]-7-methyl-1-octene
    —— 4-<5-<(P-methoxybenzylidene)amino>-1,3,4-oxadiazol-2-yl>pyridine 117616-46-3 C15H12N4O2
    4-<5-<(P-methoxybenzylidene)amino>-1,3,4-oxadiazol-2-yl>pyridine
    —— 4-(2,3-Dichloro-phenyl)-2-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethoxymethyl]-6-methyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester 103198-43-2 C30H30Cl2N2O7
    4-(2,3-Dichloro-phenyl)-2-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethoxymethyl]-6-methyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester
    —— 4-(4-chloro-phenylsulfanyl)-3-nitro-aniline 79567-31-0 C12H9ClN2O2S
    4-(4-chloro-phenylsulfanyl)-3-nitro-aniline
    —— (4-tert-butylcatecholato)(1-ethyl-2-(phenylazo)imidazole)platinum(II) 338948-82-6 C21H24N4O2Pt
    (4-tert-butylcatecholato)(1-ethyl-2-(phenylazo)imidazole)platinum(II)
    —— (+)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid 6,7,8,9-tetrahydro-5H-[b]pyridin-9-yl ester 912277-10-2 C20H25NO4
    (+)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid 6,7,8,9-tetrahydro-5H-[b]pyridin-9-yl ester
    —— {4-[2,5-bis(hexyloxy)-4-(4-iodophenylethynyl)phenylethynyl]phenylethynyl}-trimethylsilane 752233-73-1 C39H45IO2Si
    {4-[2,5-bis(hexyloxy)-4-(4-iodophenylethynyl)phenylethynyl]phenylethynyl}-trimethylsilane
    —— [4](1,1')-α-hydroxy[3](2,2')[4](3,3')ferrocenophane 82057-08-7 C21H26FeO
    [4](1,1')-α-hydroxy[3](2,2')[4](3,3')ferrocenophane
    —— 4-morpholin-4-yl-3-nitro-N-(3-trifluoromethoxy-phenyl)-benzamide 1110781-09-3 C18H16F3N3O5
    4-morpholin-4-yl-3-nitro-N-(3-trifluoromethoxy-phenyl)-benzamide
    —— 4-chloro-5-(4-fluorobenzyl)pyrimidine 1009375-68-1 C11H8ClFN2
    4-chloro-5-(4-fluorobenzyl)pyrimidine
    —— 4,6-di-tert-butyl-2-methoxy-benzo[4,5]furo[3,2-a]phenazine 4989-42-8 C27H28N2O2
    4,6-di-tert-butyl-2-methoxy-benzo[4,5]furo[3,2-a]phenazine
    —— 4,5-dihydrospiro[furan-3,6'-indeno[5,6-d][1,3]dioxole]-2,5'(7'H)-dione 1345687-72-0 C13H10O5
    4,5-dihydrospiro[furan-3,6'-indeno[5,6-d][1,3]dioxole]-2,5'(7'H)-dione
    —— (4-chlorophenyl)(5-(4-methoxyphenyl)-2H-1,2,3-triazol-4-yl)methanone 1171249-09-4 C16H12ClN3O2
    (4-chlorophenyl)(5-(4-methoxyphenyl)-2H-1,2,3-triazol-4-yl)methanone
    —— 4-benzyloxy-2,6-bis(1-ethyl-5-methoxybenzimidazol-2-yl)pyridine 1062192-15-7 C32H31N5O3
    4-benzyloxy-2,6-bis(1-ethyl-5-methoxybenzimidazol-2-yl)pyridine
