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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Methyl-7-(2-oxo-2H-chromen-3-yloxy)-chromen-2-one 107402-41-5 C19H12O5
    4-Methyl-7-(2-oxo-2H-chromen-3-yloxy)-chromen-2-one
    —— (4E)-N-cyclohexylidenemorpholine-4-carbohydrazonothioate;(4Z)-N-cyclohexylidenemorpholine-4-carbohydrazonothioate;palladium(2+) 168101-72-2 C22H36N6O2PdS2
    (4E)-N-cyclohexylidenemorpholine-4-carbohydrazonothioate;(4Z)-N-cyclohexylidenemorpholine-4-carbohydrazonothioate;palladium(2+)
    —— 4-(tert-butoxycarbonyl)-5-methyl-7-(1-methyl-1H-benzo[d]-imidazol-2-yl)-2-(trifluoromethyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylic acid 1369959-05-6 C22H22F3N5O4
    4-(tert-butoxycarbonyl)-5-methyl-7-(1-methyl-1H-benzo[d]-imidazol-2-yl)-2-(trifluoromethyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylic acid
    —— [4-(2-methoxy-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid (5-chloro-2-hydroxy-benzylidene)-hydrazide 67128-57-8 C18H16ClN5O3S
    [4-(2-methoxy-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid (5-chloro-2-hydroxy-benzylidene)-hydrazide
    —— (+/-)-4-(1-acetoxyethyl)benzenesulfonamide 220948-17-4 C10H13NO4S
    (+/-)-4-(1-acetoxyethyl)benzenesulfonamide
    —— 4-[1-(4-dimethylamino-phenyl)-3-hydrazono-3-phenyl-propyl]-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one 69446-72-6 C27H29N5O
    4-[1-(4-dimethylamino-phenyl)-3-hydrazono-3-phenyl-propyl]-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4-(1-Methyl-2-imidazolyl)-2α-methyl-5α-androstan-17β-ol-3-on 65043-24-5 C24H36N2O2
    4-(1-Methyl-2-imidazolyl)-2α-methyl-5α-androstan-17β-ol-3-on
    —— (4-acetylamino-phenyl)-(pyrazine-2-carbonylhydrazono)-acetic acid 69456-80-0 C15H13N5O4
    (4-acetylamino-phenyl)-(pyrazine-2-carbonylhydrazono)-acetic acid
    —— 4-Methoxy-benzoin-semicarbazon 69367-02-8 C16H17N3O3
    4-Methoxy-benzoin-semicarbazon
    —— 4-[(4-diethylaminomethyl-phenylamino)-methylene]-4H-isoquinoline-1,3-dione 943452-16-2 C21H23N3O2
    4-[(4-diethylaminomethyl-phenylamino)-methylene]-4H-isoquinoline-1,3-dione
    —— 4-bromo-14-(4-methylphenyl)-12-thia-8,10,15,16-tetrazatetracyclo[7.7.0.02,7.011,15]hexadeca-1(16),2(7),3,5,8,10,13-heptaene 121006-75-5 C18H11BrN4S
    4-bromo-14-(4-methylphenyl)-12-thia-8,10,15,16-tetrazatetracyclo[7.7.0.02,7.011,15]hexadeca-1(16),2(7),3,5,8,10,13-heptaene
    —— 4-methyl-N-(4-methylphenyl)-5-[5-(4-methylphenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-amine 112834-53-4 C21H21N3OS
    4-methyl-N-(4-methylphenyl)-5-[5-(4-methylphenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-amine
    —— 4-(1-(carboxymethyl)-5-fluoro-2-methyl-7-{(E)-2-[4-(4-phenoxybutoxy)phenyl]vinyl}-1H-indol-3-yl)butanoic acid 908136-61-8 C33H34FNO6
    4-(1-(carboxymethyl)-5-fluoro-2-methyl-7-{(E)-2-[4-(4-phenoxybutoxy)phenyl]vinyl}-1H-indol-3-yl)butanoic acid
    —— 4-Bromo-3-ethylbenzenepropanoic acid 1806307-11-8 C11H13BrO2
    4-Bromo-3-ethylbenzenepropanoic acid
    —— 4-[(1S)-1-aminobutyl]-2-iodo-6-methoxyphenol 1213437-29-6 C11H16INO2
    4-[(1S)-1-aminobutyl]-2-iodo-6-methoxyphenol
    —— 4-Nitrophenyl (2S,4R)-4-(acetylthio)-2-(hydroxymethyl)-1-pyrrolidinecarboxylate 1178549-80-8 C14H16N2O6S
