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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (5)-4-(3,4-dichlorophenyl)-5-(4)-phenyl-1-(1-ethoxyethyl)imidazole 74767-69-4 C19H18Cl2N2O
    (5)-4-(3,4-dichlorophenyl)-5-(4)-phenyl-1-(1-ethoxyethyl)imidazole
    —— 5-benzyl-4-diethoxyphosphoryl-1,5-dihydro-1,2,4-triazin-6-one 135492-45-4 C14H20N3O4P
    5-benzyl-4-diethoxyphosphoryl-1,5-dihydro-1,2,4-triazin-6-one
    —— [((5-Me-pyridin-2-yl)2CH2)PdMe(NMe2Ph)][B(C6F5)4] 848560-81-6 C22H28N3Pd*C24BF20
    [((5-Me-pyridin-2-yl)2CH2)PdMe(NMe2Ph)][B(C6F5)4]
    —— 5'-(Boc-L-Val)-cytarabine 849813-99-6 C19H28F2N4O7
    5'-(Boc-L-Val)-cytarabine
    —— [5-(2-Chloro-benzyl)-2-ethyl-4,5,6,7-tetrahydro-thieno[3,2-c]pyridin-3-yl]-(4-methoxy-phenyl)-methanone 90997-37-8 C24H24ClNO2S
    [5-(2-Chloro-benzyl)-2-ethyl-4,5,6,7-tetrahydro-thieno[3,2-c]pyridin-3-yl]-(4-methoxy-phenyl)-methanone
    —— 5-chloro-2-hydroxy-4-methoxybenzophenone 3286-91-7 C14H11ClO3
    5-chloro-2-hydroxy-4-methoxybenzophenone
    —— 5-(n-propyl)-A-nor-5β-estrane-3,17-dione 73532-31-7 C20H30O2
    5-(n-propyl)-A-nor-5β-estrane-3,17-dione
    —— 5,9-bis-(4-dodecyloxyphenyl)-3,11-didodecyl-dibenz[a,j]anthracene-6,8-dicarbaldehyde 1145659-07-9 C84H118O4
    5,9-bis-(4-dodecyloxyphenyl)-3,11-didodecyl-dibenz[a,j]anthracene-6,8-dicarbaldehyde
    —— 5,5-dimethyl-2-(trimethylsiloxy)-1,3,2-dioxaphosphorinane 2-selenide 68305-69-1 C8H19O3PSeSi
    5,5-dimethyl-2-(trimethylsiloxy)-1,3,2-dioxaphosphorinane 2-selenide
    —— 5-methyl-2,5-diphenyl-1,2,4-triazolidine-3-thione 39263-76-8 C15H15N3S
    5-methyl-2,5-diphenyl-1,2,4-triazolidine-3-thione
    —— [5-(2-Chloro-benzyl)-2-ethyl-4,5,6,7-tetrahydro-thieno[3,2-c]pyridin-3-yl]-(4-hydroxy-phenyl)-methanone 741209-49-4 C23H22ClNO2S
    [5-(2-Chloro-benzyl)-2-ethyl-4,5,6,7-tetrahydro-thieno[3,2-c]pyridin-3-yl]-(4-hydroxy-phenyl)-methanone
    —— 5-chloromethyl-7-(3,4-dichloro-phenylamino)-pyrazolo[1,5-a]pyrimidine-3-carbonitrile 925675-88-3 C14H8Cl3N5
    5-chloromethyl-7-(3,4-dichloro-phenylamino)-pyrazolo[1,5-a]pyrimidine-3-carbonitrile
    —— 5-<1-azo-2-oxo-3-methyl-3-(methoxycarbonyl)propyl>-8-hydroxyquinone 95912-02-0 C15H15N3O4
    5-<1-azo-2-oxo-3-methyl-3-(methoxycarbonyl)propyl>-8-hydroxyquinone
    —— 5-(4-cyclopropyl-2-mercapto-1H-imidazol-1-yl)-2-fluoro-4-methylbenzonitrile 1448428-01-0 C14H12FN3S
