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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(3-(benzyloxy)-2-bromophenyl)-3-(methoxycarbonyl)but-3-enoic acid 740836-56-0 C19H17BrO5
    4-(3-(benzyloxy)-2-bromophenyl)-3-(methoxycarbonyl)but-3-enoic acid
    —— 4-(Carbamoylamino)cyclohexane-1-carboxylic acid 1183094-41-8 C8H14N2O3
    4-(Carbamoylamino)cyclohexane-1-carboxylic acid
    —— 4-Bromo-1-fluoro-2-(2,2,2-trifluoroethyl)benzene 1186195-21-0 C8H5BrF4
    4-Bromo-1-fluoro-2-(2,2,2-trifluoroethyl)benzene
    —— 4-Phenylbenzo-1-thiopyrylium perchlorate 23117-92-2 C15H11S*ClO4
    4-Phenylbenzo-1-thiopyrylium perchlorate
    —— 4-chloro-1-(2,4-dichloro-phenoxy)-3,3-dimethyl-1-[1,2,4]triazol-1-yl-butan-2-one 66244-59-5 C14H14Cl3N3O2
    4-chloro-1-(2,4-dichloro-phenoxy)-3,3-dimethyl-1-[1,2,4]triazol-1-yl-butan-2-one
    —— (4-Hydroxy-cyclopent-1-enyl)-acetic acid ethyl ester 126457-81-6 C9H14O3
    (4-Hydroxy-cyclopent-1-enyl)-acetic acid ethyl ester
    —— 4-{[1-(3-Hydroxy-5-hydroxymethyl-2-methyl-pyridin-4-yl)-meth-(E)-ylidene]-amino}-benzoic acid 25765-10-0 C15H14N2O4
    4-{[1-(3-Hydroxy-5-hydroxymethyl-2-methyl-pyridin-4-yl)-meth-(E)-ylidene]-amino}-benzoic acid
    —— 4-[methyl-(1-pyrrolidin-3-yl-cyclopropyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester 861391-46-0 C18H33N3O2
    4-[methyl-(1-pyrrolidin-3-yl-cyclopropyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-Bromo-benzenesulfonic acid tricyclo[3.2.1.0<sup>2,4</sup>]oct-8-yl ester 28084-07-3 C14H15BrO3S
    4-Bromo-benzenesulfonic acid tricyclo[3.2.1.0<sup>2,4</sup>]oct-8-yl ester
    —— 4-(3,4-Dihydro-1,3,4,9-tetraaza-phenanthren-2-yl)-phenol; hydrochloride 51093-83-5 C16H12N4O*ClH
    4-(3,4-Dihydro-1,3,4,9-tetraaza-phenanthren-2-yl)-phenol; hydrochloride
    —— (4,5-dimethyl-2-[1,2,3]triazol-2-yl-phenyl)-[(R)-3-(3-[1,2,3]triazol-2-yl-benzyl)-morpholin-4-yl]-methanone 1435480-48-0 C24H25N7O2
    (4,5-dimethyl-2-[1,2,3]triazol-2-yl-phenyl)-[(R)-3-(3-[1,2,3]triazol-2-yl-benzyl)-morpholin-4-yl]-methanone
    —— 4,20-Di(anthracen-9-yl)-9,15,25,31-tetratert-butyl-33,34,35,36-tetramethoxy-3,5,19,21-tetrazaheptacyclo[27.3.1.17,11.113,17.123,27.02,6.018,22]hexatriaconta-1(32),2(6),3,7,9,11(36),13(35),14,16,18(22),20,23,25,27(34),29(33),30-hexadecaene 958261-56-8 C80H80N4O4
    4,20-Di(anthracen-9-yl)-9,15,25,31-tetratert-butyl-33,34,35,36-tetramethoxy-3,5,19,21-tetrazaheptacyclo[27.3.1.17,11.113,17.123,27.02,6.018,22]hexatriaconta-1(32),2(6),3,7,9,11(36),13(35),14,16,18(22),20,23,25,27(34),29(33),30-hexadecaene
    —— (4R,5R)-4,5-Bis-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-[1,3]dithiolan-2-one 51051-73-1 C13H20O5S2
    (4R,5R)-4,5-Bis-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-[1,3]dithiolan-2-one
    —— 4-[(1E,3E)-4-(4-Nitro-phenyl)-buta-1,3-dienyl]-pyridine 60521-04-2 C15H12N2O2
    4-[(1E,3E)-4-(4-Nitro-phenyl)-buta-1,3-dienyl]-pyridine
    —— [4-(<i>N</i>-benzyloxycarbonyl-glycyloxyimino)-2,5-dimethyl-2,4-dihydro-pyrazol-3-ylidene]-carbamic acid benzyl ester 58664-23-6 C23H23N5O6
