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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (5-Ethyl-1-methyl-1,2,3,6-tetrahydro-pyridin-2-yl)-acetonitrile 72788-28-4 C10H16N2
    (5-Ethyl-1-methyl-1,2,3,6-tetrahydro-pyridin-2-yl)-acetonitrile
    —— 5-(4-chloro-3-nitrobenzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione 1380604-89-6 C13H12ClNO6
    5-(4-chloro-3-nitrobenzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-(1,3-dioxo-1,3-diphenylpropan-2-yl)-5-(4-hydroxyphenyl)-1,3-dimethylimidazolidine-2,4-dione 1242143-76-5 C26H22N2O5
    5-(1,3-dioxo-1,3-diphenylpropan-2-yl)-5-(4-hydroxyphenyl)-1,3-dimethylimidazolidine-2,4-dione
    —— 5-endo-Hydroxybicyclo<2.2.1>heptan-2-one 58029-23-5 C7H10O2
    5-endo-Hydroxybicyclo<2.2.1>heptan-2-one
    —— (5R,7R)-7-hydroxy-5-dodecanolide 121772-36-9 C12H22O3
    (5R,7R)-7-hydroxy-5-dodecanolide
    —— 5-biphenyl-4-yl-3-[2]naphthyl-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazole 116152-00-2 C31H24N2
    5-biphenyl-4-yl-3-[2]naphthyl-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazole
    —— 5-but-3-enyl-1-(3,4-dimethoxy-phenethyl)-piperidin-2-one 103387-76-4 C19H27NO3
    5-but-3-enyl-1-(3,4-dimethoxy-phenethyl)-piperidin-2-one
    —— [5-ethyl-1-(3,4-dimethoxy-phenethyl)-2-oxo-[4]piperidyl]-acetic acid methyl ester 102466-15-9 C20H29NO5
    [5-ethyl-1-(3,4-dimethoxy-phenethyl)-2-oxo-[4]piperidyl]-acetic acid methyl ester
    —— 5,6-Dihydro-8,9-dimethoxy-2,3-diphenylpyrrolo<2,1-a>isochinolin-1-carbonsaeure-ethylester 79823-40-8 C29H27NO4
    5,6-Dihydro-8,9-dimethoxy-2,3-diphenylpyrrolo<2,1-a>isochinolin-1-carbonsaeure-ethylester
    —— (5-iodopentyl)ferrocene 1220015-82-6 C15H19FeI
    (5-iodopentyl)ferrocene
    —— 5-(chloromethyl)-2-(2,2-difluoroethoxy)-3-ethylpyridine 1373865-06-5 C10H12ClF2NO
    5-(chloromethyl)-2-(2,2-difluoroethoxy)-3-ethylpyridine
    —— 5-[1-(3-Chloromethyl-phenyl)-1-pyridin-3-yl-meth-(E)-ylideneaminooxy]-pentanoic acid ethyl ester 462656-34-4 C20H23ClN2O3
    5-[1-(3-Chloromethyl-phenyl)-1-pyridin-3-yl-meth-(E)-ylideneaminooxy]-pentanoic acid ethyl ester
    —— 5'-CAp-3' 23193-58-0 C19H26N8O14P2
    5'-CAp-3'
    —— 5,7-dimethyl-9-phenyl-7,7a,10a,11-tetrahydropyrrolo[3,4-j]phenanthridine-6,8,10-trione 88368-47-2 C23H20N2O3
    5,7-dimethyl-9-phenyl-7,7a,10a,11-tetrahydropyrrolo[3,4-j]phenanthridine-6,8,10-trione
    —— 5-(5-methoxy-1(3)<i>H</i>-benzoimidazol-2-yl)-pentanoic acid methyl ester 55371-02-3 C14H18N2O3
    5-(5-methoxy-1(3)<i>H</i>-benzoimidazol-2-yl)-pentanoic acid methyl ester