    4-Nitrophenyl (2S,4R)-4-(acetylthio)-2-(hydroxymethyl)-1-pyrrolidinecarboxylate
    —— 4,4,6,6,8,8-Hexamethyl-2,3,4,6,7,8-hexahydrocyclopenta[g]chromene 102296-64-0 C18H26O
    4,4,6,6,8,8-Hexamethyl-2,3,4,6,7,8-hexahydrocyclopenta[g]chromene
    —— 4-{3-[(aminocarbonyl)amino]phenyl}butyl methanesulfonate 620601-09-4 C12H18N2O4S
    4-{3-[(aminocarbonyl)amino]phenyl}butyl methanesulfonate
    —— 4-Cyanophenyl-N-trichloracetylcarbamat 65343-48-8 C10H5Cl3N2O3
    4-Cyanophenyl-N-trichloracetylcarbamat
    —— 4-[2-(3-Acetylaminoprop-1-yl)oxybenzoyl]amino-3-methoxy-N-(2-acetoxy-4-methylphenyl)-N-methylbenzamide 186660-24-2 C30H33N3O7
    4-[2-(3-Acetylaminoprop-1-yl)oxybenzoyl]amino-3-methoxy-N-(2-acetoxy-4-methylphenyl)-N-methylbenzamide
    —— 4-Ethyl-2-[1-[[4-(phenylamino)phenyl]amino]propyl]phenol 63909-11-5 C23H26N2O
    4-Ethyl-2-[1-[[4-(phenylamino)phenyl]amino]propyl]phenol
    —— 4'-amino-6-methoxycaprophenone O-(2-aminoethyl) oxime 61718-72-7 C15H25N3O2
    4'-amino-6-methoxycaprophenone O-(2-aminoethyl) oxime
    —— 4-[(3,5-difluorobenzyl)amino]-6-({4-[(2-hydroxyethyl)amino]phenyl}amino)pyridine-3-carboxyamide 1227864-76-7 C21H21F2N5O2
    4-[(3,5-difluorobenzyl)amino]-6-({4-[(2-hydroxyethyl)amino]phenyl}amino)pyridine-3-carboxyamide
    —— 4-{2-[4-(4-fuoro-benzoyl)-piperidin-1-yl]-4-methyl-7-oxo-7H-pyrido[2,3-d]pyrimidin-8-yl}-N-(4-trifluoromethyl-benzyl)-benzamide 583876-73-7 C35H29F4N5O3
    4-{2-[4-(4-fuoro-benzoyl)-piperidin-1-yl]-4-methyl-7-oxo-7H-pyrido[2,3-d]pyrimidin-8-yl}-N-(4-trifluoromethyl-benzyl)-benzamide
    —— 4,4-dicyano-2e,6e-di(p-methylbenzoyl)-3e,5e-diphenylthiane 1214885-12-7 C35H28N2O2S
    4,4-dicyano-2e,6e-di(p-methylbenzoyl)-3e,5e-diphenylthiane
    —— 4-Chloro-2-[(4-chlorophenyl)methyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine 900455-88-1 C17H14Cl2N2S
    4-Chloro-2-[(4-chlorophenyl)methyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine
    —— 4-{8-[(3-aminopropyl)amino]-6-bromoimidazo[1,2-a]pyrazin-3-yI}-2-chloro-N-cyclopropylbenzamide 1383104-92-4 C19H20BrClN6O
    4-{8-[(3-aminopropyl)amino]-6-bromoimidazo[1,2-a]pyrazin-3-yI}-2-chloro-N-cyclopropylbenzamide
    —— 4-Tribrommethyl-2-thiazolcarbonsaeure-ethylester 78502-76-8 C7H6Br3NO2S
    4-Tribrommethyl-2-thiazolcarbonsaeure-ethylester
    —— 4-{3E-[5(2-CYCLOPROPYL-1H-IMIDAZOL-4-YL)-2,4-DIMETHOXYPHENYL]ACRYLOYL}benzenesulfonamide 552845-52-0 C23H23N3O5S
    4-{3E-[5(2-CYCLOPROPYL-1H-IMIDAZOL-4-YL)-2,4-DIMETHOXYPHENYL]ACRYLOYL}benzenesulfonamide
    —— 4-chloro-3-ethyl-6-phenylisoxazolo<5,4-d>pyrimidine 175348-24-0 C13H10ClN3O
    4-chloro-3-ethyl-6-phenylisoxazolo<5,4-d>pyrimidine
    —— 4-methoxy-N-((S)-1,1,1-trifluoro-2-methyl-3-(2-((S)-p-tolylsulfinyl)phenyl)propan-2-yl)aniline 1092116-40-9 C24H24F3NO2S
    4-methoxy-N-((S)-1,1,1-trifluoro-2-methyl-3-(2-((S)-p-tolylsulfinyl)phenyl)propan-2-yl)aniline
    —— 4-amino-1-[(2R,6S,7R)-6-hydroxy-7-(hydroxymethyl)-2,3,6,7-tetrahydrooxepin-2-yl]pyrimidin-2-one 927421-22-5 C11H15N3O4
    4-amino-1-[(2R,6S,7R)-6-hydroxy-7-(hydroxymethyl)-2,3,6,7-tetrahydrooxepin-2-yl]pyrimidin-2-one
    —— 4-methylbenzyl 4-({[4-(1-hydroxy-1-methylethyl)benzoyl]amino}methyl)piperidine-1-carboxylate 471250-56-3 C25H32N2O4
