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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4-aminopyridinium)[Ni(maleonitriledithiolate)2] 500138-23-8 C5H7N2*C8N4NiS4
    (4-aminopyridinium)[Ni(maleonitriledithiolate)2]
    —— 4-Acetylaminophenyloxamoyl-β-aminopropionic acid 119935-71-6 C13H15N3O5
    4-Acetylaminophenyloxamoyl-β-aminopropionic acid
    —— 4-(3-chloropyridin-2-yl)-N-[3-(dimethylamino)phenyl]benzamide 849753-99-7 C20H18ClN3O
    4-(3-chloropyridin-2-yl)-N-[3-(dimethylamino)phenyl]benzamide
    —— (4aR)-1-(4-fluorophenyl)-4a-(methoxymethyl)-6-[4-(trifluoromethyl)phenyl]sulfonyl-4,5,7,8-tetrahydropyrazolo[3,4-g]isoquinoline 1018679-76-9 C25H23F4N3O3S
    (4aR)-1-(4-fluorophenyl)-4a-(methoxymethyl)-6-[4-(trifluoromethyl)phenyl]sulfonyl-4,5,7,8-tetrahydropyrazolo[3,4-g]isoquinoline
    —— 4-fluoromethyl-3-(2-fluoro-3-nitrobenzyl)-7-(pyrimidin-2-yloxy)-2-oxo-2H-1-benzopyran 946127-39-5 C21H13F2N3O5
    4-fluoromethyl-3-(2-fluoro-3-nitrobenzyl)-7-(pyrimidin-2-yloxy)-2-oxo-2H-1-benzopyran
    —— 4-methyl-3-(3-nitrobenzyl)-6-chloro-7-(3-methoxyphenyl)-2-oxo-2H-1-benzopyran 946126-16-5 C24H18ClNO5
    4-methyl-3-(3-nitrobenzyl)-6-chloro-7-(3-methoxyphenyl)-2-oxo-2H-1-benzopyran
    —— 4-(Bromomethyl)-5-ethyl-2-[3-(2-fluoroethoxy)-4-methoxyphenyl]-1,3-thiazole 1450603-87-8 C15H17BrFNO2S
    4-(Bromomethyl)-5-ethyl-2-[3-(2-fluoroethoxy)-4-methoxyphenyl]-1,3-thiazole
    —— 4-methyl-2-o-tolyl-indan-1-one 1160155-78-1 C17H16O
    4-methyl-2-o-tolyl-indan-1-one
    —— 4-oxo-8-phenyl-2-(pyridin-4-yl)-4H-chromene-6-carbonitrile 1450930-00-3 C21H12N2O2
    4-oxo-8-phenyl-2-(pyridin-4-yl)-4H-chromene-6-carbonitrile
    —— 4-acetonylidene-1-methoxy-2,2,5,5-tetramethylimidazolidine 132599-42-9 C11H20N2O2
    4-acetonylidene-1-methoxy-2,2,5,5-tetramethylimidazolidine
    —— 4-Ethoxy-6,7-dihydro-5H-pyrido<2,3-b>pyrimido<4,5-d>azepine 138768-85-1 C13H14N4O
    4-Ethoxy-6,7-dihydro-5H-pyrido<2,3-b>pyrimido<4,5-d>azepine
    —— 4-Fluoro-2-(oxan-4-yloxy)aniline hydrochloride 1803604-07-0 C11H15ClFNO2
    4-Fluoro-2-(oxan-4-yloxy)aniline hydrochloride
    —— 4-Chloro-3-(2-hydroxy-3-methoxy-benzylamino)-5-sulfamoyl-benzoic acid 22893-10-3 C15H15ClN2O6S
    4-Chloro-3-(2-hydroxy-3-methoxy-benzylamino)-5-sulfamoyl-benzoic acid
    —— 4-Ethoxy-5-ethoxycarbonyl-2,2,2-tris-dimethylamino-4,5-didehydro-1,3,2-dioxaphospholan 21518-12-7 C13H28N3O5P
