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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Acetyl-2-benzyl-4-nitro-6-phenyl-2H-pyridazin-3-one 134843-02-0 C19H15N3O4
    5-Acetyl-2-benzyl-4-nitro-6-phenyl-2H-pyridazin-3-one
    —— 5-Azido-1-(cyclopenten-1-yl)-2-methylidenepentan-1-one 929296-02-6 C11H15N3O
    5-Azido-1-(cyclopenten-1-yl)-2-methylidenepentan-1-one
    —— 5-bromo-2-(mesitylthio)-3,4-ethylenedioxythiophene 291308-75-3 C15H15BrO2S2
    5-bromo-2-(mesitylthio)-3,4-ethylenedioxythiophene
    —— 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-(3-(pentafluoro-λ<sup>6</sup>-sulfanyl)phenyl)-1H-pyrazole-3-carboxamide 1627941-98-3 C23H15Cl3F5N3OS
    5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-(3-(pentafluoro-λ<sup>6</sup>-sulfanyl)phenyl)-1H-pyrazole-3-carboxamide
    —— 5-(2-chlorophenyl)-5-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)-2,2-dimethylpentanoic acid hydrochloride 1373491-48-5 C20H24ClNO2S*ClH
    5-(2-chlorophenyl)-5-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)-2,2-dimethylpentanoic acid hydrochloride
    —— 5-chloro-3-hydroxy-1-methyl-3-((p-tolylamino)methyl)indolin-2-one 1330787-09-1 C17H17ClN2O2
    5-chloro-3-hydroxy-1-methyl-3-((p-tolylamino)methyl)indolin-2-one
    —— 5-((E)-4-Phenyl-but-1-enyl)-pyrimidine-4,6-diamine 876955-06-5 C14H16N4
    5-((E)-4-Phenyl-but-1-enyl)-pyrimidine-4,6-diamine
    —— ((5-chloro-1H-indole-2-sulfonyl)-(2-(-(1-(2-dimethylaminoethyl)-6-oxo-1,6-dihydropyridazin-3-yl)benzylamino)ethyl)amino)acetic acid 919110-28-4 C27H31ClN6O5S
    ((5-chloro-1H-indole-2-sulfonyl)-(2-(-(1-(2-dimethylaminoethyl)-6-oxo-1,6-dihydropyridazin-3-yl)benzylamino)ethyl)amino)acetic acid
    —— 5-propargyl-4-allyl-3-isobutoxy-2-methylcyclopent-2-en-1-one 117781-01-8 C16H22O2
    5-propargyl-4-allyl-3-isobutoxy-2-methylcyclopent-2-en-1-one
    —— 5-bromo-2-hydroxy-biphenyl-3-carboxylic acid-(2-hydroxy-ethylamide) 652150-41-9 C15H14BrNO3
    5-bromo-2-hydroxy-biphenyl-3-carboxylic acid-(2-hydroxy-ethylamide)
    —— 5-chloro-2-(1-(2,5-dichloropyrimidin-4-yl)azetidin-3-yl)-1H-benzo[d]imidazole 1350355-16-6 C14H10Cl3N5
    5-chloro-2-(1-(2,5-dichloropyrimidin-4-yl)azetidin-3-yl)-1H-benzo[d]imidazole
    —— 5,8-Dimethoxy-3-methyl-1-trimethylsilanyloxy-1,4,4a,9a-tetrahydro-anthraquinone 76695-91-5 C20H26O5Si
    5,8-Dimethoxy-3-methyl-1-trimethylsilanyloxy-1,4,4a,9a-tetrahydro-anthraquinone
    —— 5-(3,4-dibromophenyl)-1-[3,6-difluoro-4-(methylsulfonyl)phenyl]-3-(difluoromethyl)-1H-pyrazole 473302-83-9 C17H10Br2F4N2O2S
    5-(3,4-dibromophenyl)-1-[3,6-difluoro-4-(methylsulfonyl)phenyl]-3-(difluoromethyl)-1H-pyrazole
    —— 5-chloro-4-mercapto-2-methyl-2<i>H</i>-pyridazin-3-one 25818-71-7 C5H5ClN2OS
    5-chloro-4-mercapto-2-methyl-2<i>H</i>-pyridazin-3-one
    —— 5-<N-Benzoyl-piperidyl-(4')>-5-phenyl-2,4-oxazolidinedione 74529-75-2 C21H20N2O4
    5-<N-Benzoyl-piperidyl-(4')>-5-phenyl-2,4-oxazolidinedione
    —— 5-hydroxy-3-oxo-oct-4-enoic acid ethyl ester 919198-23-5 C10H16O4
    5-hydroxy-3-oxo-oct-4-enoic acid ethyl ester