    4-methylbenzyl 4-({[4-(1-hydroxy-1-methylethyl)benzoyl]amino}methyl)piperidine-1-carboxylate
    —— 4-[2-(2-hydroxyethyl)phenyl]but-3-yn-1-ol 1643675-23-3 C12H14O2
    4-[2-(2-hydroxyethyl)phenyl]but-3-yn-1-ol
    —— (4-Methylphenyl)(diphenyl)sulfanium 4,4,5,5,6,6-hexafluoro-1,1,3,3-tetraoxo-1lambda6,3lambda6,2-dithiazinan-2-ide 862261-51-6 C22H17F6NO4S3
    (4-Methylphenyl)(diphenyl)sulfanium 4,4,5,5,6,6-hexafluoro-1,1,3,3-tetraoxo-1lambda6,3lambda6,2-dithiazinan-2-ide
    —— 4-[(3,5-dimethyl-1,2-oxazol-4-yl)methoxy]-N-pyridin-2-ylbenzamide 930482-68-1 C18H17N3O3
    4-[(3,5-dimethyl-1,2-oxazol-4-yl)methoxy]-N-pyridin-2-ylbenzamide
    —— 4,6(1H,5H)-Pyrimidinedione, 5-[5-(1,3-diethyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-1,3-pentadien-1-yl]-1,3-diethyldihydro-2-thioxo-, radical ion(1-), silver(1+) (1:1) 68892-08-0 C21H26AgN4O4S2+
    4,6(1H,5H)-Pyrimidinedione, 5-[5-(1,3-diethyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-1,3-pentadien-1-yl]-1,3-diethyldihydro-2-thioxo-, radical ion(1-), silver(1+) (1:1)
    —— 4-[[(4,5-Dihydro-7-methoxynaphtho[1,2-d]thiazol-2-yl)imino]methyl]-2-ethoxyphenol 340220-08-8 C21H20N2O3S
    4-[[(4,5-Dihydro-7-methoxynaphtho[1,2-d]thiazol-2-yl)imino]methyl]-2-ethoxyphenol
    —— 4-[(Fluorohydroxyphosphinyl)methyl]phenylalanine 156192-52-8 C10H13FNO4P
    4-[(Fluorohydroxyphosphinyl)methyl]phenylalanine
    —— 4H-1,3,4-Thiadiazine, 5-methyl-2-(1-piperazinyl)- 1864074-94-1 C8H14N4S
    4H-1,3,4-Thiadiazine, 5-methyl-2-(1-piperazinyl)-
    —— 4,7-Ethano-4H-1,2,3-triazolo[4,5-b]pyridine 18429-13-5 C7H6N4
    4,7-Ethano-4H-1,2,3-triazolo[4,5-b]pyridine
    —— 4-Octenal, 4-methyl-8-oxo-8-phenyl-, (4E)- 2052900-00-0 C15H18O2
    4-Octenal, 4-methyl-8-oxo-8-phenyl-, (4E)-
    —— 4-[[2-Iodo-4-[[tetrahydro-1-(2-methylphenyl)-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene]methyl]phenoxy]methyl]benzoic acid 363571-90-8 C26H19IN2O5S
    4-[[2-Iodo-4-[[tetrahydro-1-(2-methylphenyl)-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene]methyl]phenoxy]methyl]benzoic acid
    —— 4-Quinolineethanol, I+/--[(3-ethenyl-4-piperidinyl)methyl]-6-methoxy-, [3R-[3I+/-,4I+/-(S*)]]- 26599-77-9 C20H26N2O2
    4-Quinolineethanol, I+/--[(3-ethenyl-4-piperidinyl)methyl]-6-methoxy-, [3R-[3I+/-,4I+/-(S*)]]-
    —— 4-[(2S,3S)-3-(hydroxymethyl)oxiran-2-yl]phenyl acetate 94723-94-1 C11H12O4
    4-[(2S,3S)-3-(hydroxymethyl)oxiran-2-yl]phenyl acetate
    —— 4',4'-diphenyl-2'-(2,2,6,6-tetramethylpiperidino)spiro{fluorene-9,3'-{1,2}thiaboretane} 150112-28-0 C35H36BNS
    4',4'-diphenyl-2'-(2,2,6,6-tetramethylpiperidino)spiro{fluorene-9,3'-{1,2}thiaboretane}
    —— 4-(4-hydroxy-cyclohexyloxy)-2-trifluoromethylbenzonitrile 1258838-30-0 C14H14F3NO2
    4-(4-hydroxy-cyclohexyloxy)-2-trifluoromethylbenzonitrile
    —— 4'-ethyl-2-nitro-1,1'-biphenyl 166589-62-4 C14H13NO2
    4'-ethyl-2-nitro-1,1'-biphenyl
    —— (4-Azidomethyl-2-nitro-phenyl)-carbamic acid tert-butyl ester 866005-29-0 C12H15N5O4
    (4-Azidomethyl-2-nitro-phenyl)-carbamic acid tert-butyl ester
    —— 4,5,6,7-Tetrachloro-1-ethyl-1H-benzotriazole 101495-64-1 C8H5Cl4N3
    4,5,6,7-Tetrachloro-1-ethyl-1H-benzotriazole