    [4-(<i>N</i>-benzyloxycarbonyl-glycyloxyimino)-2,5-dimethyl-2,4-dihydro-pyrazol-3-ylidene]-carbamic acid benzyl ester
    —— [(4-Nitro-phenylcarbamoyl)-phenyl-methyl]-carbamic acid benzyl ester 61043-24-1 C22H19N3O5
    [(4-Nitro-phenylcarbamoyl)-phenyl-methyl]-carbamic acid benzyl ester
    —— 4-(3-Isopropyl-2,4,5-trimethoxy-phenyl)-butyric acid 60241-81-8 C16H24O5
    4-(3-Isopropyl-2,4,5-trimethoxy-phenyl)-butyric acid
    —— 4,4-Bis(4-chlorphenyl)-2-cyclohexyl-1,2-oxazetidin-3-on 102536-62-9 C20H19Cl2NO2
    4,4-Bis(4-chlorphenyl)-2-cyclohexyl-1,2-oxazetidin-3-on
    —— 4-(4-methoxyphenoxy)-7-nitro-5H-pyrrolo[3,2-d]pyrimidine 1415565-19-3 C13H10N4O4
    4-(4-methoxyphenoxy)-7-nitro-5H-pyrrolo[3,2-d]pyrimidine
    —— 4-Phenylseleno-buten-(2)-ol-(1) 21113-93-9 C10H12OSe
    4-Phenylseleno-buten-(2)-ol-(1)
    —— (4-Fluoro-phenyl)-[1-(2-nitro-benzyl)-1H-imidazol-2-yl]-methanone 401495-60-1 C17H12FN3O3
    (4-Fluoro-phenyl)-[1-(2-nitro-benzyl)-1H-imidazol-2-yl]-methanone
    —— 4-[hydroxy-(4-phenylphenyl)methyl]-3-methyl-1H-imidazole-2-thione 131470-56-9 C17H16N2OS
    4-[hydroxy-(4-phenylphenyl)methyl]-3-methyl-1H-imidazole-2-thione
    —— 4-O-(3-aminopropyl)-1,6:2,3-dianhydro-β-D-mannopyranose 859216-75-4 C9H15NO4
    4-O-(3-aminopropyl)-1,6:2,3-dianhydro-β-D-mannopyranose
    —— 4-amino-4-oxobutyric acid N'-(1-phenyl-1-(1-(3,5-dimethylphenyl)-2-oxo-6-trifluoromethyl-1,2-dihydroindol-3(Z)-ylidene)methyl)hydrazide 1436932-00-1 C28H25F3N4O3
    4-amino-4-oxobutyric acid N'-(1-phenyl-1-(1-(3,5-dimethylphenyl)-2-oxo-6-trifluoromethyl-1,2-dihydroindol-3(Z)-ylidene)methyl)hydrazide
    —— 4-Methoxy-benzoic acid 5-acetoxy-4,6-dimethyl-pyridin-3-ylmethyl ester 53580-86-2 C18H19NO5
    4-Methoxy-benzoic acid 5-acetoxy-4,6-dimethyl-pyridin-3-ylmethyl ester
    —— 4-Methoxy-2,2-diphenyl-pentanoic acid 38300-79-7 C18H20O3
    4-Methoxy-2,2-diphenyl-pentanoic acid
    —— 4α-Acetoxy-5-chlor-5β-cholest-2-en-1-on 58507-94-1 C29H45ClO3
    4α-Acetoxy-5-chlor-5β-cholest-2-en-1-on
    —— 4-{[Carbamoyl-(4-methoxy-phenyl)-methyl]-amino}-benzoic acid ethyl ester 60066-19-5 C18H20N2O4
    4-{[Carbamoyl-(4-methoxy-phenyl)-methyl]-amino}-benzoic acid ethyl ester
    —— (4-{2-[2-(Difluoro-methoxycarbonyl-methoxy)-1,1,2,2-tetrafluoro-ethoxy]-1,1,2,2-tetrafluoro-ethoxy}-1,1,2,2,3,3,4,4-octafluoro-butoxy)-difluoro-acetic acid methyl ester 55711-09-6 C14H6F20O8
    (4-{2-[2-(Difluoro-methoxycarbonyl-methoxy)-1,1,2,2-tetrafluoro-ethoxy]-1,1,2,2-tetrafluoro-ethoxy}-1,1,2,2,3,3,4,4-octafluoro-butoxy)-difluoro-acetic acid methyl ester
    —— 4-Phenyl-2-[(Z)-phenylimino]-2,5-dihydro-thiophen-3-ylamine 55818-31-0 C16H14N2S
    4-Phenyl-2-[(Z)-phenylimino]-2,5-dihydro-thiophen-3-ylamine
    —— [(4-Carboxy-phenylcarbamoyl)-methyl]-trimethyl-ammonium; chloride 54947-53-4 C12H17N2O3*Cl
    [(4-Carboxy-phenylcarbamoyl)-methyl]-trimethyl-ammonium; chloride
    —— 4-Hydroxy-3-dimethylaminoacetophenonmethoiodid 56041-66-8 C11H16NO2*I
    4-Hydroxy-3-dimethylaminoacetophenonmethoiodid
    —— {4-[5-Oxo-1,3-diphenyl-1,5-dihydro-pyrazol-(4E)-ylidenemethyl]-benzyl}-tri-p-tolyl-phosphonium; bromide 57586-66-0 Br*C44H38N2OP