    —— 4,4-Dimethyl-3-<(2-methoxyethoxy)methoxy>tricyclo<5.2.1.0<sup>2,6</sup>>decan-8-ol 130552-51-1 C16H28O4
    4,4-Dimethyl-3-<(2-methoxyethoxy)methoxy>tricyclo<5.2.1.0<sup>2,6</sup>>decan-8-ol
    —— 4-isopropenyl-1-(methoxymethoxymethyl)cyclohexane-1,2-diol 139694-06-7 C12H22O4
    4-isopropenyl-1-(methoxymethoxymethyl)cyclohexane-1,2-diol
    —— 4-[(5’-chloro-2’-hydroxyphenyl)-(5’-hydroxy-3’-methyl-2H-pyrazol-4’-yl)methyl]-2H-phthalazin-1-one 1437802-89-5 C19H15ClN4O3
    4-[(5’-chloro-2’-hydroxyphenyl)-(5’-hydroxy-3’-methyl-2H-pyrazol-4’-yl)methyl]-2H-phthalazin-1-one
    —— (4-{[(1E)-2-aza-1-(3,5-dimethylpiperazinyl)-2-(2,6,6-trimethylbicyclo[3.1.1]hept-3-yl)vinyl]amino}phenyl)-N-[2-(2,4-dichlorophenyl)ethyl]carboxamide 403641-93-0 C32H43Cl2N5O
    (4-{[(1E)-2-aza-1-(3,5-dimethylpiperazinyl)-2-(2,6,6-trimethylbicyclo[3.1.1]hept-3-yl)vinyl]amino}phenyl)-N-[2-(2,4-dichlorophenyl)ethyl]carboxamide
    —— 4c-tert-butyl-1r-methoxy-1-methyl-silinane 38109-36-3 C11H24OSi
    4c-tert-butyl-1r-methoxy-1-methyl-silinane
    —— 4-phenyl-5-(2-phenyl-2-thioxo-ethylidene)-4,5-dihydro-[1,3,4]thiadiazole-2-carboxylic acid ethyl ester 27684-41-9 C19H16N2O2S2
    4-phenyl-5-(2-phenyl-2-thioxo-ethylidene)-4,5-dihydro-[1,3,4]thiadiazole-2-carboxylic acid ethyl ester
    —— 4-(4-nitrophenyl)-(1-trityl-1H-imidazol-4-yl)methanol 869501-13-3 C29H23N3O3
    4-(4-nitrophenyl)-(1-trityl-1H-imidazol-4-yl)methanol
    —— 4-Nitrobenzyl 2-[4(S)-chloro-3(S)-{1R-hydroxyethyl}azetidin-2-on-1-yl]-3-(3-hydroxyphenoxy)-3-trimethylacetylthio-propenate 85768-75-8 C26H27ClN2O9S
    4-Nitrobenzyl 2-[4(S)-chloro-3(S)-{1R-hydroxyethyl}azetidin-2-on-1-yl]-3-(3-hydroxyphenoxy)-3-trimethylacetylthio-propenate
    —— 4,5-bis[8-(acetylsulfanyl)octyloxy]-9-(2',3'-dihydro-2'-methyl-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene 1116600-76-0 C47H56O4S4
    4,5-bis[8-(acetylsulfanyl)octyloxy]-9-(2',3'-dihydro-2'-methyl-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene
    —— 4-O-benzyl-6-O-tert-butyldiphenylsilyl-2,3-di-O-methyl-α-D-glucopyranoside 1107603-21-3 C32H42O6Si
    4-O-benzyl-6-O-tert-butyldiphenylsilyl-2,3-di-O-methyl-α-D-glucopyranoside
    —— 4α,8,14-Trimethyl-18-nor-5α,8α,9β,14β-androstadien-12,15-3,17-dion 13260-24-7 C21H28O2
    4α,8,14-Trimethyl-18-nor-5α,8α,9β,14β-androstadien-12,15-3,17-dion
    —— 4-(3-ethyl-4-methylthiophenoxy)benzonitrile 1359755-77-3 C16H15NOS
    4-(3-ethyl-4-methylthiophenoxy)benzonitrile
