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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Methyl-1-((3R,4R,6R)-4-trityloxymethyl-1,5-dioxa-spiro[2.4]hept-6-yl)-1H-pyrimidine-2,4-dione 878557-12-1 C30H28N2O5
    5-Methyl-1-((3R,4R,6R)-4-trityloxymethyl-1,5-dioxa-spiro[2.4]hept-6-yl)-1H-pyrimidine-2,4-dione
    —— 5-amino-1,4-dimethyl-1H-pyridin-2-one 1365055-01-1 C7H10N2O
    5-amino-1,4-dimethyl-1H-pyridin-2-one
    —— 5-benzoylamino-3-[2-(N,N-dimethylamino)ethyl]furo[3,2-b]pyridine oxalate 289714-14-3 C2H2O4*C18H19N3O2
    5-benzoylamino-3-[2-(N,N-dimethylamino)ethyl]furo[3,2-b]pyridine oxalate
    —— 5-methyl-1,1-dioxo-5-propyl-tetrahydro-thiopyran-3-one 1049094-02-1 C9H16O3S
    5-methyl-1,1-dioxo-5-propyl-tetrahydro-thiopyran-3-one
    —— 5-[4-(2-Hydroxy-ethyl)-piperidin-1-yl]-pentan-2-one 4159-99-3 C12H23NO2
    5-[4-(2-Hydroxy-ethyl)-piperidin-1-yl]-pentan-2-one
    —— 5-propyl-3,4,5,6-tetrahydro-1H-azepino<5,4,3-cd>indole 117719-56-9 C14H18N2
    5-propyl-3,4,5,6-tetrahydro-1H-azepino<5,4,3-cd>indole
    —— 5,8-dimethoxy-2,4-distyryl-quinolin-6-ylamine 64473-73-0 C27H24N2O2
    5,8-dimethoxy-2,4-distyryl-quinolin-6-ylamine
    —— 5-O-benzoyl-3-C-cyano-3-deoxy-1,2-O-isopropylidene-α-L-ribofuranose 612485-17-3 C16H17NO5
    5-O-benzoyl-3-C-cyano-3-deoxy-1,2-O-isopropylidene-α-L-ribofuranose
    —— 5-chloro-1H-indole-2-carboxylic acid 2-(imino-(pyrazin-2-yl)-methyl)hydrazide 521962-00-5 C14H11ClN6O
    5-chloro-1H-indole-2-carboxylic acid 2-(imino-(pyrazin-2-yl)-methyl)hydrazide
    —— 5-(1-benzyl-1H-pyrazol-5-yl)-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one 1352421-51-2 C22H25N5O
    5-(1-benzyl-1H-pyrazol-5-yl)-1-(2,2-dimethylpropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
    —— 5-(4-(2-(5-tert-butylisoxazol-3-ylamino)-2-oxoethyl)phenyl)-6-chloropyridin-2-aminium methanesulfonate 1267852-09-4 CH4O3S*C20H21ClN4O2
    5-(4-(2-(5-tert-butylisoxazol-3-ylamino)-2-oxoethyl)phenyl)-6-chloropyridin-2-aminium methanesulfonate
    —— 5-Propoxy-3-(2-methoxyphenyl)-1,3,4-oxadiazolin 60589-08-4 C12H14N2O4
    5-Propoxy-3-(2-methoxyphenyl)-1,3,4-oxadiazolin
    —— 5-Ethyl-4a-methyl-2-oxo-2,3,4,4a-tetrahydronaphthalene 79327-12-1 C13H16O
    5-Ethyl-4a-methyl-2-oxo-2,3,4,4a-tetrahydronaphthalene
    —— 5-(((1-methyl-5-oxo-1,2,3,5-tetrahydroimidazo[1,2-c]pyrimidin-7-yl)oxy)methyl)-2-(pyrimidin-5-yloxy)benzonitrile trifluoroacetic acid salt 1421433-26-2 C2HF3O2*C19H16N6O3
