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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid pentyl ester 23824-28-4 C16H23NO4
    4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid pentyl ester
    —— 4-Nitro-benzenesulfonic acid 1-cyano-vinyl ester 31367-86-9 C9H6N2O5S
    4-Nitro-benzenesulfonic acid 1-cyano-vinyl ester
    —— 4-(tert-butoxymethyl)-2-(3-(4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy)-5-((1-methyl-2-oxopyrrolidin-3-yl)oxy)benzamido)thiazole-5-carboxamide 1263402-53-4 C30H32N6O7S
    4-(tert-butoxymethyl)-2-(3-(4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy)-5-((1-methyl-2-oxopyrrolidin-3-yl)oxy)benzamido)thiazole-5-carboxamide
    —— 4-amino-cyclohexanecarboxylic acid [3,5-bis-(3-carbamimidoyl-benzyloxy)-phenyl]-amide 1256590-78-9 C29H34N6O3
    4-amino-cyclohexanecarboxylic acid [3,5-bis-(3-carbamimidoyl-benzyloxy)-phenyl]-amide
    —— (4a<i>R</i>)-6<i>t</i>-(6-amino-purin-9-yl)-2ξ-(4-nitro-phenoxy)-3-octyl-2ξ-thioxo-(4a<i>r</i>,7a<i>t</i>)-hexahydro-2λ<sup>5</sup>-furo[2,3-<i>e</i>][1,3,2]oxazaphosphinin-7<i>c</i>-ol 39937-54-7 C24H32N7O6PS
    (4a<i>R</i>)-6<i>t</i>-(6-amino-purin-9-yl)-2ξ-(4-nitro-phenoxy)-3-octyl-2ξ-thioxo-(4a<i>r</i>,7a<i>t</i>)-hexahydro-2λ<sup>5</sup>-furo[2,3-<i>e</i>][1,3,2]oxazaphosphinin-7<i>c</i>-ol
    —— 4-nitrophenyl (tert-butoxycarbonyl)-D-alanyl-D-alaninate 1334429-05-8 C17H23N3O7
    4-nitrophenyl (tert-butoxycarbonyl)-D-alanyl-D-alaninate
    —— 4-[5-(benzyloxy)pyridin-3-yl]-9H-carbazole 1190423-62-1 C24H18N2O
    4-[5-(benzyloxy)pyridin-3-yl]-9H-carbazole
    —— (4-{2-[(Piperidine-1-carbonyl)-amino]-ethyl}-phenoxy)-acetic acid ethyl ester 64985-44-0 C18H26N2O4
    (4-{2-[(Piperidine-1-carbonyl)-amino]-ethyl}-phenoxy)-acetic acid ethyl ester
    —— 4-[(S)-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-4-(2-morpholin-4-yl-ethoxycarbonyl)-butyryl]-piperazine-1-carboxylic acid ethyl ester 1163794-24-8 C39H54N8O10
    4-[(S)-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-4-(2-morpholin-4-yl-ethoxycarbonyl)-butyryl]-piperazine-1-carboxylic acid ethyl ester
    —— (4-chlorophenyl)(3-fluorophenyl)methanamine 1016729-28-4 C13H11ClFN
    (4-chlorophenyl)(3-fluorophenyl)methanamine
    —— 4-Iodo-3-oxo-N-phenyl-2-(phenyl-hydrazono)-butyramide 35573-27-4 C16H14IN3O2
    4-Iodo-3-oxo-N-phenyl-2-(phenyl-hydrazono)-butyramide
    —— 4-Benzamido-3-octyl-benzoat 25344-84-7 C22H27NO3
    4-Benzamido-3-octyl-benzoat
    —— (4-bromo-2-fluorophenyl)propynoic acid ethyl ester 1396008-19-7 C11H8BrFO2
    (4-bromo-2-fluorophenyl)propynoic acid ethyl ester
    —— 4-hydroxy-1-methyl-3-(thiophen-2-yl)-1,5-dihydro-2H-pyrrol-2-one 1219943-52-8 C9H9NO2S
    4-hydroxy-1-methyl-3-(thiophen-2-yl)-1,5-dihydro-2H-pyrrol-2-one
    —— (+)-4-<4-n-pentyl-2,6-bis(2-ethoxyethyl)phenyl>-6,6-dimethyl-2-norpinanone 128660-91-3 C28H44O5
    (+)-4-<4-n-pentyl-2,6-bis(2-ethoxyethyl)phenyl>-6,6-dimethyl-2-norpinanone
    —— 4-[3-[4-(3-aminopropanoylamino)phenyl]indazol-1-yl]benzamide 1609659-40-6 C23H21N5O2
    4-[3-[4-(3-aminopropanoylamino)phenyl]indazol-1-yl]benzamide
    —— 4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid hydrazide 23824-13-7 C11H15N3O3