    —— 5-[(2R,3R,4R)-4-acetamidomethyl-3-fluorooxetan-2-yl]-3-(4-methoxyphenyl)-1,2,4-oxadiazole 1354051-90-3 C15H16FN3O4
    5-[(2R,3R,4R)-4-acetamidomethyl-3-fluorooxetan-2-yl]-3-(4-methoxyphenyl)-1,2,4-oxadiazole
    —— 5-chloro-1H-indazole-3-carboxylic acid [3-(1H-tetrazol-5-yl)-phenyl]-amide 660823-05-2 C15H10ClN7O
    5-chloro-1H-indazole-3-carboxylic acid [3-(1H-tetrazol-5-yl)-phenyl]-amide
    —— 5-Phenyl-1-pentyl (2S)-1-(3,3-dimethyl-1,2-dioxopentyl)-2-pyrrolidinecarboxylate 409366-66-1 C23H33NO4
    5-Phenyl-1-pentyl (2S)-1-(3,3-dimethyl-1,2-dioxopentyl)-2-pyrrolidinecarboxylate
    —— 5-methoxycarbonylmethylidene-1,3-dimethylhexahydropyrimidine 1132093-80-1 C9H16N2O2
    5-methoxycarbonylmethylidene-1,3-dimethylhexahydropyrimidine
    —— 5-(2-chlorophenyl)-1-(2,6-dichlorophenyl)-7-(1,2,3,6-tetrahydropyridin-4-yl)quinolin-2(1H)-one 444665-26-3 C26H19Cl3N2O
    5-(2-chlorophenyl)-1-(2,6-dichlorophenyl)-7-(1,2,3,6-tetrahydropyridin-4-yl)quinolin-2(1H)-one
    —— 5-phenyl-2,3-dipropyl-isoxazolidine 39791-90-7 C15H23NO
    5-phenyl-2,3-dipropyl-isoxazolidine
    —— (+)-(5S,6S)-1-benzyl-5-(benzyloxy)-6-methyl-1,2,5,6-tetrahydro-2-pyridinone 614733-24-3 C20H21NO2
    (+)-(5S,6S)-1-benzyl-5-(benzyloxy)-6-methyl-1,2,5,6-tetrahydro-2-pyridinone
    —— 5-(bromomethyl)-2-methoxyoxane 1010704-26-3 C7H13BrO2
    5-(bromomethyl)-2-methoxyoxane
    —— 5,5-Dimethylspiro[2.3]hexane-4,6-dione 127451-57-4 C8H10O2
    5,5-Dimethylspiro[2.3]hexane-4,6-dione
    —— 5'-O-dimethoxytrityl-N3-(4-tert-butylbenzoyl)-2'-O-allyluridine 163071-14-5 C44H46N2O9
    5'-O-dimethoxytrityl-N3-(4-tert-butylbenzoyl)-2'-O-allyluridine
    —— 5-(2-aminoethyl)-1-methyl-1H-pyrazol-4-amine 1314967-70-8 C6H12N4
    5-(2-aminoethyl)-1-methyl-1H-pyrazol-4-amine
    —— 5-Amino-2-[4-(5-amino-6-hydroxy-1,3-benzoxazol-2-yl)phenyl]-1,3-benzoxazol-6-ol 174877-96-4 C20H14N4O4
    5-Amino-2-[4-(5-amino-6-hydroxy-1,3-benzoxazol-2-yl)phenyl]-1,3-benzoxazol-6-ol
    —— 5-[3-(2-cyano-3-iodophenoxy)phenoxy]isophthalonitrile 548465-72-1 C21H10IN3O2
    5-[3-(2-cyano-3-iodophenoxy)phenoxy]isophthalonitrile
    —— 5-{(E)-2-[6-(4-hydroxy-phenyl)-4-(piperazine-1-carbonyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-vinyl}-2-methyl-2,3-dihydro-isoindol-1-one 1426918-68-4 C28H26N6O3
    5-{(E)-2-[6-(4-hydroxy-phenyl)-4-(piperazine-1-carbonyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-vinyl}-2-methyl-2,3-dihydro-isoindol-1-one
    —— {5-[(1S)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]-6-aminopyridazin-3-yl}-N-(1-methyl-6-oxo-1,6-dihydro-pyridin-3-yl)carboxamide 1370652-57-5 C19H16Cl2FN5O3
    {5-[(1S)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]-6-aminopyridazin-3-yl}-N-(1-methyl-6-oxo-1,6-dihydro-pyridin-3-yl)carboxamide
    —— 5-bromo-N-neopentyl-3-nitropyridin-2-amine 1250639-63-4 C10H14BrN3O2
    5-bromo-N-neopentyl-3-nitropyridin-2-amine
    —— 5-bromo-2-(3-dimethylaminomethyl-benzoylamino)-thiophene-3-carboxylic acid methyl ester 773071-36-6 C16H17BrN2O3S
    5-bromo-2-(3-dimethylaminomethyl-benzoylamino)-thiophene-3-carboxylic acid methyl ester