    5-(((1-methyl-5-oxo-1,2,3,5-tetrahydroimidazo[1,2-c]pyrimidin-7-yl)oxy)methyl)-2-(pyrimidin-5-yloxy)benzonitrile trifluoroacetic acid salt
    —— 5-((R)-2-(2-ethyl-5-fluoropyridin3-yl)pyrrolidin-1-yl)-N-((trans)-4-hydroxycyclohexyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide 1260844-66-3 C24H29FN6O2
    5-((R)-2-(2-ethyl-5-fluoropyridin3-yl)pyrrolidin-1-yl)-N-((trans)-4-hydroxycyclohexyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
    —— (5S,6S)-5-[benzyl(hydroxy)amino]-6-(hydroxymethyl)-2,2-dimethyldihydro-2H-pyran-4(3H)-one 1198077-74-5 C15H21NO4
    (5S,6S)-5-[benzyl(hydroxy)amino]-6-(hydroxymethyl)-2,2-dimethyldihydro-2H-pyran-4(3H)-one
    —— 5-Benzyl-5,11-dihydro-dibenzo[b,f]azepin-10-one oxime 21737-66-6 C21H18N2O
    5-Benzyl-5,11-dihydro-dibenzo[b,f]azepin-10-one oxime
    —— 5-hydroxy-1,3-dioxo-2-phenyl-2,3-dihydro-1<i>H</i>-benzo[<i>de</i>]isoquinoline-6-carbaldehyde 59841-61-1 C19H11NO4
    5-hydroxy-1,3-dioxo-2-phenyl-2,3-dihydro-1<i>H</i>-benzo[<i>de</i>]isoquinoline-6-carbaldehyde
    —— 5-(3-Thienylcarbonylamino)-2-(4-thiazolyl)-benzimidazol 27146-41-4 C15H10N4OS2
    5-(3-Thienylcarbonylamino)-2-(4-thiazolyl)-benzimidazol
    —— 5-{[(E)-(3,5-dibromo-2-hydroxyphenyl)methylidene]amino}pyrimidine-2,4(1H,3H)-dione 273745-78-1 C11H7Br2N3O3
    5-{[(E)-(3,5-dibromo-2-hydroxyphenyl)methylidene]amino}pyrimidine-2,4(1H,3H)-dione
    —— 5-benzenesulfonyl-2-benzyloxy-6-{6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-heptan-3-ol 936495-26-0 C35H56O7SSi
    5-benzenesulfonyl-2-benzyloxy-6-{6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-heptan-3-ol
    —— 5,7,8-trihydroxy-2-(4-hydroxy-phenyl)-chromenylium; iodide 97320-42-8 C15H11O5*I
    5,7,8-trihydroxy-2-(4-hydroxy-phenyl)-chromenylium; iodide
    —— 5,5-dideuterium-4-oxopentanoic acid 1260110-89-1 C5H8O3
    5,5-dideuterium-4-oxopentanoic acid
    —— 5-[(2-thienylmethyl)carbonyl]amino-8-ethyl-2-(2-furyl)-pyrazolo[4,3-e]1,2,4-triazolo[1,5-c]pyrimidine 1186621-68-0 C18H15N7O2S
    5-[(2-thienylmethyl)carbonyl]amino-8-ethyl-2-(2-furyl)-pyrazolo[4,3-e]1,2,4-triazolo[1,5-c]pyrimidine
    —— 5-methyl-2-phenyl-2-(trifluoromethyl)-2H-pyrrol-4-one 1061567-59-6 C12H10F3NO
    5-methyl-2-phenyl-2-(trifluoromethyl)-2H-pyrrol-4-one