    {4-[5-Oxo-1,3-diphenyl-1,5-dihydro-pyrazol-(4E)-ylidenemethyl]-benzyl}-tri-p-tolyl-phosphonium; bromide
    —— [(4-Carboxy-phenylcarbamoyl)-methyl]-dimethyl-tetradecyl-ammonium; chloride 54947-57-8 C25H43N2O3*Cl
    [(4-Carboxy-phenylcarbamoyl)-methyl]-dimethyl-tetradecyl-ammonium; chloride
    —— 4-Hydroxy-hexahydrocolupulon 61105-71-3 C25H42O5
    4-Hydroxy-hexahydrocolupulon
    —— 4-Fluorsulfonyl-5',5',5'-trifluor-n-pentylbenzol 52201-06-6 C11H12F4O2S
    4-Fluorsulfonyl-5',5',5'-trifluor-n-pentylbenzol
    —— 4-{Phenyl-[4-(triethoxy-λ<sup>5</sup>-phosphanylideneaminocarbonyl)-phenyl]-phosphinoyl}-benzoyl-phosphorimidic acid triethyl ester 57415-73-3 C32H43N2O9P3
    4-{Phenyl-[4-(triethoxy-λ<sup>5</sup>-phosphanylideneaminocarbonyl)-phenyl]-phosphinoyl}-benzoyl-phosphorimidic acid triethyl ester
    —— (4-<i>o</i>-tolyl-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl)-acetic acid (4-hydroxy-benzylidene)-hydrazide 59909-11-4 C18H17N5O2S
    (4-<i>o</i>-tolyl-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl)-acetic acid (4-hydroxy-benzylidene)-hydrazide
    —— 4,4-Diethylcholestan-3β-ol 58714-29-7 C31H56O
    4,4-Diethylcholestan-3β-ol
    —— 4a,4b,8a,8b-tetrahydro-2,7-butano-cyclobuta[1,2-<i>c</i>;4,3-<i>c</i>']dipyridine-1,8-dione 62455-46-3 C14H16N2O2
    4a,4b,8a,8b-tetrahydro-2,7-butano-cyclobuta[1,2-<i>c</i>;4,3-<i>c</i>']dipyridine-1,8-dione
    —— 4-Epi-10βH-furanoeremophilan-6,9-dion 61176-49-6 C15H18O3
    4-Epi-10βH-furanoeremophilan-6,9-dion
    —— <4-(α-Cyclohexyliden-4-hydroxybenzyl)phenyl>-β-D-glucopyranosid 59969-32-3 C25H30O7
    <4-(α-Cyclohexyliden-4-hydroxybenzyl)phenyl>-β-D-glucopyranosid
    —— 4-[(4-oxo-4<i>H</i>-chromen-3-ylmethylene)-hydrazino]-benzenesulfonamide 61466-53-3 C16H13N3O4S
    4-[(4-oxo-4<i>H</i>-chromen-3-ylmethylene)-hydrazino]-benzenesulfonamide
    —— 4-(1,2-di-morpholin-4-yl-vinyl)-<i>N</i>,<i>N</i>-dimethyl-aniline 53189-83-6 C18H27N3O2
    4-(1,2-di-morpholin-4-yl-vinyl)-<i>N</i>,<i>N</i>-dimethyl-aniline
    —— 4-Hydroxy-4-phenyl-1-(triphenyl-λ<sup>5</sup>-phosphanylidene)-pentan-2-one 57362-54-6 C29H27O2P
    4-Hydroxy-4-phenyl-1-(triphenyl-λ<sup>5</sup>-phosphanylidene)-pentan-2-one
    —— 4-(5-Chloro-2-methoxyphenyl)-3-[(2-imidazolylmethyl)amino]-6-(trifluoromethyl)quinolin-2(1H)-one 221113-21-9 C21H16ClF3N4O2
    4-(5-Chloro-2-methoxyphenyl)-3-[(2-imidazolylmethyl)amino]-6-(trifluoromethyl)quinolin-2(1H)-one
    —— <4-Phenyl-6-(4-trimethylsilyl-phenyl)-pyrimidinyl-2>-cyanessigsaeure-ethylester 56250-52-3 C24H25N3O2Si
    <4-Phenyl-6-(4-trimethylsilyl-phenyl)-pyrimidinyl-2>-cyanessigsaeure-ethylester
    —— 4-Benzyl-piperazine-1-carboxylic acid 3-(2-methoxy-phenyl)-pyrazol-1-yl ester 549512-25-6 C22H24N4O3
    4-Benzyl-piperazine-1-carboxylic acid 3-(2-methoxy-phenyl)-pyrazol-1-yl ester
    —— 4-[2-methoxy-3-(trifluoromethoxy)phenyl]piperidine 871353-31-0 C13H16F3NO2
    4-[2-methoxy-3-(trifluoromethoxy)phenyl]piperidine
    —— 4,4-dibenzyl-2,2-bis(4-methoxyphenyl)-1,3-dioxa-4-azonia-2-boratacyclohexane 95890-44-1 C30H32BNO4
    4,4-dibenzyl-2,2-bis(4-methoxyphenyl)-1,3-dioxa-4-azonia-2-boratacyclohexane