    —— 5-furan-2-yl-1-methyl-1,2,3,4-tetrahydro-pyridine 57742-88-8 C10H13NO
    5-furan-2-yl-1-methyl-1,2,3,4-tetrahydro-pyridine
    —— 5,6-dichloro-1-ethyl-3-methyl-1<i>H</i>-indazole-4,7-dione 56054-69-4 C10H8Cl2N2O2
    5,6-dichloro-1-ethyl-3-methyl-1<i>H</i>-indazole-4,7-dione
    —— 5-(4-nitrophenyl)-2-phenylthiazole 3-oxide 1127563-01-2 C15H10N2O3S
    5-(4-nitrophenyl)-2-phenylthiazole 3-oxide
    —— 5'-GAGCA-3' 915079-34-4 C49H61N23O31P4
    5'-GAGCA-3'
    —— 5,7-bis-dodecylamino-1,3-dimethyl-1<i>H</i>-pyrimido[4,5-<i>d</i>]pyrimidine-2,4-dione 56007-65-9 C32H58N6O2
    5,7-bis-dodecylamino-1,3-dimethyl-1<i>H</i>-pyrimido[4,5-<i>d</i>]pyrimidine-2,4-dione
    —— 5-methyl-9-phenyl-14b,16-dihydrobenzo[6,7]indolo[3′,4′:3,4,5]azepino[2,1-a]isoquinoline 1448038-66-1 C30H22N2
    5-methyl-9-phenyl-14b,16-dihydrobenzo[6,7]indolo[3′,4′:3,4,5]azepino[2,1-a]isoquinoline
    —— 5-hydroxy-2-aza-bicyclo[2.2.2]octan-3-one 750634-07-2 C7H11NO2
    5-hydroxy-2-aza-bicyclo[2.2.2]octan-3-one
    —— 5-methoxy-5-methyl-hept-1-en-3-yne 24312-94-5 C9H14O
    5-methoxy-5-methyl-hept-1-en-3-yne
    —— 5-Eth-(Z)-ylidene-4-methoxy-3-phenyl-5H-furan-2-one 71126-35-7 C13H12O3
    5-Eth-(Z)-ylidene-4-methoxy-3-phenyl-5H-furan-2-one
    —— 5-(3-chloro-4-hydroxybenzylidene)tetramic acid 878196-88-4 C11H8ClNO3
    5-(3-chloro-4-hydroxybenzylidene)tetramic acid
    —— 5,5'-bis-acetylamino-diphenic acid 859813-85-7 C18H16N2O6
    5,5'-bis-acetylamino-diphenic acid
    —— 5'-uridylic acid-elliptinium hexafluorophosphate 102434-54-8 C27H26N4O10P*F6P
    5'-uridylic acid-elliptinium hexafluorophosphate
    —— 5,12-diallyl-6,7-diphenyl-5,12-dihydroindolo[3,2-a]carbazole 1034307-07-7 C36H28N2
    5,12-diallyl-6,7-diphenyl-5,12-dihydroindolo[3,2-a]carbazole
    —— (+/-)-5-(2,4-Dinitro-phenylhydrazono)-2-phenyl-valeriansaeure 93318-09-3 C17H16N4O6
    (+/-)-5-(2,4-Dinitro-phenylhydrazono)-2-phenyl-valeriansaeure
    —— 5,5-Dimethyl-4-oxo-2-vinyl-tetrahydro-thiophene-3-carboxylic acid methyl ester 83325-44-4 C10H14O3S
    5,5-Dimethyl-4-oxo-2-vinyl-tetrahydro-thiophene-3-carboxylic acid methyl ester
    —— 5,7,12-trimethoxy-13-oxatetracyclo[10.2.1.01,9.03,8]pentadeca-3(8),4,6,9-tetraen-14-one 73177-49-8 C17H18O5
    5,7,12-trimethoxy-13-oxatetracyclo[10.2.1.01,9.03,8]pentadeca-3(8),4,6,9-tetraen-14-one
    —— 5,5-Dimethyl-2-phenoxy-2-thiazolin 79207-61-7 C11H13NOS
    5,5-Dimethyl-2-phenoxy-2-thiazolin
    —— 5-ethyl-5-neopentyl-1-propyl-barbituric acid 109446-82-4 C14H24N2O3
    5-ethyl-5-neopentyl-1-propyl-barbituric acid
