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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(Bromomethyl)[3,4a(2)-bipyridin]-2(1H)-one 1227572-03-3 C11H9BrN2O
    5-(Bromomethyl)[3,4a(2)-bipyridin]-2(1H)-one
    —— 5,8,9-trimethyl-3-methylsulfanyl-5<i>H</i>-[1,2,4]triazino[5,6-<i>b</i>]indole 35156-84-4 C13H14N4S
    5,8,9-trimethyl-3-methylsulfanyl-5<i>H</i>-[1,2,4]triazino[5,6-<i>b</i>]indole
    —— 5-hydroxy-1-methyl-3-<i>p</i>-tolyl-imidazolidine-2,4-dione 38655-60-6 C11H12N2O3
    5-hydroxy-1-methyl-3-<i>p</i>-tolyl-imidazolidine-2,4-dione
    —— 5-methyl-2-morpholino-1-phenyl imidazole, oxalate 69584-08-3 C2H2O4*C14H17N3O
    5-methyl-2-morpholino-1-phenyl imidazole, oxalate
    —— 5-dimethylcarbamoyloxy-2-methyl-4-methylsulfanyl-thiazole 37085-00-0 C8H12N2O2S2
    5-dimethylcarbamoyloxy-2-methyl-4-methylsulfanyl-thiazole
    —— 5,5,6,6,7,7,8,8,8-Nonafluoro-3-phenyltellanyl-octanenitrile 138971-96-7 C14H10F9NTe
    5,5,6,6,7,7,8,8,8-Nonafluoro-3-phenyltellanyl-octanenitrile
    —— 5-methoxy-19-azatetracyclo[9.8.0.02,7.013,18]nonadeca-1(19),2(7),3,5,11,13,15,17-octaene 74234-48-3 C19H17NO
    5-methoxy-19-azatetracyclo[9.8.0.02,7.013,18]nonadeca-1(19),2(7),3,5,11,13,15,17-octaene
    —— 5-carbamoyl-5-methyl-4,5-dihydroisoxazole-3-carboxylic acid methyl ester 1448507-33-2 C7H10N2O4
    5-carbamoyl-5-methyl-4,5-dihydroisoxazole-3-carboxylic acid methyl ester
    —— [5-(4-amino-4-methylpiperidin-1-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl](3-ethynylphenyl)amine 1262786-88-8 C21H24N6
    [5-(4-amino-4-methylpiperidin-1-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl](3-ethynylphenyl)amine
    —— 5-[1-Hydroxy-1-(3-methyl-3H-imidazol-4-yl)-3-trimethylsilanyl-prop-2-ynyl]-2'-methyl-biphenyl-2-carbonitrile 565203-66-9 C24H25N3OSi
    5-[1-Hydroxy-1-(3-methyl-3H-imidazol-4-yl)-3-trimethylsilanyl-prop-2-ynyl]-2'-methyl-biphenyl-2-carbonitrile
    —— 5,5'-dibromo-3,3'-dichloro-2,2'-bithiophene 1150307-68-8 C8H2Br2Cl2S2
    5,5'-dibromo-3,3'-dichloro-2,2'-bithiophene
    —— 5-bromo-N-((9-ethyl-9H-carbazol-3-yl)methyl)pyrazin-2-amine 1040527-65-8 C19H17BrN4
    5-bromo-N-((9-ethyl-9H-carbazol-3-yl)methyl)pyrazin-2-amine
    —— 5-fluoro-6-morpholino-1H-benzimidazole 1427303-36-3 C11H12FN3O
    5-fluoro-6-morpholino-1H-benzimidazole
    —— 5-isopropyl-1,3-dimethyl-5-phenylimidazolidine-2,4-dione 201605-89-2 C14H18N2O2
    5-isopropyl-1,3-dimethyl-5-phenylimidazolidine-2,4-dione
    —— (5-Chloro-2-phenethylamino-phenyl)-phenyl-methanol 106898-84-4 C21H20ClNO
    (5-Chloro-2-phenethylamino-phenyl)-phenyl-methanol
    —— (5R)-6-[(1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylidene-9,10-secoestra-5,7-dien-17-yl]-5-ethyl-2-methylheptan-2-ol 1608457-88-0 C41H76O3Si2
    (5R)-6-[(1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylidene-9,10-secoestra-5,7-dien-17-yl]-5-ethyl-2-methylheptan-2-ol
    —— 5-chloro-3-bromo-6-nitro-benzo<b>thiophene 149338-28-3 C8H3BrClNO2S