    —— 5-Chlor-2-<2-(diethylamino)ethyl>-3-phenylisoindol-1-carbonsaeuredimethylamid 61294-81-3 C6H13NO3S*C23H28ClN3O
    5-Chlor-2-<2-(diethylamino)ethyl>-3-phenylisoindol-1-carbonsaeuredimethylamid
    —— (5Z)-(8R,9S,11R,12R)-9,11-dihydroxy-15,15-ethylenedioxy-15-(4-chlorophenyl)-16,17,18,19,20-pentanor-prostenoic acid 59619-39-5 C23H31ClO6
    (5Z)-(8R,9S,11R,12R)-9,11-dihydroxy-15,15-ethylenedioxy-15-(4-chlorophenyl)-16,17,18,19,20-pentanor-prostenoic acid
    —— 5-Ethyl-2-methyl-s-triazolo<5,1-b>benzothiazol 61073-44-7 C11H11N3S
    5-Ethyl-2-methyl-s-triazolo<5,1-b>benzothiazol
    —— 5-(9-ethyl-9H-carbazol-2-ylmethylene)-pyrimidine-2,4,6-trione 720694-80-4 C19H15N3O3
    5-(9-ethyl-9H-carbazol-2-ylmethylene)-pyrimidine-2,4,6-trione
    —— 5-Ethyl-9-chlor-2,3-dihydro-10b-phenyl-10bH-oxazolo<3,2-c>chinazolin 76303-83-8 C18H17ClN2O
    5-Ethyl-9-chlor-2,3-dihydro-10b-phenyl-10bH-oxazolo<3,2-c>chinazolin
    —— 5-fluoro-1-methylspiro[indole-3,4'-piperidin]-2(1H)-one 845552-97-8 C13H15FN2O
    5-fluoro-1-methylspiro[indole-3,4'-piperidin]-2(1H)-one
    —— (5R,9S,E)-5-[(4S,5S)-5-allyl-2,2-dimethyl-1,3-dioxolan-4-yl]-9,11,11,12,12-pentamethyl-2,4,10-trioxa-11-silatridec-6-ene 1628535-49-8 C22H42O5Si
    (5R,9S,E)-5-[(4S,5S)-5-allyl-2,2-dimethyl-1,3-dioxolan-4-yl]-9,11,11,12,12-pentamethyl-2,4,10-trioxa-11-silatridec-6-ene
    —— 5-[2-(4-methoxyphenyl)-2H-pyrazol-3-yl]-3-p-tolylbenzo[c]isoxazole 1539280-66-4 C24H19N3O2
    5-[2-(4-methoxyphenyl)-2H-pyrazol-3-yl]-3-p-tolylbenzo[c]isoxazole
    —— 5-benzyl-4-chloro-6-methoxy-2-methoxymethyl-pyrimidine 5149-95-1 C14H15ClN2O2
    5-benzyl-4-chloro-6-methoxy-2-methoxymethyl-pyrimidine
    —— (5-amino-3-(2-(trifluoromethoxy)phenyl)isoxazol-4-yl)(4-(4-hydroxyphenyl)piperazine-1-yl)methanone 1402882-79-4 C21H19F3N4O4
    (5-amino-3-(2-(trifluoromethoxy)phenyl)isoxazol-4-yl)(4-(4-hydroxyphenyl)piperazine-1-yl)methanone
    —— (5-{2-[1-(2-acetoxy-ethyl)-5,6-dichloro-3-ethyl-1,3-dihydro-benzoimidazol-2-ylidene]-ethylidene}-3-ethyl-4,4'-dioxo-2'-thioxo-dihydro-[2,5']bithiazolyliden-3'-yl)-acetic acid 33008-56-9 C25H24Cl2N4O6S3
    (5-{2-[1-(2-acetoxy-ethyl)-5,6-dichloro-3-ethyl-1,3-dihydro-benzoimidazol-2-ylidene]-ethylidene}-3-ethyl-4,4'-dioxo-2'-thioxo-dihydro-[2,5']bithiazolyliden-3'-yl)-acetic acid
    —— 5'-Methoxy-1-methyl-2'-trifluoromethyl-spiro[piperidine-4,9'-xanthene]; hydrochloride 57317-15-4 C20H20F3NO2*ClH
