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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-nitrobenzaldehyde O-(1-(2-oxopyrrolidin-1-yl)ethyl) oxime 1019400-23-7 C13H15N3O4
    4-nitrobenzaldehyde O-(1-(2-oxopyrrolidin-1-yl)ethyl) oxime
    —— 4,4'-<3,3'-Oxybis(2-cyclopenten-1-yliden)>dimorpholinium-bis(trifluormethansulfonat) 105787-60-8 2CF3O3S*C18H26N2O3
    4,4'-<3,3'-Oxybis(2-cyclopenten-1-yliden)>dimorpholinium-bis(trifluormethansulfonat)
    —— 4-(3,4-dimethoxyphenyl)-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one potassium salt 1239264-46-0 C31H27N6O5*K
    4-(3,4-dimethoxyphenyl)-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one potassium salt
    —— 4-Nitro-1-oxy-pyridine-2-carboxylic acid [2-(1-ethyl-pyrrolidin-2-yl)-ethyl]-amide 39574-95-3 C14H20N4O4
    4-Nitro-1-oxy-pyridine-2-carboxylic acid [2-(1-ethyl-pyrrolidin-2-yl)-ethyl]-amide
    —— (4-Amino-phenyl)-acetic acid 2-piperidin-1-ylmethyl-cyclohexyl ester 6062-76-6 C20H30N2O2
    (4-Amino-phenyl)-acetic acid 2-piperidin-1-ylmethyl-cyclohexyl ester
    —— 4',6'-Bis-dimethylamino-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-carbonitrile 53815-41-1 C15H23N5
    4',6'-Bis-dimethylamino-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-carbonitrile
    —— 4-[4-(2-Dimethylamino-1-methyl-ethylamino)-naphthalen-1-ylazo]-N-phenyl-benzamide 5812-84-0 C28H29N5O
    4-[4-(2-Dimethylamino-1-methyl-ethylamino)-naphthalen-1-ylazo]-N-phenyl-benzamide
    —— 4-Isopropenyl-7-methyl-non-8-en-3-one 14499-83-3 C13H22O
    4-Isopropenyl-7-methyl-non-8-en-3-one
    —— 4-hydroxy-4-methyl-heptan-3-one oxime 66084-26-2 C8H17NO2
    4-hydroxy-4-methyl-heptan-3-one oxime
    —— 4-(tert-butyldimethylsiloxymethyl)triisopropylsiloxymethylcyclohexane 1620063-63-9 C23H50O2Si2
    4-(tert-butyldimethylsiloxymethyl)triisopropylsiloxymethylcyclohexane
    —— 4-(2-hydroxyethylamino)-2-cyclohexyl-5,6-dihydro[1]benzothiepino[5,4-d]pyrimidine 1649435-45-9 C20H25N3OS
    4-(2-hydroxyethylamino)-2-cyclohexyl-5,6-dihydro[1]benzothiepino[5,4-d]pyrimidine
    —— <4-Methyl-pentanoyl>-taurin 90227-82-0 C8H17NO4S
    <4-Methyl-pentanoyl>-taurin
    —— 4,7,13,16-tetratosyl-1,4,7,10,13,16-hexaazabicyclo<8.8.2>eicosane 105855-74-1 C42H56N6O8S4
    4,7,13,16-tetratosyl-1,4,7,10,13,16-hexaazabicyclo<8.8.2>eicosane
    —— 4-(3-bromophenyl)-3-isopropyl-8-(trifluoromethyl)quinoline 1020743-81-0 C19H15BrF3N
    4-(3-bromophenyl)-3-isopropyl-8-(trifluoromethyl)quinoline
    —— (4a<i>rH</i>.8a<i>cH</i>)-1.2.3.4.4a.8a-hexahydro-1<i>c</i>.4<i>c</i>-methano-naphthalene-quinone-(5.8) 21789-66-2 C11H12O2
    (4a<i>rH</i>.8a<i>cH</i>)-1.2.3.4.4a.8a-hexahydro-1<i>c</i>.4<i>c</i>-methano-naphthalene-quinone-(5.8)
    —— 4-dimethylphenylsilyl-2-phenyl-1-(2-tetrahydropyranyloxy)-3-butyne 460752-24-3 C23H28O2Si
    4-dimethylphenylsilyl-2-phenyl-1-(2-tetrahydropyranyloxy)-3-butyne
    —— 4-((1-methyl-2-phenylethoxy)carbonyl)butanoic acid 1254355-06-0 C14H18O4
    4-((1-methyl-2-phenylethoxy)carbonyl)butanoic acid
