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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Methoxy-benzo[a]azulene-10-carboxylic acid methyl ester 63964-91-0 C17H14O3
    4-Methoxy-benzo[a]azulene-10-carboxylic acid methyl ester
    —— 4-Amino-6-chloro-2-(1-(3-phenyl-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1102064-64-1 C19H16ClN5S
    4-Amino-6-chloro-2-(1-(3-phenyl-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4-chloro-N-{[4-(4-chlorophenyl)tetrahydro-2H-pyran-4-yl]methyl}-1-pyrimidin-2-yl-1H-pyrrolo[2,3-b]pyridine-3-carboxamide 1119282-56-2 C24H21Cl2N5O2
    4-chloro-N-{[4-(4-chlorophenyl)tetrahydro-2H-pyran-4-yl]methyl}-1-pyrimidin-2-yl-1H-pyrrolo[2,3-b]pyridine-3-carboxamide
    —— 4-(benzyloxy)-N-(methylsufonyl)benzamide diethylamine salt 1355631-69-4 C4H11N*C15H15NO4S
    4-(benzyloxy)-N-(methylsufonyl)benzamide diethylamine salt
    —— 4-(dimethyl-thiophen-2-ylmethyl-silanyl)-but-3-yn-2-ol 64148-11-4 C11H16OSSi
    4-(dimethyl-thiophen-2-ylmethyl-silanyl)-but-3-yn-2-ol
    —— 4-methyl-5-pentyl-pyrimidin-2-ylamine 873975-57-6 C10H17N3
    4-methyl-5-pentyl-pyrimidin-2-ylamine
    —— (4-Chloromethyl-phenylsulfanyl)-acetic acid 34707-56-7 C9H9ClO2S
    (4-Chloromethyl-phenylsulfanyl)-acetic acid
    —— 4-Amino-6-chloro-2-(1-(3-chlorothieno[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1102067-39-9 C13H10Cl2N4S2
    4-Amino-6-chloro-2-(1-(3-chlorothieno[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4-(2-Chlorpropyl)-3-phenyl-Δ<sup>2</sup>-1.2.4-oxadiazolin-5-on 56493-67-5 C11H11ClN2O2
    4-(2-Chlorpropyl)-3-phenyl-Δ<sup>2</sup>-1.2.4-oxadiazolin-5-on
    —— 4,4'-bis(acetylamino)-1,1'-(hexa-2,4-diyne-1,6-diyl)dipyrimidin-2(1H)-one 264611-47-4 C18H16N6O4
    4,4'-bis(acetylamino)-1,1'-(hexa-2,4-diyne-1,6-diyl)dipyrimidin-2(1H)-one
    —— 4-(4-methoxyanilino)-N-phenylbenzamide 600171-02-6 C20H18N2O2
    4-(4-methoxyanilino)-N-phenylbenzamide
    —— 4-(4''''-bromophenyl)-1-(tert-butoxycarbonylamino)-2-{3’-[3''-(1'''H-imidazol-1'''-yl)phenyl]-3’-oxopropanamido}-5-methoxybenzene 1453393-97-9 C30H29BrN4O5
    4-(4''''-bromophenyl)-1-(tert-butoxycarbonylamino)-2-{3’-[3''-(1'''H-imidazol-1'''-yl)phenyl]-3’-oxopropanamido}-5-methoxybenzene
    —— (4Z)-4-benzylidene-2-phenylmethoxyoxolane 1005349-25-6 C18H18O2
    (4Z)-4-benzylidene-2-phenylmethoxyoxolane
    —— 4-methyl-2-phenyl-3-(prop-2-ynyl)imidazole 55981-74-3 C13H12N2
    4-methyl-2-phenyl-3-(prop-2-ynyl)imidazole
    —— (4S,5R,6S)-5,6-methano-4-O-(tert-butyldimethylsilyl)cyclohex-2-en-1-on-4-ol 1041631-56-4 C13H22O2Si
    (4S,5R,6S)-5,6-methano-4-O-(tert-butyldimethylsilyl)cyclohex-2-en-1-on-4-ol
    —— 4,4,17α-Trimethyl-2α-cyan-androsten-(5)-ol-(17β)-on-(3) 4248-66-2 C23H33NO2
    4,4,17α-Trimethyl-2α-cyan-androsten-(5)-ol-(17β)-on-(3)