    4-Ethoxy-5-ethoxycarbonyl-2,2,2-tris-dimethylamino-4,5-didehydro-1,3,2-dioxaphospholan
    —— 4-Amino-3-chlor-N-(1-methyl-piperidyl-(4))-5-trifluor-methyl-benzoesaeure-amid 63498-10-2 C14H17ClF3N3O
    4-Amino-3-chlor-N-(1-methyl-piperidyl-(4))-5-trifluor-methyl-benzoesaeure-amid
    —— 4-[5-(4-fluoro-2-isopropoxybenzyl)furan-2-yl]-2-hydroxy-4-oxo-2-butenoic acid methyl ester 500367-60-2 C19H19FO6
    4-[5-(4-fluoro-2-isopropoxybenzyl)furan-2-yl]-2-hydroxy-4-oxo-2-butenoic acid methyl ester
    —— 4-((4-aminonaphthalen-1-yl)methyl)pyridin-2-amine 1338815-56-7 C16H15N3
    4-((4-aminonaphthalen-1-yl)methyl)pyridin-2-amine
    —— 4-Methoxy-N-(β-hydroxypropoxy)-1,8-naphthalsaeureimid 41572-93-4 C16H15NO5
    4-Methoxy-N-(β-hydroxypropoxy)-1,8-naphthalsaeureimid
    —— 4-allyl-7-benzyloxy-3,4-dihydro-1<i>H</i>-benzo[<i>e</i>][1,4]diazepine-2,5-dione 5177-42-4 C19H18N2O3
    4-allyl-7-benzyloxy-3,4-dihydro-1<i>H</i>-benzo[<i>e</i>][1,4]diazepine-2,5-dione
    —— 4,4'-(9a,9b-dimethyl-4,6,9a,9b-tetrahydrobenzo[1,2-b:6,5-b':3,4-c'']trithiophene-2,8-diyl)bis(but-3-en-2-one) 1266678-58-3 C22H22O2S3
    4,4'-(9a,9b-dimethyl-4,6,9a,9b-tetrahydrobenzo[1,2-b:6,5-b':3,4-c'']trithiophene-2,8-diyl)bis(but-3-en-2-one)
    —— 4-[5-(3-bromo-benzenesulfonylmethyl)-[1,3,4]oxadiazol-2-yl]-benzoic acid methyl ester 865707-85-3 C17H13BrN2O5S
    4-[5-(3-bromo-benzenesulfonylmethyl)-[1,3,4]oxadiazol-2-yl]-benzoic acid methyl ester
    —— 4-(2-(2-(4-Chlorophenoxy)propanoyl)carbohydrazonoyl)phenyl 4-chlorobenzoate 303085-62-3 C23H18Cl2N2O4
    4-(2-(2-(4-Chlorophenoxy)propanoyl)carbohydrazonoyl)phenyl 4-chlorobenzoate
    —— 4-methoxy-2-(5-methoxynaphtho<1,2-b>furan-2-yl)-1-naphthol 84101-79-1 C24H18O4
    4-methoxy-2-(5-methoxynaphtho<1,2-b>furan-2-yl)-1-naphthol
    —— 4,4'-bis<1,1-<2-(2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethoxy)ethoxy>methylene>-biphenyl 159349-88-9 C34H56N2O10
    4,4'-bis<1,1-<2-(2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethoxy)ethoxy>methylene>-biphenyl
    —— 4-(4-Chloro-benzoyl)-3-hydroxy-1H-quinolin-2-one 99557-44-5 C16H10ClNO3
    4-(4-Chloro-benzoyl)-3-hydroxy-1H-quinolin-2-one
    —— 4,5-dimethyl-8-(naphthalen-2-yl)-7-phenyl-3,7-dihydropyrimido[4,5-d]pyridazin-2(1H)-one 1562653-40-0 C24H20N4O
    4,5-dimethyl-8-(naphthalen-2-yl)-7-phenyl-3,7-dihydropyrimido[4,5-d]pyridazin-2(1H)-one
