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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-[(R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-cyclopent-1-enylsulfanyl]-butyraldehyde 99267-06-8 C15H26O3SSi
    4-[(R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-cyclopent-1-enylsulfanyl]-butyraldehyde
    —— 4-Chloro-2-(5-isoxazolyl)-5-methylphenyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside 1011721-64-4 C21H22ClNO8S
    4-Chloro-2-(5-isoxazolyl)-5-methylphenyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside
    —— 4-acetylphenyl 4-chlorophenyl selenide 221638-90-0 C14H11ClOSe
    4-acetylphenyl 4-chlorophenyl selenide
    —— 4,4'-methanediyl-bis-benzenesulfonic acid 14845-92-2 C13H12O6S2
    4,4'-methanediyl-bis-benzenesulfonic acid
    —— 4-(2-bromoethoxy)-3-(p-tolyl)furan-2(5H)-one 1504595-20-3 C13H13BrO3
    4-(2-bromoethoxy)-3-(p-tolyl)furan-2(5H)-one
    —— 4-[2-Amino-4-(4-methoxy-phenyl)-thiazol-5-ylazo]-N-(2,6-dimethoxy-pyrimidin-4-yl)-benzenesulfonamide 97855-17-9 C22H21N7O5S2
    4-[2-Amino-4-(4-methoxy-phenyl)-thiazol-5-ylazo]-N-(2,6-dimethoxy-pyrimidin-4-yl)-benzenesulfonamide
    —— 4-Amino-1-((2R,4S,5R)-4-trimethylsilanyloxy-5-trimethylsilanyloxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one 51432-42-9 C15H29N3O4Si2
    4-Amino-1-((2R,4S,5R)-4-trimethylsilanyloxy-5-trimethylsilanyloxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one
    —— {(4R,5S)-5-[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl}-carbamic acid benzyl ester 98361-99-0 C20H29NO7
    {(4R,5S)-5-[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl}-carbamic acid benzyl ester
    —— (4S)-4-ethyl-3,4-dihydroxy-9-methoxy-3,4-dihydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-14(12H)-one 1088402-95-2 C21H20N2O5
    (4S)-4-ethyl-3,4-dihydroxy-9-methoxy-3,4-dihydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-14(12H)-one
    —— 4-Bromo-2-[[5-[(5-bromo-2-hydroxyphenyl)methylideneamino]-3-hydroxypentyl]iminomethyl]phenol 263872-38-4 C19H20Br2N2O3
    4-Bromo-2-[[5-[(5-bromo-2-hydroxyphenyl)methylideneamino]-3-hydroxypentyl]iminomethyl]phenol
    —— (4a<i>S</i>,12a<i>S</i>)-8-methoxy-1,5,6,11,12,12a-hexahydro-2<i>H</i>-naphtho[8a,1,2-<i>de</i>]chromen-3-one 468-00-8 C17H20O3
    (4a<i>S</i>,12a<i>S</i>)-8-methoxy-1,5,6,11,12,12a-hexahydro-2<i>H</i>-naphtho[8a,1,2-<i>de</i>]chromen-3-one
    —— 4,4,6,6-Tetrachloro-2-isocyanato-2λ5,4λ5,6λ5-[1,3,5,2,4,6]triazatriphosphinin-2-ylamine 155781-42-3 CH2Cl4N5OP3
    4,4,6,6-Tetrachloro-2-isocyanato-2λ5,4λ5,6λ5-[1,3,5,2,4,6]triazatriphosphinin-2-ylamine
    —— (4-Octylsulfonyloxyimino-cyclohexa-2,5-dienylidene)-(2,4-dichlorophenyl)-acetonitrile 219651-44-2 C22H24Cl2N2O3S
    (4-Octylsulfonyloxyimino-cyclohexa-2,5-dienylidene)-(2,4-dichlorophenyl)-acetonitrile
    —— 4-Methyl-benzaldehyd-4-fluorphenylhydrazon 21719-70-0 C14H13FN2
    4-Methyl-benzaldehyd-4-fluorphenylhydrazon
    —— 4-[5-[(5-Iodo-2-methylphenyl)methyl]thiophen-2-yl]benzoic acid 1373555-99-7 C19H15IO2S
    4-[5-[(5-Iodo-2-methylphenyl)methyl]thiophen-2-yl]benzoic acid
    —— 4-Hydroxy-tetrahydro-thiopyran-4-carboxylic acid propyl ester 87180-05-0 C9H16O3S
    4-Hydroxy-tetrahydro-thiopyran-4-carboxylic acid propyl ester