    5-(4-cyclopropyl-2-mercapto-1H-imidazol-1-yl)-2-fluoro-4-methylbenzonitrile
    —— 5,13,21-tris(4-carboxybenzoyl)-1,9,17-trioxa-5,13,21-triazacyclotetracosane 116073-82-6 C42H51N3O12
    5,13,21-tris(4-carboxybenzoyl)-1,9,17-trioxa-5,13,21-triazacyclotetracosane
    —— (5,10,15,20-tetraphenyl-2-aza-21-carbaporphyrinato)nickel(II) 177841-46-2 C44H28N4Ni
    (5,10,15,20-tetraphenyl-2-aza-21-carbaporphyrinato)nickel(II)
    —— (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoic acid cis-2-phenyl-[1,3]dioxan-5-yl ester 1258497-42-5 C30H40O4
    (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoic acid cis-2-phenyl-[1,3]dioxan-5-yl ester
    —— 5,13-bis(4'-methoxycarbonylbenzoyl)-21-tosyl-1,9,17-trioxa-5,13,21-triazacyclotetracosane 116102-08-0 C43H57N3O11S
    5,13-bis(4'-methoxycarbonylbenzoyl)-21-tosyl-1,9,17-trioxa-5,13,21-triazacyclotetracosane
    —— 5,17(20)-dien-pregna-3,16-diol 672308-23-5 C21H32O2
    5,17(20)-dien-pregna-3,16-diol
    —— (5S,6R,7R)-1-aza-3-<((2)H3)-methyl>-7-amino-(N-t-butyloxycarbonyl)-8-oxo-5-thiabicyclo<4.2.0>oct-2-ene-2-carboxylic acid-S-oxide, benzhydryl ester 144460-62-8 C26H28N2O6S
    (5S,6R,7R)-1-aza-3-<((2)H3)-methyl>-7-amino-(N-t-butyloxycarbonyl)-8-oxo-5-thiabicyclo<4.2.0>oct-2-ene-2-carboxylic acid-S-oxide, benzhydryl ester
    —— 5-bromomethyl-8-tert-butoxycarbonyloxyquinoline 1392143-28-0 C15H16BrNO3
    5-bromomethyl-8-tert-butoxycarbonyloxyquinoline
    —— 5-nitro-2-phenyl-indol-3-one-1-oxide 4771-05-5 C14H8N2O4
    5-nitro-2-phenyl-indol-3-one-1-oxide
    —— 5'-[2'-deoxy-2',2'-difluoro-D-ribofuranosyl-N<sup>4</sup>-(allyloxycarbonyl)cytosine] 5-nitrofurfuryl N-methyl-N-(4-chlorobutyl)phosphoramidate 947257-64-9 C23H29ClF2N5O11P
    5'-[2'-deoxy-2',2'-difluoro-D-ribofuranosyl-N<sup>4</sup>-(allyloxycarbonyl)cytosine] 5-nitrofurfuryl N-methyl-N-(4-chlorobutyl)phosphoramidate
    —— 5,5'-dimethoxy-3<i>H</i>,3'<i>H</i>-3,3'-(2-oxa-propane-1,3-diyl)-bis-[1,3,4]thiadiazol-2-one 19691-50-0 C8H10N4O5S2
    5,5'-dimethoxy-3<i>H</i>,3'<i>H</i>-3,3'-(2-oxa-propane-1,3-diyl)-bis-[1,3,4]thiadiazol-2-one
    —— 5β-androstano<3,4-c>-1',2',5'-oxadiazol-17β-ol 112517-10-9 C19H28N2O2
    5β-androstano<3,4-c>-1',2',5'-oxadiazol-17β-ol