    —— 4-[1-(2-fluorophenyl)-1H-[1,2,3]-triazol-4-yl]-1,2,3,6-tetrahydropyridine hydrochloride 1191512-59-0 C13H13FN4*ClH
    4-[1-(2-fluorophenyl)-1H-[1,2,3]-triazol-4-yl]-1,2,3,6-tetrahydropyridine hydrochloride
    —— 4-[2-nitro-1-(nitromethyl)ethyl] benzoic acid 117538-88-2 C10H10N2O6
    4-[2-nitro-1-(nitromethyl)ethyl] benzoic acid
    —— 4-bromo-d8-butyl (S)-2-(6-d3-methoxy-2-naphthyl)-propanoate 1254693-90-7 C18H21BrO3
    4-bromo-d8-butyl (S)-2-(6-d3-methoxy-2-naphthyl)-propanoate
    —— 4-[{[5-(4-cyanophenyl)thien-2-yl]methyl}(2,2,2-trifluoroethyl)amino]-2-(trifluoromethyl)benzonitrile 916808-63-4 C22H13F6N3S
    4-[{[5-(4-cyanophenyl)thien-2-yl]methyl}(2,2,2-trifluoroethyl)amino]-2-(trifluoromethyl)benzonitrile
    —— 4,5,6,4'-Tetramethoxy-biphenyl-2,2'-dicarbaldehyde 854489-97-7 C18H18O6
    4,5,6,4'-Tetramethoxy-biphenyl-2,2'-dicarbaldehyde
    —— 4-(4-Chlorophenoxy)-3-sulfamoylbenzoylguanidine hydrochloride 159139-25-0 C14H13ClN4O4S*ClH
    4-(4-Chlorophenoxy)-3-sulfamoylbenzoylguanidine hydrochloride
    —— 4-(N-Methylthiomethoxyamino)butanoic acid, lithium salt 101335-26-6 C6H12NO3S*Li
    4-(N-Methylthiomethoxyamino)butanoic acid, lithium salt
    —— 4-[3-(4-chloro-phenyl)-3-oxo-2-[1,2,4]triazol-1-yl-propenyl]-benzonitrile 63334-40-7 C18H11ClN4O
    4-[3-(4-chloro-phenyl)-3-oxo-2-[1,2,4]triazol-1-yl-propenyl]-benzonitrile
    —— 4-chloro-6-((2-(3-((4-(3-hydroxypropyl)piperazin-1-yl)methyl)phenyl)pyrrolidin-1-yl)carbonyl)benzene-1,3-diol 1023886-73-8 C25H32ClN3O4
    4-chloro-6-((2-(3-((4-(3-hydroxypropyl)piperazin-1-yl)methyl)phenyl)pyrrolidin-1-yl)carbonyl)benzene-1,3-diol
    —— 4-{[4-(5<i>H</i>-dibenzo[<i>a</i>,<i>d</i>]cyclohepten-5-yl)-piperazin-1-ylimino]-methyl}-benzonitrile 10460-63-6 C27H24N4
    4-{[4-(5<i>H</i>-dibenzo[<i>a</i>,<i>d</i>]cyclohepten-5-yl)-piperazin-1-ylimino]-methyl}-benzonitrile
    —— [4,5-diacetyloxy-6-[[14-hydroxy-10,13-dimethyl-17-(6-oxopyran-3-yl)-1,2,3,6,7,8,9,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-yl]oxy]-2-methyloxan-3-yl] acetate 26884-50-4 C36H48O11
    [4,5-diacetyloxy-6-[[14-hydroxy-10,13-dimethyl-17-(6-oxopyran-3-yl)-1,2,3,6,7,8,9,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-yl]oxy]-2-methyloxan-3-yl] acetate
    —— 4-but-3-ynyl-3-methyl-5-(3,7,11-trimethyl-dodeca-2,6,10-trienyl)hexahydrocyclopenta[b]furan-6-ol 767352-93-2 C27H42O2