    —— 4,5-dihydro-3-(diethoxyphosphino)furan 66441-52-9 C8H15O3P
    4,5-dihydro-3-(diethoxyphosphino)furan
    —— 4-((2R,3R)-3-cyclohexyloxiran-2-yl)benzonitrile 1448809-93-5 C15H17NO
    4-((2R,3R)-3-cyclohexyloxiran-2-yl)benzonitrile
    —— 4-(4-Fluoro-phenyl)-5-[2-(methyl-phenethyl-amino)-ethyl]-3H-oxazol-2-one; compound with (Z)-but-2-enedioic acid 52867-83-1 C4H4O4*C20H21FN2O2
    4-(4-Fluoro-phenyl)-5-[2-(methyl-phenethyl-amino)-ethyl]-3H-oxazol-2-one; compound with (Z)-but-2-enedioic acid
    —— (4R,5R)-3-tert-butyl 4-ethyl 1-benzyl-2-methyl-5-propyl-1,4,5,6-tetrahydropyridine-3,4-dicarboxylate 1352310-21-4 C24H35NO4
    (4R,5R)-3-tert-butyl 4-ethyl 1-benzyl-2-methyl-5-propyl-1,4,5,6-tetrahydropyridine-3,4-dicarboxylate
    —— 4-methyl-2-phenethylpentanoic acid 858491-87-9 C14H20O2
    4-methyl-2-phenethylpentanoic acid
    —— 4-Methoxy-5,6-nonandiyl-2H-pyran-2-on 108593-31-3 C15H22O3
    4-Methoxy-5,6-nonandiyl-2H-pyran-2-on
    —— 4-nitrocinnamaldehyde 64181-27-7 C12H13NO4
    4-nitrocinnamaldehyde
    —— 4-[(4,5,6,7-Tetrahydro-benzothiazol-2-yl)-hydrazonomethyl]-benzoic acid 7310-07-8 C15H15N3O2S
    4-[(4,5,6,7-Tetrahydro-benzothiazol-2-yl)-hydrazonomethyl]-benzoic acid
    —— (4-chloro-phenyl)-thioacetic acid <i>S</i>-(4-nitro-phenyl ester) 109442-92-4 C14H10ClNO3S
    (4-chloro-phenyl)-thioacetic acid <i>S</i>-(4-nitro-phenyl ester)
    —— 4,4',4",4'"-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis<1-octylpyridinium> tetrachloride 124891-59-4 C72H94N8*4Cl
    4,4',4",4'"-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis<1-octylpyridinium> tetrachloride
    —— 4-methoxy-3,4'-oxy-di-benzaldehyde-disemicarbazone 93651-16-2 C17H18N6O4
    4-methoxy-3,4'-oxy-di-benzaldehyde-disemicarbazone
    —— [4-(2-{2-cyclopentyl-5-[(5,7-dimethyl[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-4-hydroxy-6-oxo-3,6-dihydro-2H-pyran-2-yl}ethyl)-2-(trifluoromethyl)phenyl]acetonitrile 877131-94-7 C29H30F3N5O3
    [4-(2-{2-cyclopentyl-5-[(5,7-dimethyl[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methyl]-4-hydroxy-6-oxo-3,6-dihydro-2H-pyran-2-yl}ethyl)-2-(trifluoromethyl)phenyl]acetonitrile
    —— 4-methoxycarbonyl-3-methylbenzenesulfonyl chloride 1334148-42-3 C9H9ClO4S
    4-methoxycarbonyl-3-methylbenzenesulfonyl chloride
    —— 4-benzhydrylidene-1-isopropyl-1-methyl-piperidinium; methyl sulfate 122678-79-9 CH3O4S*C22H28N
    4-benzhydrylidene-1-isopropyl-1-methyl-piperidinium; methyl sulfate
    —— <4,5-Bis(3-chlorphenylimino)-4,5-dihydro-1,2-diphenyl-3-pyrrolyl>triphenylphosphonium-chlorid 104438-98-4 C46H33Cl2N3P*Cl
    <4,5-Bis(3-chlorphenylimino)-4,5-dihydro-1,2-diphenyl-3-pyrrolyl>triphenylphosphonium-chlorid
    —— 4-bromo-2-ethyl-5-methoxyphenyl acetate 749929-92-8 C11H13BrO3
    4-bromo-2-ethyl-5-methoxyphenyl acetate