    —— 5,6-di-O-acetyl-L-threo-2,3-hexodiulosono-1,4-lactone 2-(o-nitrophenylhydrazone) 3-phenylhydrazone 102691-12-3 C22H21N5O8
    5,6-di-O-acetyl-L-threo-2,3-hexodiulosono-1,4-lactone 2-(o-nitrophenylhydrazone) 3-phenylhydrazone
    —— 5-chloro-4-(3-(4-ethoxypiperidine-1-carbonyl)benzyl)phthalazin-1(2H)-one 1174044-09-7 C23H24ClN3O3
    5-chloro-4-(3-(4-ethoxypiperidine-1-carbonyl)benzyl)phthalazin-1(2H)-one
    —— 5-(2-(methylthio)ethyl)-1-(2-(thiophen-2-yl)acetyl)pyrrolidine-2,4-dione 1626437-65-7 C13H15NO3S2
    5-(2-(methylthio)ethyl)-1-(2-(thiophen-2-yl)acetyl)pyrrolidine-2,4-dione
    —— 5-Brom-2-chlormercuri-thiophen 89089-17-8 C4H2BrClHgS
    5-Brom-2-chlormercuri-thiophen
    —— [5-azoniaspiro[4.4]nonane][mer-Cr(CO)3(SO2)(bis((diphenylphosphino)methyl)diphenylborate)] 1569447-42-2 C8H16N*C41H34BCrO5P2S
    [5-azoniaspiro[4.4]nonane][mer-Cr(CO)3(SO2)(bis((diphenylphosphino)methyl)diphenylborate)]
    —— 5-Chlor-2-methyl-phenylcyanat 1126-02-9 C8H6ClNO
    5-Chlor-2-methyl-phenylcyanat
    —— 5,5'-diisopropyl-8,8'-bis((2-(2-methoxyethyl)hydrazineylidene)methyl)-3,3'-dimethyl-[2,2'-binaphthalene]-1,1',6,6',7,7'-hexaol 838823-99-7 C36H46N4O8
    5,5'-diisopropyl-8,8'-bis((2-(2-methoxyethyl)hydrazineylidene)methyl)-3,3'-dimethyl-[2,2'-binaphthalene]-1,1',6,6',7,7'-hexaol
    —— 5-fluoro-3′,5′-di-O-trityl-2′-deoxyuridine 1585199-32-1 C47H39FN2O5
    5-fluoro-3′,5′-di-O-trityl-2′-deoxyuridine
    —— 5,10,15,20-tetrakis(2,4,6-triphenylphenyl)porphyrin 85390-97-2 C116H78N4
    5,10,15,20-tetrakis(2,4,6-triphenylphenyl)porphyrin
    —— 5-fluoro-1-((2R,4S,5R)-4-hydroxy-5-(((6-methoxy-2-oxido-4H-benzo[d][1,3,2]dioxaphosphinin-2-yl)oxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione 195971-19-8 C17H18FN2O9P
    5-fluoro-1-((2R,4S,5R)-4-hydroxy-5-(((6-methoxy-2-oxido-4H-benzo[d][1,3,2]dioxaphosphinin-2-yl)oxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione
    —— 5-(2-chloro-benzyl)-5,6-dihydro-4<i>H</i>-thieno[3,2-<i>c</i>]pyridin-7-one; hydrochloride 79714-07-1 C14H12ClNOS*ClH
    5-(2-chloro-benzyl)-5,6-dihydro-4<i>H</i>-thieno[3,2-<i>c</i>]pyridin-7-one; hydrochloride
    —— 5,9-bis-(4-dodecyloxyphenyl)-3,11-didodecyloxy-dibenz[a,j]anthracene-6,8-dicarbaldehyde 1145658-95-2 C84H118O6
    5,9-bis-(4-dodecyloxyphenyl)-3,11-didodecyloxy-dibenz[a,j]anthracene-6,8-dicarbaldehyde