    4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid hydrazide
    —— 4-{2-[4-(4-chloro-benzoyl)-phenoxy]-2-methyl-propionyl}-morpholine 42019-10-3 C21H22ClNO4
    4-{2-[4-(4-chloro-benzoyl)-phenoxy]-2-methyl-propionyl}-morpholine
    —— 4-{6-[4-(trifluoromethoxy)phenyl][1,2,4]triazolo[4,3-a]pyridin-3 yl}benzenesulfonamide 1262618-54-1 C19H13F3N4O3S
    4-{6-[4-(trifluoromethoxy)phenyl][1,2,4]triazolo[4,3-a]pyridin-3 yl}benzenesulfonamide
    —— 4-(2-chlorophenyl)-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxamide 1239504-70-1 C18H13ClN4OS
    4-(2-chlorophenyl)-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxamide
    —— 4-(4-ethylamino-6-morpholin-4-yl-[1,3,5]triazin-2-yl)-piperazine-1-carboxylic acid isopropyl ester 21997-65-9 C17H29N7O3
    4-(4-ethylamino-6-morpholin-4-yl-[1,3,5]triazin-2-yl)-piperazine-1-carboxylic acid isopropyl ester
    —— 4-diethylamino-6-isopropylamino-1<i>H</i>-[1,3,5]triazine-2-thione 91351-76-7 C10H19N5S
    4-diethylamino-6-isopropylamino-1<i>H</i>-[1,3,5]triazine-2-thione
    —— 4-((S)-4-carboxy-2-{[5-[2-((S)-2-(2,2,2-trifluoroethylcarbamoyl)-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-(3-fluoro-phenyl)-1H-pyrazole-3-carbonyl]-amino}-butyryl)-piperazine-1-carboxylic acid ethyl ester 1163791-79-4 C31H37F4N7O9
    4-((S)-4-carboxy-2-{[5-[2-((S)-2-(2,2,2-trifluoroethylcarbamoyl)-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-(3-fluoro-phenyl)-1H-pyrazole-3-carbonyl]-amino}-butyryl)-piperazine-1-carboxylic acid ethyl ester
    —— 4-[4-bromo-2-(N-ethyl-N-methoxycarbonylamino)-3-methoxybenzoyl]-5-cyclopropylisoxazole 170108-27-7 C18H19BrN2O5
    4-[4-bromo-2-(N-ethyl-N-methoxycarbonylamino)-3-methoxybenzoyl]-5-cyclopropylisoxazole
    —— 4-Methyl-s-triazolo <4,3-d>-v-triazolo <4,5-d>pyridazin 28689-90-9 C6H5N7
    4-Methyl-s-triazolo <4,3-d>-v-triazolo <4,5-d>pyridazin
    —— (4-methoxy-2,5-dioxo-2<i>H</i>,5<i>H</i>-pyrano[4,3-<i>b</i>]pyran-7-yl)-acetic acid methyl ester 33524-95-7 C12H10O7
    (4-methoxy-2,5-dioxo-2<i>H</i>,5<i>H</i>-pyrano[4,3-<i>b</i>]pyran-7-yl)-acetic acid methyl ester
    —— [4-[(2-methylpropan-2-yl)oxycarbonyl]phenyl]methyl (6R,7S)-3-(acetyloxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate 128472-60-6 C23H27NO8S
    [4-[(2-methylpropan-2-yl)oxycarbonyl]phenyl]methyl (6R,7S)-3-(acetyloxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate
    —— 4-oxido-5-propylpyrazin-4-ium-2-carboxamide 74416-14-1 C8H11N3O2
    4-oxido-5-propylpyrazin-4-ium-2-carboxamide
    —— 4-methyl-2-(morpholinomethyl)-6-((1RS,2SR,4SR)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl)phenol 1315449-88-7 C22H33NO2
    4-methyl-2-(morpholinomethyl)-6-((1RS,2SR,4SR)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl)phenol
    —— 4-(tert-Butyl-dimethyl-silanyloxy)-4-((Z)-6-trimethylsilanyl-hex-3-ene-1,5-diynyl)-cyclohexanone 185399-84-2 C21H34O2Si2
    4-(tert-Butyl-dimethyl-silanyloxy)-4-((Z)-6-trimethylsilanyl-hex-3-ene-1,5-diynyl)-cyclohexanone
    —— 4-(2-iodoethyl)-1,1'-biphenyl 178685-10-4 C14H13I
    4-(2-iodoethyl)-1,1'-biphenyl
    —— 4-[2-(6-methoxy-2-naphthyl)propionamido]phenol 136404-15-4 C20H19NO3