    5'-Methoxy-1-methyl-2'-trifluoromethyl-spiro[piperidine-4,9'-xanthene]; hydrochloride
    —— 5,5-dimethyl-5<i>H</i>-pyren-4-one 60566-02-1 C18H14O
    5,5-dimethyl-5<i>H</i>-pyren-4-one
    —— (5S)-4-(4,4-difluorocyclohexyl)-3-{(S)-fluoro[4-(trifluoromethyl)phenyl]methyl}-7,7-dimethyl-2-{1-[5-(propan-2-yl)pyrimidin-2-yl]piperidin-4-yl}-5,6,7,8-tetrahydroquinolin-5-ol 1354494-96-4 C37H44F6N4O
    (5S)-4-(4,4-difluorocyclohexyl)-3-{(S)-fluoro[4-(trifluoromethyl)phenyl]methyl}-7,7-dimethyl-2-{1-[5-(propan-2-yl)pyrimidin-2-yl]piperidin-4-yl}-5,6,7,8-tetrahydroquinolin-5-ol
    —— 5-p-Bromphenyl-2-methyl-3-phenylisoxazol 33934-38-2 C6H2N3O7*C16H13BrNO
    5-p-Bromphenyl-2-methyl-3-phenylisoxazol
    —— 5-(<1-D>-1-Methylethyl)-1,4-dimethyltetrazolium-perchlorat 113354-02-2 C6H13N4*ClO4
    5-(<1-D>-1-Methylethyl)-1,4-dimethyltetrazolium-perchlorat
    —— (5-chloro-2-(quinolin-2-yl)phenyl)(2-chloro-5-nitrophenyl)methanol 1354658-31-3 C22H14Cl2N2O3
    (5-chloro-2-(quinolin-2-yl)phenyl)(2-chloro-5-nitrophenyl)methanol
    —— 5-Methyl-2-(3-methyl-but-2-enyl)-hex-4-enoic acid ethyl ester 92371-05-6 C14H24O2
    5-Methyl-2-(3-methyl-but-2-enyl)-hex-4-enoic acid ethyl ester
    —— 5,6-bis(2,5-dimethyl-3-thienyl)-6H-1,3,4-thiadiazin-2-amine 934296-69-2 C15H17N3S3
    5,6-bis(2,5-dimethyl-3-thienyl)-6H-1,3,4-thiadiazin-2-amine
    —— 5,6-dihydroxy-N-(4-hydroxybutyl)-2-(pyridin-2-yl)pyrimidine-4-carboxamide 1407169-78-1 C14H16N4O4
    5,6-dihydroxy-N-(4-hydroxybutyl)-2-(pyridin-2-yl)pyrimidine-4-carboxamide
    —— 5-ethyl-2-phenylindole 906782-05-6 C16H15N
    5-ethyl-2-phenylindole
    —— 5,6,7,8-tetrachloro-2-methoxy-5,8-dimethoxymethano-4a,5,8,8a-tetrahydro-1,4-naphthoquinone 114301-86-9 C14H12Cl4O5
    5,6,7,8-tetrachloro-2-methoxy-5,8-dimethoxymethano-4a,5,8,8a-tetrahydro-1,4-naphthoquinone
    —— 5-chloroacetyl-8-hydroxy-1-methyl-1<i>H</i>-quinolin-2-one 59990-53-3 C12H10ClNO3
    5-chloroacetyl-8-hydroxy-1-methyl-1<i>H</i>-quinolin-2-one
    —— 5-(2,4-diamino-pyrimidin-5-ylmethyl)-2-dimethylcarbamoylsulfanyl-1,3-dimethoxy-benzene 71176-04-0 C16H21N5O3S
    5-(2,4-diamino-pyrimidin-5-ylmethyl)-2-dimethylcarbamoylsulfanyl-1,3-dimethoxy-benzene
    —— 5-Methyl-2-(3-methyl-butoxy)-N-[2-(4-sulfamoyl-phenyl)-ethyl]-benzamide 25059-97-6 C21H28N2O4S
    5-Methyl-2-(3-methyl-butoxy)-N-[2-(4-sulfamoyl-phenyl)-ethyl]-benzamide