    4-but-3-ynyl-3-methyl-5-(3,7,11-trimethyl-dodeca-2,6,10-trienyl)hexahydrocyclopenta[b]furan-6-ol
    —— 4,4'-(2-bromoethene-1,1-diyl)bis(fluorobenzene) 23349-10-2 C14H9BrF2
    4,4'-(2-bromoethene-1,1-diyl)bis(fluorobenzene)
    —— (4-iodophenyl)lithium 114448-26-9 C6H4ILi
    (4-iodophenyl)lithium
    —— 4,6-O-cyclohexylidenesucrose 182750-27-2 C18H30O11
    4,6-O-cyclohexylidenesucrose
    —— {4-[1-p-Tolyl-1-trimethylsilanyl-meth-(Z)-ylidene]-tetrahydro-furan-3-yl}-acetaldehyde 825621-18-9 C17H24O2Si
    {4-[1-p-Tolyl-1-trimethylsilanyl-meth-(Z)-ylidene]-tetrahydro-furan-3-yl}-acetaldehyde
    —— 4-hydroxymethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-carboxylic acid (7-chloro-4-oxo-1-phenyl-1,4-dihydro-quinolin-3-ylmethyl)amide 1418024-19-7 C28H27ClN4O3
    4-hydroxymethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-carboxylic acid (7-chloro-4-oxo-1-phenyl-1,4-dihydro-quinolin-3-ylmethyl)amide
    —— 4-amino-pyrido[3,2-d]pyrimidine-8-carboxylic acid [2,6-difluoro-3-(3-fluoro-propane-1-sulfonylamino)-phenyl]-amide 1269420-91-8 C17H15F3N6O3S
    4-amino-pyrido[3,2-d]pyrimidine-8-carboxylic acid [2,6-difluoro-3-(3-fluoro-propane-1-sulfonylamino)-phenyl]-amide
    —— [((4,4'-dimethoxysalen)(-2H))Mn(acetate)]*(water) 753440-80-1 C20H21MnN2O6*H2O
    [((4,4'-dimethoxysalen)(-2H))Mn(acetate)]*(water)
    —— 4-amino-N-(2-(4-methoxyphenyl)ethyl)-7-(2-methoxy-4-pyridinyl)pyrrolo[2,1-f][1,2,4]triazine-5-carboxamide 1338049-68-5 C22H22N6O3
    4-amino-N-(2-(4-methoxyphenyl)ethyl)-7-(2-methoxy-4-pyridinyl)pyrrolo[2,1-f][1,2,4]triazine-5-carboxamide
    —— 4-amino-2-(3-iodobenzyl)isoindolin-1-one 958888-80-7 C15H13IN2O
    4-amino-2-(3-iodobenzyl)isoindolin-1-one
    —— 4α-carboxy-1α,13α-dihydroxy-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone 1012876-88-8 C20H30O5
    4α-carboxy-1α,13α-dihydroxy-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone
    —— (4S,6R)-4-Bromomethyl-8-oxo-3-oxa-1-aza-bicyclo[4.2.0]octane-2,2-dicarboxylic acid bis-(4-nitro-benzyl) ester 86509-29-7 C23H20BrN3O10
    (4S,6R)-4-Bromomethyl-8-oxo-3-oxa-1-aza-bicyclo[4.2.0]octane-2,2-dicarboxylic acid bis-(4-nitro-benzyl) ester
    —— (4-chloro-phenyl)-[2-methoxymethyl-7-(3-trifluoromethyl-pyridin-2-yl)-pyrido[2,3-d]pyrimidin-4-yl]-amine 714222-21-6 C21H15ClF3N5O
    (4-chloro-phenyl)-[2-methoxymethyl-7-(3-trifluoromethyl-pyridin-2-yl)-pyrido[2,3-d]pyrimidin-4-yl]-amine