    —— 5-chloro-2-furancarbohydroximoyl chloride 264607-27-4 C5H3Cl2NO2
    5-chloro-2-furancarbohydroximoyl chloride
    —— 5-Oxo-6,7,8,9-tetrahydro-5H-benzocycloheptene-7-carbonitrile 62789-03-1 C12H11NO
    5-Oxo-6,7,8,9-tetrahydro-5H-benzocycloheptene-7-carbonitrile
    —— 5-((1R,3aS,4R,7aS)-6-(hydroxy-d)-7a-methyl-6-(prop-1-en-2-yl-d5)octahydrodispiro[indene-1,4'-[1,3]dioxolane-5',4''-[1,3]dioxolan]-4-yl)-2-(methyl-d3)pent-1-en-3-one-1,1-d2 116202-12-1 C23H34O6
    5-((1R,3aS,4R,7aS)-6-(hydroxy-d)-7a-methyl-6-(prop-1-en-2-yl-d5)octahydrodispiro[indene-1,4'-[1,3]dioxolane-5',4''-[1,3]dioxolan]-4-yl)-2-(methyl-d3)pent-1-en-3-one-1,1-d2
    —— 5-amino-3-(butyl-methyl-amino)-isothiazole-4-carbonitrile 66366-71-0 C9H14N4S
    5-amino-3-(butyl-methyl-amino)-isothiazole-4-carbonitrile
    —— 5-(2-phenyl-chromen-4-ylidene)-2-thioxo-thiazolidin-4-one 98740-67-1 C18H11NO2S2
    5-(2-phenyl-chromen-4-ylidene)-2-thioxo-thiazolidin-4-one
    —— 5-Fluoro-3-((2R,4S,5R)-4-iodo-5-iodomethyl-tetrahydro-furan-2-yl)-1H-pyrimidine-2,4-dione 74309-09-4 C9H9FI2N2O3
    5-Fluoro-3-((2R,4S,5R)-4-iodo-5-iodomethyl-tetrahydro-furan-2-yl)-1H-pyrimidine-2,4-dione
    —— 5,6,7-Trifluoro-2,3-dioxo-2,3-dihydro-indole-1-carboxylic acid methylamide 107582-95-6 C10H5F3N2O3
    5,6,7-Trifluoro-2,3-dioxo-2,3-dihydro-indole-1-carboxylic acid methylamide
    —— 5-ethynyl-2,2-dimethylnonane 123074-83-9 C10H19N
    5-ethynyl-2,2-dimethylnonane
    —— 5α,17β-estr-2-eno<3,2-b>furan-17-ol 160458-25-3 C20H28O2
    5α,17β-estr-2-eno<3,2-b>furan-17-ol
    —— (5-ethyl-2,4,6-trioxo-5-phenyl-dihydro-pyrimidine-1,3-diyl)-di-acetic acid diamide 101290-36-2 C16H18N4O5
    (5-ethyl-2,4,6-trioxo-5-phenyl-dihydro-pyrimidine-1,3-diyl)-di-acetic acid diamide
    —— 5-Chloro-6-methoxy-2,3-dioxo-2,3-dihydro-indole-1-carboxylic acid methylamide 107583-06-2 C11H9ClN2O4
    5-Chloro-6-methoxy-2,3-dioxo-2,3-dihydro-indole-1-carboxylic acid methylamide
    —— 5-O-acetyl-3,6-anhydro-3-(o-nitrophenylazo)-L-xylo-2-hexulosono-1,4-lactone 2-(o-nitrophenylhydrazone) 102691-07-6 C20H16N6O9
    5-O-acetyl-3,6-anhydro-3-(o-nitrophenylazo)-L-xylo-2-hexulosono-1,4-lactone 2-(o-nitrophenylhydrazone)
    —— 5,10,15,20-tetrakis(4-methylphenyl)porphyrinatoiron(III) chloride 19496-18-5 C48H36ClFeN4
    5,10,15,20-tetrakis(4-methylphenyl)porphyrinatoiron(III) chloride