    —— (4-methyl-thieno[3,4-d]-1,3-dithiol-2-one) triphenylphosphonium chloride 1196714-89-2 C24H18OPS3*Cl
    (4-methyl-thieno[3,4-d]-1,3-dithiol-2-one) triphenylphosphonium chloride
    —— 4-(3,4,8,9-Tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)benzamide 362708-46-1 C23H26N2O3
    4-(3,4,8,9-Tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)benzamide
    —— 4-amino-2-isobutoxy-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-7,8-dihydropteridin-6(5H)-one 1228585-47-4 C22H30N6O2
    4-amino-2-isobutoxy-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-7,8-dihydropteridin-6(5H)-one
    —— 4-isopropylamino-1-phenyl-8-trifluoromethyl-1,3-dihydro-benzo[<i>b</i>][1,4]diazepin-2-one 36985-49-6 C19H18F3N3O
    4-isopropylamino-1-phenyl-8-trifluoromethyl-1,3-dihydro-benzo[<i>b</i>][1,4]diazepin-2-one
    —— 4-(2-aminophenyl)-3-iodoquinoline 848738-42-1 C15H11IN2
    4-(2-aminophenyl)-3-iodoquinoline
    —— 4,13-Di-O-methyl-4α-phorbol-12,20-diacetat 30460-54-9 C26H36O8
    4,13-Di-O-methyl-4α-phorbol-12,20-diacetat
    —— (4R,6S,7S)-4-{6-hydroxy-4,10,11,11-tetramethyl-5,9-dioxobicyclo[5.3.1]undec-1(10)-en-4-yl}butyraldehyde 685077-61-6 C19H28O4
    (4R,6S,7S)-4-{6-hydroxy-4,10,11,11-tetramethyl-5,9-dioxobicyclo[5.3.1]undec-1(10)-en-4-yl}butyraldehyde
    —— 4,4'-(1-ethyl-ethene-1,2-diyl)-bis-morpholine 23588-56-9 C12H22N2O2
    4,4'-(1-ethyl-ethene-1,2-diyl)-bis-morpholine
    —— 4-Toluyl-3-hydroxypyridin 36228-67-8 C13H11NO2
    4-Toluyl-3-hydroxypyridin
    —— 4-[[2-[2-Di(propan-2-yl)phosphanyl-4-methylphenyl]azanidyl-5-methylphenyl]-di(propan-2-yl)-lambda5-phosphanylidene]butan-1-olate;2-methanidyl-2-methylpropane;titanium(4+) 1232685-74-3 C35H57NOP2Ti
    4-[[2-[2-Di(propan-2-yl)phosphanyl-4-methylphenyl]azanidyl-5-methylphenyl]-di(propan-2-yl)-lambda5-phosphanylidene]butan-1-olate;2-methanidyl-2-methylpropane;titanium(4+)
    —— ((4R/S)-8-chloro-3-fluoro-4-hydroxy-7-oxo-4,5-dihydro-7H-pyrrolo[3,2,1-de]-1,5-naphthyridin-4-yl)methyl 4-methylbenzenesulfonate 943026-36-6 C18H14ClFN2O5S
    ((4R/S)-8-chloro-3-fluoro-4-hydroxy-7-oxo-4,5-dihydro-7H-pyrrolo[3,2,1-de]-1,5-naphthyridin-4-yl)methyl 4-methylbenzenesulfonate
    —— 4,5-Dimethyl-2-oxa-6-aza-bicyclo[2.2.0]hex-5-en-3-one 74616-94-7 C6H7NO2
    4,5-Dimethyl-2-oxa-6-aza-bicyclo[2.2.0]hex-5-en-3-one
    —— 4-Benzo[1,3]dioxol-5-yl-5-(3-hydroxy-4-methoxy-phenyl)-1-(4-methoxy-benzyl)-1H-pyrrole-2-carboxylic acid methyl ester 900152-46-7 C28H25NO7
    4-Benzo[1,3]dioxol-5-yl-5-(3-hydroxy-4-methoxy-phenyl)-1-(4-methoxy-benzyl)-1H-pyrrole-2-carboxylic acid methyl ester
    —— 4-(4-((E)-2,5-bis((S)-2-methylbutoxy)-4-((E)-3,4,5-tris(octyloxy)styryl)styryl)phenyl)-4H-dithieno[3,2-b:2',3'-d]pyrrole 1214273-40-1 C64H89NO5S2
    4-(4-((E)-2,5-bis((S)-2-methylbutoxy)-4-((E)-3,4,5-tris(octyloxy)styryl)styryl)phenyl)-4H-dithieno[3,2-b:2',3'-d]pyrrole
    —— 4,4'-diamino-3,3'-diethyl-3H,3'H-[5,5']bithiazolyl-2,2'-dithione 52626-62-7 C10H14N4S4
    4,4'-diamino-3,3'-diethyl-3H,3'H-[5,5']bithiazolyl-2,2'-dithione
    —— 4-t-butyl-pyridine-tetraethyldiboroxane 117497-79-7 C17H33B2NO