    5-chloro-3-bromo-6-nitro-benzo<b>thiophene
    —— 5-Methoxy-4,10a-dimethyl-3,6,6a,9,10,10a-hexahydro-2,7,11-trioxa-cyclopenta[a]anthracene-1,8-dione 26693-45-8 C17H18O6
    5-Methoxy-4,10a-dimethyl-3,6,6a,9,10,10a-hexahydro-2,7,11-trioxa-cyclopenta[a]anthracene-1,8-dione
    —— 5-benzylidene-1,3,<i>N</i>,<i>N</i>'-tetraphenyl-imidazolidine-2,4-diylidenediamine 24707-15-1 C34H26N4
    5-benzylidene-1,3,<i>N</i>,<i>N</i>'-tetraphenyl-imidazolidine-2,4-diylidenediamine
    —— 5,5-Dibenzyl-6-hydroxy-1,3-dimethylhydrouracil 21991-32-2 C20H22N2O3
    5,5-Dibenzyl-6-hydroxy-1,3-dimethylhydrouracil
    —— 5'-N-Isobutyloxycarbonyl-5'-amino-5'-deoxythymidin 25383-46-4 C15H23N3O6
    5'-N-Isobutyloxycarbonyl-5'-amino-5'-deoxythymidin
    —— 5-Cyano-5-cyanomethyl-perhydro-4,7-methanindan 36317-33-6 C13H16N2
    5-Cyano-5-cyanomethyl-perhydro-4,7-methanindan
    —— 5-Cyan-1,4-bis-(difluoramino)-2-penten 19639-50-0 C6H7F4N3
    5-Cyan-1,4-bis-(difluoramino)-2-penten
    —— 5,5'-bis-trifluoromethyl-1(3)<i>H</i>,1'(3')<i>H</i>-2,2'-naphthalene-1,4-diyl-bis-benzoimidazole 70980-73-3 C26H14F6N4
    5,5'-bis-trifluoromethyl-1(3)<i>H</i>,1'(3')<i>H</i>-2,2'-naphthalene-1,4-diyl-bis-benzoimidazole
    —— 5-(4-chloro-phenylsulfanyl)-<i>N</i><sup>4</sup>-pyridin-2-yl-pyrimidine-2,4-diamine 92434-18-9 C15H12ClN5S
    5-(4-chloro-phenylsulfanyl)-<i>N</i><sup>4</sup>-pyridin-2-yl-pyrimidine-2,4-diamine
    —— 5-(p-Phenylbenzoyl)-1,2-diphenylpyrrol 22780-57-0 C29H21NO
    5-(p-Phenylbenzoyl)-1,2-diphenylpyrrol
    —— 5-hydroxymethyl-3-[4-(2-morpholin-4-yl-ethoxy)-phenyl]-oxazolidin-2-one 70133-47-0 C16H22N2O5
    5-hydroxymethyl-3-[4-(2-morpholin-4-yl-ethoxy)-phenyl]-oxazolidin-2-one
    —— 5-bromo-5''-nitro-2,2',5',2''-terthiophene 144853-01-0 C12H6BrNO2S3
    5-bromo-5''-nitro-2,2',5',2''-terthiophene
    —— 5-Diethoxy-<D>methyl-2-diethoxymethyl-pyridin 23504-52-1 C15H25NO4
    5-Diethoxy-<D>methyl-2-diethoxymethyl-pyridin
    —— 5<i>c</i>,6a-dinitro-(3a<i>r</i>,6a<i>c</i>,7a<i>c</i>)-3,3a,4,5,6,6a,7,7a-octahydro-cyclopropa[6,7]cyclohepta[1,2-<i>c</i>]isoxazole 1-oxide 36757-28-5 C9H11N3O6
    5<i>c</i>,6a-dinitro-(3a<i>r</i>,6a<i>c</i>,7a<i>c</i>)-3,3a,4,5,6,6a,7,7a-octahydro-cyclopropa[6,7]cyclohepta[1,2-<i>c</i>]isoxazole 1-oxide
    —— 5-tert-Butyl-1-methyl-2-oxocyclohex-3-encarbonsaeureethylester 52456-93-6 C14H22O3
    5-tert-Butyl-1-methyl-2-oxocyclohex-3-encarbonsaeureethylester
    —— 5,5,7-trichloro-8-(4-methoxy-anilino)-5<i>H</i>-quinolin-6-one 24940-72-5 C16H11Cl3N2O2
    5,5,7-trichloro-8-(4-methoxy-anilino)-5<i>H</i>-quinolin-6-one
    —— 5-Chlor-1-allyl-3-phenyl-6-methyl-uracil 38500-66-2 C14H13ClN2O2
    5-Chlor-1-allyl-3-phenyl-6-methyl-uracil
    —— 5,6,11,13-Tetrahydro-12-aza-dibenzo[a,e]cyclononene-12-carbonitrile 31486-22-3 C17H16N2
    5,6,11,13-Tetrahydro-12-aza-dibenzo[a,e]cyclononene-12-carbonitrile
    —— 5-aminomethyl-4-cyclopropyl-2-methyl-pyrimidine hydrochloride 1030014-94-8 C9H13N3*ClH