    4-[2-(6-methoxy-2-naphthyl)propionamido]phenol
    —— 4,7,8,9-tetra-O-acetyl-2,3-dehydro-2-deoxy-5-N-(2,2,3,3,3-pentafluoropropyonil)-β-neuraminic acid methyl ester 1243249-81-1 C21H24F5NO12
    4,7,8,9-tetra-O-acetyl-2,3-dehydro-2-deoxy-5-N-(2,2,3,3,3-pentafluoropropyonil)-β-neuraminic acid methyl ester
    —— 4-Nitro-2-hydroxy-benzoesaeure-(2-diethylamino-ethyl)-ester 806658-11-7 C13H18N2O5
    4-Nitro-2-hydroxy-benzoesaeure-(2-diethylamino-ethyl)-ester
    —— 4'',6''-O-ethylidenemaltotriose 144152-01-2 C20H34O16
    4'',6''-O-ethylidenemaltotriose
    —— (4-chloroquinolin-2-yloxy)acetic acid ethyl ester 1380598-33-3 C13H12ClNO3
    (4-chloroquinolin-2-yloxy)acetic acid ethyl ester
    —— 4-cyano-N-(pivaloyloxy)benzamide 1414350-90-5 C13H14N2O3
    4-cyano-N-(pivaloyloxy)benzamide
    —— 4-Benzyloxy-3-(2,4-bis-benzyloxy-6-pentyl-benzoyl)-6-methoxy-2-pentyl-benzoic acid methyl ester 78150-51-3 C47H52O7
    4-Benzyloxy-3-(2,4-bis-benzyloxy-6-pentyl-benzoyl)-6-methoxy-2-pentyl-benzoic acid methyl ester
    —— 4-Bromo-3-oxo-N-phenyl-2-(phenyl-hydrazono)-butyramide 35573-18-3 C16H14BrN3O2
    4-Bromo-3-oxo-N-phenyl-2-(phenyl-hydrazono)-butyramide
    —— 4-Isopropyl-1,5-diphenyl-3-acetyl-1,2,4-triazoliumchlorid 21614-28-8 C19H20N3O*Cl
    4-Isopropyl-1,5-diphenyl-3-acetyl-1,2,4-triazoliumchlorid
    —— 4-isopropylidene-2-(1-methyl-2-phenyl-vinyl)-oxazol-5-one 49659-65-6 C15H15NO2
    4-isopropylidene-2-(1-methyl-2-phenyl-vinyl)-oxazol-5-one
    —— 4,6-dichloro-3-(4-chloro-benzyl)-quinoline-7-carboxylic acid ethyl ester 30836-58-9 C19H14Cl3NO2
    4,6-dichloro-3-(4-chloro-benzyl)-quinoline-7-carboxylic acid ethyl ester
    —— 4,4'-di-furan-2-yl-[2,2']bithiazolyl 39696-25-8 C14H8N2O2S2
    4,4'-di-furan-2-yl-[2,2']bithiazolyl
    —— 4,5,6-Tri-O-acetyl-1-O-p-toluolsulfonyl-myo-inositol 34379-13-0 C19H24O11S
    4,5,6-Tri-O-acetyl-1-O-p-toluolsulfonyl-myo-inositol
    —— (4a'S,10a'S)-2-amino-8'-(2-fluoropyridin-3-yl)-1-methyl-3',4',4a',10a'-tetrahydro-2'H-spiro[imidazole-4,10'-pyrano[3,2-b]chromene]-5(1H)-one 1369627-52-0 C20H19FN4O3
    (4a'S,10a'S)-2-amino-8'-(2-fluoropyridin-3-yl)-1-methyl-3',4',4a',10a'-tetrahydro-2'H-spiro[imidazole-4,10'-pyrano[3,2-b]chromene]-5(1H)-one
    —— 4-(6-Methoxy-2-naphthylamino)pentanon-2 37846-11-0 C16H17NO2
    4-(6-Methoxy-2-naphthylamino)pentanon-2
    —— 4-oxo-3-(4-sulfamoyl-phenyl)-3,4-dihydro-quinazoline-2-carboxylic acid amide 30689-32-8 C15H12N4O4S
    4-oxo-3-(4-sulfamoyl-phenyl)-3,4-dihydro-quinazoline-2-carboxylic acid amide
    —— 4-Phenyl-1-p-tolyl-1,2,3,4-tetrahydro-pyridine-2,3-dicarboxylic acid 38477-65-5 C20H19NO4
    4-Phenyl-1-p-tolyl-1,2,3,4-tetrahydro-pyridine-2,3-dicarboxylic acid
    —— 4,9-Dithia-tricyclo[5.3.2.2<sup>2,6</sup>]tetradeca-1(10),2,5,7-tetraene 36762-48-8 C12H12S2
    4,9-Dithia-tricyclo[5.3.2.2<sup>2,6</sup>]tetradeca-1(10),2,5,7-tetraene
    —— (4-dimethylamino-2-methyl-phenyl)-(2,3,6,7-tetrahydro-1<i>H</i>,5<i>H</i>-pyrido[3,2,1-<i>ij</i>]quinolin-9-yl)-methanol 33229-64-0 C22H28N2O
    (4-dimethylamino-2-methyl-phenyl)-(2,3,6,7-tetrahydro-1<i>H</i>,5<i>H</i>-pyrido[3,2,1-<i>ij</i>]quinolin-9-yl)-methanol