    4-t-butyl-pyridine-tetraethyldiboroxane
    —— 4-Benzoyl-2-(p-nitro-phenyl)-3-pyrid-2-yl-butyronitril 117600-75-6 C22H17N3O3
    4-Benzoyl-2-(p-nitro-phenyl)-3-pyrid-2-yl-butyronitril
    —— (4S,9aS)-4-(2-iodo-4,5-dimethoxyphenyl)-1,3,4,6,7,8,9,9a-octahydroquinolizin-2-one 1393603-64-9 C17H22INO3
    (4S,9aS)-4-(2-iodo-4,5-dimethoxyphenyl)-1,3,4,6,7,8,9,9a-octahydroquinolizin-2-one
    —— 4-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxymethyl)-butan-1-ol 136883-95-9 C18H32O3Si
    4-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxymethyl)-butan-1-ol
    —— 4-<2-(ethylamino)-4-pyridyl>-2-(phthalimidoethyl)imidazole 103852-08-0 C20H19N5O2
    4-<2-(ethylamino)-4-pyridyl>-2-(phthalimidoethyl)imidazole
    —— 4-[Methyl-(2,4,6-triiodo-3-methylcarbamoyl-phenyl)-carbamoyl]-butyric acid 25887-17-6 C14H15I3N2O4
    4-[Methyl-(2,4,6-triiodo-3-methylcarbamoyl-phenyl)-carbamoyl]-butyric acid
    —— 4-<4'-(5-Benzyl-benzoxazol-2-yl)-stilben-4-yl>-2-phenyl-2H-1,2,3-triazol 59099-00-2 C36H26N4O
    4-<4'-(5-Benzyl-benzoxazol-2-yl)-stilben-4-yl>-2-phenyl-2H-1,2,3-triazol
    —— 4,7-Bis-<2-dimethylamino-aethoxy>-3-phenyl-isoxazolo <4.5-d>-pyridazin 7767-38-6 C19H25N5O3
    4,7-Bis-<2-dimethylamino-aethoxy>-3-phenyl-isoxazolo <4.5-d>-pyridazin
    —— 4-[[4-[(3S)-1-(5,6,7,8-tetrahydroisoquinolin-5-yl)pyrrolidin-3-yl]oxypiperidin-1-yl]methyl]pyridin-2-amine 1138447-94-5 C24H33N5O
    4-[[4-[(3S)-1-(5,6,7,8-tetrahydroisoquinolin-5-yl)pyrrolidin-3-yl]oxypiperidin-1-yl]methyl]pyridin-2-amine
    —— (4-{4-carbamoyl-5-[3-(3,4-dichlorophenyl)-ureido]-1H-imidazol-2-ylmethyl}phenoxy)acetic acid 1143506-64-2 C20H17Cl2N5O5
    (4-{4-carbamoyl-5-[3-(3,4-dichlorophenyl)-ureido]-1H-imidazol-2-ylmethyl}phenoxy)acetic acid
    —— 4-(3-(3-(imino(piperazin-1-yl)methyl)phenyl)ureido)benzenesulfonamide 1237644-30-2 C18H22N6O3S
    4-(3-(3-(imino(piperazin-1-yl)methyl)phenyl)ureido)benzenesulfonamide
    —— 4-(4-bromo-phenyl)-3-ethyl-3<i>H</i>-thiazole-2-thione 35535-03-6 C11H10BrNS2
    4-(4-bromo-phenyl)-3-ethyl-3<i>H</i>-thiazole-2-thione
    —— 4-bromo-1-methyl-2,5-diphenyl-1,2-dihydro-pyrazole-3-thione 32323-34-5 C16H13BrN2S
    4-bromo-1-methyl-2,5-diphenyl-1,2-dihydro-pyrazole-3-thione
    —— 4-phenyl-1-(2,5,6-triphenyl-pyrimidin-4-yl)-thiosemicarbazide 21877-77-0 C29H23N5S
    4-phenyl-1-(2,5,6-triphenyl-pyrimidin-4-yl)-thiosemicarbazide
    —— 4-benzyloxy-9-bromoanthracene-2-carboxylic acid 1187567-00-5 C22H15BrO3
    4-benzyloxy-9-bromoanthracene-2-carboxylic acid
    —— 4-(4-methoxyphenyl)-2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinoline 1231254-36-6 C22H21NO3S
    4-(4-methoxyphenyl)-2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinoline
    —— 4,5-Dichlor-3-(5,6-dichlor-2,3-dimethoxy-phenyl)-veratrol 92908-07-1 C16H14Cl4O4
    4,5-Dichlor-3-(5,6-dichlor-2,3-dimethoxy-phenyl)-veratrol
    —— (4-Chloro-phenyl)-(4-fluoro-3-trifluoromethyl-phenoxy)-acetic acid 3,3,5-trimethyl-cyclohexyl ester 61977-57-9 C24H25ClF4O3
    (4-Chloro-phenyl)-(4-fluoro-3-trifluoromethyl-phenoxy)-acetic acid 3,3,5-trimethyl-cyclohexyl ester