    —— [5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,9-diazaspiro[2.6]nonan-9-yl]-(1H-triazol-4-yl)methanone 1354625-84-5 C16H18N8O
    [5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,9-diazaspiro[2.6]nonan-9-yl]-(1H-triazol-4-yl)methanone
    —— 5,7,7-trimethyl-7-germabicyclo{2.2.1}hept-5-ene-2,3-dicarboxylic acid anhydride 93380-60-0 C11H14GeO3
    5,7,7-trimethyl-7-germabicyclo{2.2.1}hept-5-ene-2,3-dicarboxylic acid anhydride
    —— (5Z,7E,22E)-(1S,3R,24S)-24-(3-hydroxy-2-methyl-1-oxopropoxy)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3-diol 528600-17-1 C31H46O5
    (5Z,7E,22E)-(1S,3R,24S)-24-(3-hydroxy-2-methyl-1-oxopropoxy)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3-diol
    —— 5-(m-tolyloxymethyl)thiophene-2-carbaldehyde 685904-58-9 C13H12O2S
    5-(m-tolyloxymethyl)thiophene-2-carbaldehyde
    —— 5-(4-methylphenyl)-3-(N-methyl-4-piperidyl)imino-2-(2-methyl-3-pyridyl)amino-3,5-dihydrophenazine 1353732-94-1 C31H32N6
    5-(4-methylphenyl)-3-(N-methyl-4-piperidyl)imino-2-(2-methyl-3-pyridyl)amino-3,5-dihydrophenazine
    —— 5-[2-Chloro-4-(3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-6-methyl-phenoxy]-2-hydroxy-benzoic acid 2,5-dioxo-pyrrolidin-1-yl ester 660409-81-4 C21H15ClN4O8
    5-[2-Chloro-4-(3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-6-methyl-phenoxy]-2-hydroxy-benzoic acid 2,5-dioxo-pyrrolidin-1-yl ester
    —— 5-(3,6-dioxo-cyclohexa-1,4-dienyl)-isoindoline-1,3-dione 6007-10-9 C14H7NO4
    5-(3,6-dioxo-cyclohexa-1,4-dienyl)-isoindoline-1,3-dione
    —— (5-phenyl-1(3)<i>H</i>-benzimidazol-2-ylmercapto)-acetic acid 111270-33-8 C15H12N2O2S
    (5-phenyl-1(3)<i>H</i>-benzimidazol-2-ylmercapto)-acetic acid
    —— 5-{6-[(methyl-naphthalen-1-ylmethyl-amino)-methyl]-pyridin-2-yl}-thiophene-2-carboxylic acid 656226-21-0 C23H20N2O2S
    5-{6-[(methyl-naphthalen-1-ylmethyl-amino)-methyl]-pyridin-2-yl}-thiophene-2-carboxylic acid
    —— (5R*,6S*)-7-methyl-2-oxa-4,6,8,9-tetraphenyl-3,7-diazaspiro<4.4>nona-3,8-dien-1-one 117712-02-4 C31H24N2O2
    (5R*,6S*)-7-methyl-2-oxa-4,6,8,9-tetraphenyl-3,7-diazaspiro<4.4>nona-3,8-dien-1-one
    —— 5-o-tolyl-2,3-dihydrofuro[3,2-c]pyridin-4(5H)-one 1067879-91-7 C14H13NO2
    5-o-tolyl-2,3-dihydrofuro[3,2-c]pyridin-4(5H)-one
    —— 5,6,7,8,9,10-Hexahydrocycloocta<b>furo<3,4-d>furan-1(3H)-on 113087-53-9 C12H14O3
    5,6,7,8,9,10-Hexahydrocycloocta<b>furo<3,4-d>furan-1(3H)-on
    —— 5-Bromo-2,4-dimethyl-6-phenyl-pyrimidine 146070-71-5 C12H11BrN2
    5-Bromo-2,4-dimethyl-6-phenyl-pyrimidine
    —— 5,5-Diphenyl-3-thioxo-pent-4-en-2-one 117749-95-8 C17H14OS
    5,5-Diphenyl-3-thioxo-pent-4-en-2-one
    —— (5-Chloro-2-cyclohexyloxy-phenyl)-phenyl-methanone 141883-87-6 C19H19ClO2
    (5-Chloro-2-cyclohexyloxy-phenyl)-phenyl-methanone
    —— 5'-Fluoro-1-(4-phenoxybutanoyl)spiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine hydrochloride 190010-38-9 C22H25FN4O2*ClH
    5'-Fluoro-1-(4-phenoxybutanoyl)spiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine hydrochloride
    —— 5-Acetylamino-2-(2-pyridyl)-benzimidazole 55396-64-0 C14H12N4O
    5-Acetylamino-2-(2-pyridyl)-benzimidazole