    —— 4-(tetrahydro-2H-pyran-4-yloxy)-3-(1-(tetrahydrofuran3-yl)-1H-benzo[d]imidazol-6-yl)-1H-pyrazolo[4,3-c]pyridine 1367873-47-9 C22H23N5O3
    4-(tetrahydro-2H-pyran-4-yloxy)-3-(1-(tetrahydrofuran3-yl)-1H-benzo[d]imidazol-6-yl)-1H-pyrazolo[4,3-c]pyridine
    —— 4-(3-(4-(tetrahydro-2H-pyran-4-yloxy)-1H-pyrazolo[4,3-c]pyridin-3-yl)benzyl)morpholine 1367873-79-7 C22H26N4O3
    4-(3-(4-(tetrahydro-2H-pyran-4-yloxy)-1H-pyrazolo[4,3-c]pyridin-3-yl)benzyl)morpholine
    —— (4aS,4bR,10bS,12aS)-8-Methoxy-12a-propyl-3,4,4a,4b,5,6,7,10,10b,11,12,12a-dodecahydro-2H-chrysen-1-one 4373-86-8 C22H32O2
    (4aS,4bR,10bS,12aS)-8-Methoxy-12a-propyl-3,4,4a,4b,5,6,7,10,10b,11,12,12a-dodecahydro-2H-chrysen-1-one
    —— {4-[4-chloro-5-(4-chloro-phenyl)-[1,2,3]triazol-2-yl]-2-cyano-benzyl}-phosphonic acid diethyl ester 50745-54-5 C20H19Cl2N4O3P
    {4-[4-chloro-5-(4-chloro-phenyl)-[1,2,3]triazol-2-yl]-2-cyano-benzyl}-phosphonic acid diethyl ester
    —— 4-<i>sec</i>-butylamino-2-methyl-2<i>H</i>-pyrazolo[3,4-<i>b</i>]pyridine-5-carboxylic acid ethyl ester 61627-43-8 C14H20N4O2
    4-<i>sec</i>-butylamino-2-methyl-2<i>H</i>-pyrazolo[3,4-<i>b</i>]pyridine-5-carboxylic acid ethyl ester
    —— [4-[bis(4-aminophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]azanium,chloride 4955-92-4 C19H18N3*Cl
    [4-[bis(4-aminophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]azanium,chloride
    —— 4-(2-azidoethyl)-2-methoxy-1-propoxybenzene 1335128-17-0 C12H17N3O2
    4-(2-azidoethyl)-2-methoxy-1-propoxybenzene
    —— 4-(2-oxo-1,2,4,5-tetrahydro-benzo[d][1,3]diazepin-3-yl)-piperidine-1-carboxylic acid (R)-2-(4-amino-3-methyl-5-nitro-phenyl)-1-methoxycarbonyl-ethyl ester 868707-56-6 C26H31N5O7
    4-(2-oxo-1,2,4,5-tetrahydro-benzo[d][1,3]diazepin-3-yl)-piperidine-1-carboxylic acid (R)-2-(4-amino-3-methyl-5-nitro-phenyl)-1-methoxycarbonyl-ethyl ester
    —— 4-amino-N-[1-(1H-indol-3-yl)methylidene]benzenesulfonamide 74028-03-8 C15H13N3O2S
    4-amino-N-[1-(1H-indol-3-yl)methylidene]benzenesulfonamide
    —— (4S,6R)-1-[(E)-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]methyl]-2,2-dioxo-1,3,4,5,6,7-hexahydro-2-benzothiophene-4,6-diol 140710-95-8 C27H44O5S
    (4S,6R)-1-[(E)-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]methyl]-2,2-dioxo-1,3,4,5,6,7-hexahydro-2-benzothiophene-4,6-diol
    —— 4-methyl-2,6-bis-pyridiniomethyl-phenol, dichloride 96385-96-5 C19H20N2O*2Cl
    4-methyl-2,6-bis-pyridiniomethyl-phenol, dichloride