    —— 4,8-dimethyl-2-phenyl-1H-pyrrolo[3,4-c]quinoline-1,3(2H)-dione 120095-13-8 C19H14N2O2
    4,8-dimethyl-2-phenyl-1H-pyrrolo[3,4-c]quinoline-1,3(2H)-dione
    —— 4-(3-Chlorophenyl)sulfanyl-2-methyl-5-methylsulfonylbenzoyl chloride 1026240-86-7 C15H12Cl2O3S2
    4-(3-Chlorophenyl)sulfanyl-2-methyl-5-methylsulfonylbenzoyl chloride
    —— 4-chloro-4-deoxy-2,3-O-isopropylidene-α-D-galactopyranosyl 3,4-di-O-acetyl-1,6-dichloro-1,6-dideoxy-β-D-fructofuranoside 90539-01-8 C19H27Cl3O10
    4-chloro-4-deoxy-2,3-O-isopropylidene-α-D-galactopyranosyl 3,4-di-O-acetyl-1,6-dichloro-1,6-dideoxy-β-D-fructofuranoside
    —— 4-biphenylacetyl-tetrakis(Nγ-trichloroethoxycarbonyl)colistin (2-10) 1013029-07-6 C66H90Cl12N14O20
    4-biphenylacetyl-tetrakis(Nγ-trichloroethoxycarbonyl)colistin (2-10)
    —— 4-benzyloxy-2-hydroxy-6-pentylbenzoic acid 53530-19-1 C19H22O4
    4-benzyloxy-2-hydroxy-6-pentylbenzoic acid
    —— 4'-O-ethyl-naringin 1419853-53-4 C29H36O14
    4'-O-ethyl-naringin
    —— 4,N-dibromoacetanilide 99233-43-9 C8H7Br2NO
    4,N-dibromoacetanilide
    —— 4-methyl-3<i>H</i>-thiazole-2-thione; sodium salt 40107-54-8 C4H4NS2*Na
    4-methyl-3<i>H</i>-thiazole-2-thione; sodium salt
    —— [4-(Tetrahydro-pyran-2-yloxy)-phenyl]-acetic acid (1S,2R,4S)-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester 114653-02-0 C23H32O4
    [4-(Tetrahydro-pyran-2-yloxy)-phenyl]-acetic acid (1S,2R,4S)-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester
    —— 4-{[2-(4-nitrophenyl)ethoxycarbonyl]amino}-N1-[5-O-(4-monomethoxytrityl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridine 738613-49-5 C40H37N5O9
    4-{[2-(4-nitrophenyl)ethoxycarbonyl]amino}-N1-[5-O-(4-monomethoxytrityl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridine
    —— 4-(4-chloro-6-(dimethylamino)-1,3,5-triazin-2-yl)-benzaldehyde 1342231-05-3 C12H11ClN4O
    4-(4-chloro-6-(dimethylamino)-1,3,5-triazin-2-yl)-benzaldehyde
    —— 4-hydroxy-4-phenylbutanoyl azide 1256843-56-7 C10H11N3O2
    4-hydroxy-4-phenylbutanoyl azide
    —— 4,5,6,7-tetrahydro-1 H-benzimidazole-5-carboxylic acid ((1 R)-(naphth-1-yl)ethyl)amide 724699-96-1 C20H21N3O
    4,5,6,7-tetrahydro-1 H-benzimidazole-5-carboxylic acid ((1 R)-(naphth-1-yl)ethyl)amide
    —— 4-(1-{1-[5-Methyl-2-(4-trifluoromethyl-phenyl)-1H-imidazol-4-ylmethyl]-piperidin-4-yl}-3-phenyl-ureidomethyl)-benzoic acid methyl ester 466664-60-8 C33H34F3N5O3
    4-(1-{1-[5-Methyl-2-(4-trifluoromethyl-phenyl)-1H-imidazol-4-ylmethyl]-piperidin-4-yl}-3-phenyl-ureidomethyl)-benzoic acid methyl ester
    —— 4-oxo-N-[3-(trifluoromethyl)phenyl]-1H-quinoline-3-carboxamide 86540-16-1 C17H11F3N2O2
    4-oxo-N-[3-(trifluoromethyl)phenyl]-1H-quinoline-3-carboxamide
    —— 4-ethyl-6-iodo-2,3-dimethyl-2,3-dihydro-[1,2,3]diazaborinine 56705-09-0 C7H12BIN2
    4-ethyl-6-iodo-2,3-dimethyl-2,3-dihydro-[1,2,3]diazaborinine
    —— 4,6-dimethoxy-1-(phenylsulfonyl)-3-(p-tolyl)indole 1396790-26-3 C23H21NO4S
    4,6-dimethoxy-1-(phenylsulfonyl)-3-(p-tolyl)indole
    —— ((4-((3-cyclopropyl-1H-pyrazol-5-yl)amino)pyrrolo[2,1-f][1,2,4]triazin-2-yl)amino)acetic acid 1008107-50-3 C14H15N7O2
    ((4-((3-cyclopropyl-1H-pyrazol-5-yl)amino)pyrrolo[2,1-f][1,2,4]triazin-2-yl)amino)acetic acid