    5-aminomethyl-4-cyclopropyl-2-methyl-pyrimidine hydrochloride
    —— 5-bromo-2-(2-chloro-6-fluorophenyl)-1H-imidazole-4-carboxylic acid 1254171-43-1 C10H5BrClFN2O2
    5-bromo-2-(2-chloro-6-fluorophenyl)-1H-imidazole-4-carboxylic acid
    —— 5-(tri-<i>O</i>-benzoyl-β-<i>D</i>-ribofuranosylsulfanyl)-1<i>H</i>-pyrimidine-2,4-dione 40452-25-3 C30H24N2O9S
    5-(tri-<i>O</i>-benzoyl-β-<i>D</i>-ribofuranosylsulfanyl)-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-chloro-1-(p-tolyl)-1H-benzotriazole 78766-53-7 C13H10ClN3
    5-chloro-1-(p-tolyl)-1H-benzotriazole
    —— (5'-O-Trityl-thymidinyl-(3'))-(thymidinyl-(5'))-carbonat 23205-50-7 C40H40N4O11
    (5'-O-Trityl-thymidinyl-(3'))-(thymidinyl-(5'))-carbonat
    —— 5'-(4-chloro-phenyl)-1-ethyl-5-methoxy-3,3-dimethyl-1,3,2',4'-tetrahydro-spiro[indole-2,3'-pyrazole] 41626-05-5 C27H28ClN3O
    5'-(4-chloro-phenyl)-1-ethyl-5-methoxy-3,3-dimethyl-1,3,2',4'-tetrahydro-spiro[indole-2,3'-pyrazole]
    —— 5,5,11-Trioxo-10,11-dihydro-5H-5λ<sup>6</sup>-dibenzo[b,f][1,4]thiazepine-8-sulfonic acid amide 65192-85-0 C13H10N2O5S2
    5,5,11-Trioxo-10,11-dihydro-5H-5λ<sup>6</sup>-dibenzo[b,f][1,4]thiazepine-8-sulfonic acid amide
    —— 5-(t-butoxycarbonylmethyl)oxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene 246170-56-9 C20H22O5S2
    5-(t-butoxycarbonylmethyl)oxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene
    —— 5,5'-Dimethoxy-8,8'-bitetralonyl 2891-38-5 C22H22O4
    5,5'-Dimethoxy-8,8'-bitetralonyl
    —— 5,5'-diethoxy-2,2'-[6-(4-nonyl-phenoxy)-[1,3,5]triazine-2,4-diyl]-bis-phenol 4686-35-5 C34H41N3O5
    5,5'-diethoxy-2,2'-[6-(4-nonyl-phenoxy)-[1,3,5]triazine-2,4-diyl]-bis-phenol
    —— 5-(2,3-dimethyl-phenylazo)-4-methyl-6-phenyl-pyrimidin-2-ylamine 27962-01-2 C19H19N5
    5-(2,3-dimethyl-phenylazo)-4-methyl-6-phenyl-pyrimidin-2-ylamine
    —— 5-({1-[2-({[(tert-butoxycarbonyl-phenyl-methyl)-carbamoyl]-methyl}-carbamoyl)-1-cyclopropylmethyl-2-hydroxy-ethylcarbamoyl]-2-cyclopropyl-ethylcarbamoyl}-methyl)-4-cyclohexyl-2,2-dimethyl-oxazolidine-3-carboxylic acid isobutyl ester 905927-66-4 C45H69N5O10
    5-({1-[2-({[(tert-butoxycarbonyl-phenyl-methyl)-carbamoyl]-methyl}-carbamoyl)-1-cyclopropylmethyl-2-hydroxy-ethylcarbamoyl]-2-cyclopropyl-ethylcarbamoyl}-methyl)-4-cyclohexyl-2,2-dimethyl-oxazolidine-3-carboxylic acid isobutyl ester
    —— (5S)-(E)-5-(N-benzyl-p-toluenefulfonamido)-2,3-dimethyl-6-phenylhex-3-en-2-ol 74974-79-1 C28H33NO3S
    (5S)-(E)-5-(N-benzyl-p-toluenefulfonamido)-2,3-dimethyl-6-phenylhex-3-en-2-ol
    —— 5-(1-chloroprop-1-enyl)thiophene-2-carbaldehyde 96924-59-3 C8H7ClOS
    5-(1-chloroprop-1-enyl)thiophene-2-carbaldehyde
    —— 5-(2,2-dioxido-3,4,6,7,8,9-hexahydropyrido[2,1-c][1,2,4]thiadiazin-9-yl)-2,2-dimethyl-2,3-dihydro-1H-inden-1-one 1358752-31-4 C18H22N2O3S
    5-(2,2-dioxido-3,4,6,7,8,9-hexahydropyrido[2,1-c][1,2,4]thiadiazin-9-yl)-2,2-dimethyl-2,3-dihydro-1H-inden-1-one
    —— 5-Fluor-2-butoxy-benzaldehyd 19415-56-6 C11H13FO2
    5-Fluor-2-butoxy-benzaldehyd