    —— 4-(2-vinyloxyethylamino)-2,5-dihydro-5,5-dimethyl-2-(2-hydroxy-2-methyl-1-cyanomethyl-1-propenylimino)furan 136118-10-0 C16H23N3O3
    4-(2-vinyloxyethylamino)-2,5-dihydro-5,5-dimethyl-2-(2-hydroxy-2-methyl-1-cyanomethyl-1-propenylimino)furan
    —— 4-Fluoro-1-methyl-1H-pyrazol-3-amine 1935524-77-8 C4H6FN3
    4-Fluoro-1-methyl-1H-pyrazol-3-amine
    —— 4-hydroxy-5,5,6,6-tetramethylcyclohex-2-en-1-one 111192-75-7 C10H16O2
    4-hydroxy-5,5,6,6-tetramethylcyclohex-2-en-1-one
    —— 4-(5-Cyano-6-oxo-1,6-dihydro-pyridin-2-yl)-benzenesulfonamide 68804-91-1 C12H9N3O3S
    4-(5-Cyano-6-oxo-1,6-dihydro-pyridin-2-yl)-benzenesulfonamide
    —— 4-[(E)-2-nitrovinyl]-2-(pent-3-yn-1-yl)furan 1335032-66-0 C11H11NO3
    4-[(E)-2-nitrovinyl]-2-(pent-3-yn-1-yl)furan
    —— [4,4'-dioctyloxycarbonyl-2,2'-bipyridine]PtCl2 643745-11-3 C28H40Cl2N2O4Pt
    [4,4'-dioctyloxycarbonyl-2,2'-bipyridine]PtCl2
    —— 4-hydroxy-4-(4-methoxyphenyl)-1-tosylbutan-2-one 1047974-39-9 C18H20O5S
    4-hydroxy-4-(4-methoxyphenyl)-1-tosylbutan-2-one
    —— (4R,5R,2E)-ethyl 7-hydroxy-4,5-(isopropylidenedioxy)hept-2-enoate 1294005-35-8 C12H20O5
    (4R,5R,2E)-ethyl 7-hydroxy-4,5-(isopropylidenedioxy)hept-2-enoate
    —— 4-tetrahydropyranyl-η5-cyclopentadienyldicarbonyliron(II) 374082-05-0 C12H14FeO3
    4-tetrahydropyranyl-η5-cyclopentadienyldicarbonyliron(II)
    —— 4-<3'-(5'-ethoxycarbonyl)pyridyl>-2-butanol 116756-68-4 C12H17NO3
    4-<3'-(5'-ethoxycarbonyl)pyridyl>-2-butanol
    —— 4-Pentyloxy-benzoic acid 4-bromomethyl-1,1,3-trioxo-1,3-dihydro-1λ<sup>6</sup>-benzo[d]isothiazol-2-ylmethyl ester 211358-35-9 C21H22BrNO6S
    4-Pentyloxy-benzoic acid 4-bromomethyl-1,1,3-trioxo-1,3-dihydro-1λ<sup>6</sup>-benzo[d]isothiazol-2-ylmethyl ester
    —— 4-Isopropylsulfanylmethyl-[1,3]dioxolane 128889-28-1 C7H14O2S
    4-Isopropylsulfanylmethyl-[1,3]dioxolane
    —— 4-(benzyloxy)-3-isocyano-1-phenylbut-2-en-2-ol 1381872-63-4 C18H17NO2
    4-(benzyloxy)-3-isocyano-1-phenylbut-2-en-2-ol
    —— 4-amino-7-(β-D-ribofuranosyl)pyrrolo<2,3-d>pyrimidine-5-carboxy-L-glutamic acid diamide 117175-54-9 C17H23N7O7
    4-amino-7-(β-D-ribofuranosyl)pyrrolo<2,3-d>pyrimidine-5-carboxy-L-glutamic acid diamide
    —— 4[(E)-2-[N-methyl-N-(3-pyridylmethyl)carbamoyl]ethenyl]phenyl acetate 283153-62-8 C18H18N2O3
    4[(E)-2-[N-methyl-N-(3-pyridylmethyl)carbamoyl]ethenyl]phenyl acetate
    —— 4-butyl-N-dimethoxyphosphorylaniline 79639-88-6 C12H20NO3P
    4-butyl-N-dimethoxyphosphorylaniline
    —— 4,6-Bis-(2-phenylethyl)-isophthalsaeure 53395-38-3 C24H22O4
    4,6-Bis-(2-phenylethyl)-isophthalsaeure
    —— 4exo-Chloro-6exo-methoxy-3,3-diphenyl-1-phenylselenobicyclo<3.2.0>heptan-2-one 129930-64-9 C26H23ClO2Se
    4exo-Chloro-6exo-methoxy-3,3-diphenyl-1-phenylselenobicyclo<3.2.0>heptan-2-one