    —— 4-methoxy-N-cinnamoyl-L-serine 1104383-86-9 C13H15NO5
    4-methoxy-N-cinnamoyl-L-serine
    —— 4'-Undec-10-enyloxy-biphenyl-4-carboxylic acid 4-((R)-1-methyl-non-8-enyloxy)-3-nitro-phenyl ester 180594-90-5 C40H51NO6
    4'-Undec-10-enyloxy-biphenyl-4-carboxylic acid 4-((R)-1-methyl-non-8-enyloxy)-3-nitro-phenyl ester
    —— 4-[5-(4-Pentyloxy-phenyl)-[1,3,4]thiadiazol-2-yl]-phenol 121679-51-4 C19H20N2O2S
    4-[5-(4-Pentyloxy-phenyl)-[1,3,4]thiadiazol-2-yl]-phenol
    —— 4-<(E,2R,4S)-5-(2-Acetoxyethylidene)-2-methoxytetrahydro-2H-pyran-4-yl>butan-2-one 172702-40-8 C14H22O5
    4-<(E,2R,4S)-5-(2-Acetoxyethylidene)-2-methoxytetrahydro-2H-pyran-4-yl>butan-2-one
    —— 4-(2-bromoethoxy)-3-(2-fluorophenyl)furan-2(5H)-one 1514779-07-7 C12H10BrFO3
    4-(2-bromoethoxy)-3-(2-fluorophenyl)furan-2(5H)-one
    —— (4R)-4-[3-hydroxy-4-[(2R,3R,7R,10S)-2,3,10-trimethyl-1,4,6-trioxaspiro[4.5]decan-7-yl]butanoyl]-3-[(4-methoxyphenyl)methyl]-1,3-thiazolidin-2-one 101860-56-4 C25H35NO7S
    (4R)-4-[3-hydroxy-4-[(2R,3R,7R,10S)-2,3,10-trimethyl-1,4,6-trioxaspiro[4.5]decan-7-yl]butanoyl]-3-[(4-methoxyphenyl)methyl]-1,3-thiazolidin-2-one
    —— 4-O-<(8'S)-7'-N,6'-O-carbonyl-2',3',7'-trideoxy-8'-O-methyl-7'-(methylamino)-2'-(tosylamino)-D-glycero-α-D-allo-octodialdo-1',5':8',4'-dipyranos-1'-yl>-5,6-O-cyclohexylidene-1,3-di-N-tosyl-2-deoxystreptamine 88970-43-8 C44H56N4O14S3
    4-O-<(8'S)-7'-N,6'-O-carbonyl-2',3',7'-trideoxy-8'-O-methyl-7'-(methylamino)-2'-(tosylamino)-D-glycero-α-D-allo-octodialdo-1',5':8',4'-dipyranos-1'-yl>-5,6-O-cyclohexylidene-1,3-di-N-tosyl-2-deoxystreptamine
    —— 4-iodoacetyl-8-nitro-1-phenyl-3,4-dihydro-1<i>H</i>-benzo[<i>e</i>][1,4]diazepine-2,5-dione 53277-85-3 C17H12IN3O5
    4-iodoacetyl-8-nitro-1-phenyl-3,4-dihydro-1<i>H</i>-benzo[<i>e</i>][1,4]diazepine-2,5-dione
    —— 4-amino-1-benzyl-3-methyl-4-phenyl-1,4-dihydropyrazol-5-one 1239915-50-4 C17H17N3O
    4-amino-1-benzyl-3-methyl-4-phenyl-1,4-dihydropyrazol-5-one
    —— (4E,6S,8S)-6,8-dimethyldec-4-en-1-ol 1224714-22-0 C12H24O
    (4E,6S,8S)-6,8-dimethyldec-4-en-1-ol
    —— (4-amino-3,5-dinitro-phenoxy)-acetic acid 861613-09-4 C8H7N3O7
    (4-amino-3,5-dinitro-phenoxy)-acetic acid
    —— 4,5-dimethoxy-2-methyl-6-phenyl-2<i>H</i>-pyridazin-3-one 7692-08-2 C13H14N2O3
    4,5-dimethoxy-2-methyl-6-phenyl-2<i>H</i>-pyridazin-3-one
    —— 4-amino-6-benzyl-3-hydrazinyl-1,2,4-triazin-5(4H)-one 858779-98-3 C10H12N6O
    4-amino-6-benzyl-3-hydrazinyl-1,2,4-triazin-5(4H)-one
    —— 4-O-(2-acetamido-4,6-di-O-allyl-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-2,3-O-isopropylidene-aldehydo-D-glucose dimethyl acetal 131070-22-9 C32H49NO12
    4-O-(2-acetamido-4,6-di-O-allyl-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-2,3-O-isopropylidene-aldehydo-D-glucose dimethyl acetal
    —— 4-cyano-1-(2,4-dichloro-phenyl)-5-(naphthalen-2-yloxy)-1H-pyrazole-3-carboxylic acid quinolin-2-ylamide 795303-63-8 C30H17Cl2N5O2
    4-cyano-1-(2,4-dichloro-phenyl)-5-(naphthalen-2-yloxy)-1H-pyrazole-3-carboxylic acid quinolin-2-ylamide
    —— 4-[(1-isopropyl-1<i>H</i>-tetrazol-5-yl)-pyrrolidin-1-yl-methyl]-pyridine 13327-07-6 C14H20N6
    4-[(1-isopropyl-1<i>H</i>-tetrazol-5-yl)-pyrrolidin-1-yl-methyl]-pyridine