    —— 5-(4-{4-[3-(3-Fluoro-pyridin-2-yl)-[1,2,4]oxadiazol-5-yl]-phenoxy}-phenoxy)-5-(2-methoxy-ethyl)-pyrimidine-2,4,6-trione 620633-37-6 C26H20FN5O7
    5-(4-{4-[3-(3-Fluoro-pyridin-2-yl)-[1,2,4]oxadiazol-5-yl]-phenoxy}-phenoxy)-5-(2-methoxy-ethyl)-pyrimidine-2,4,6-trione
    —— 5-((2S)-2-hydroxy-3-[4-(1-methyl-1-([3-(trifluoromethyl)phenyl]sulfonyl)ethyl)piperidin-1-yl]-3-oxopropyl)-1H-imidazol-3-ium trifluoroacetate 1138331-10-8 C2HF3O2*C21H26F3N3O4S
    5-((2S)-2-hydroxy-3-[4-(1-methyl-1-([3-(trifluoromethyl)phenyl]sulfonyl)ethyl)piperidin-1-yl]-3-oxopropyl)-1H-imidazol-3-ium trifluoroacetate
    —— 5-(2-Methoxy-phenyl)-2-phenyl-1H-pyrrole-3-carbaldehyde 110699-08-6 C18H15NO2
    5-(2-Methoxy-phenyl)-2-phenyl-1H-pyrrole-3-carbaldehyde
    —— 5-Benzoylimino-2-acetyl-Δ<sup>3</sup>-1,2,3-thiadiazolin 10450-12-1 C11H9N3O2S
    5-Benzoylimino-2-acetyl-Δ<sup>3</sup>-1,2,3-thiadiazolin
    —— [5-(Toluene-4-sulfonyl)-5,6-dihydro-phenanthridin-6-yl]-acetic acid 942613-57-2 C22H19NO4S
    [5-(Toluene-4-sulfonyl)-5,6-dihydro-phenanthridin-6-yl]-acetic acid
    —— 5-(tert-butoxycarbonylamino)-2-(imidazo[1,2-a]yridine-2-yl)thiazole-4-carboxylic acid 1270034-40-6 C16H16N4O4S
    5-(tert-butoxycarbonylamino)-2-(imidazo[1,2-a]yridine-2-yl)thiazole-4-carboxylic acid
    —— 5-chloro-naphthalene-2-sulfonic acid [3-(2-amino-ethyl)-1H-indol-5-yl]-amide 1042724-99-1 C20H18ClN3O2S
    5-chloro-naphthalene-2-sulfonic acid [3-(2-amino-ethyl)-1H-indol-5-yl]-amide
    —— 5-methyl-2-(3-nitro-phenyl)-isothiazolidine 1,1-dioxide 91760-70-2 C10H12N2O4S
    5-methyl-2-(3-nitro-phenyl)-isothiazolidine 1,1-dioxide
    —— (5-methyl-3-oxo-2-thiocarbamoyl-2,3-dihydro-1<i>H</i>-pyrazol-4-yl)-acetic acid 55075-82-6 C7H9N3O3S
    (5-methyl-3-oxo-2-thiocarbamoyl-2,3-dihydro-1<i>H</i>-pyrazol-4-yl)-acetic acid
    —— 5-Fluor-4-chlor-naphthalsaeureanhydrid 3520-26-1 C12H4ClFO3
    5-Fluor-4-chlor-naphthalsaeureanhydrid
    —— 5-<1,2,3,4-Tetrahydro-naphthyl-(6)>-undecan 95000-82-1 C21H34
    5-<1,2,3,4-Tetrahydro-naphthyl-(6)>-undecan
    —— (5R,8R,9S,10S,13S,14S)-16-Bromo-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-one 5987-29-1 C19H29BrO
    (5R,8R,9S,10S,13S,14S)-16-Bromo-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-one
    —— 5-Nitro-furfural-<4-amino-phenyl-sulfonylamino-acetyl-hydrazon> 1100-73-8 C13H13N5O6S
    5-Nitro-furfural-<4-amino-phenyl-sulfonylamino-acetyl-hydrazon>
    —— 5-(4-Phenyl-3-methyl-buten-2-yl)-barbitursaeure 92580-16-0 C15H16N2O3
    5-(4-Phenyl-3-methyl-buten-2-yl)-barbitursaeure
    —— 5-Chlor-4-hexanoyloxy-2H-1,3-benzoxathiol-2-on 95709-48-1 C13H13ClO4S
    5-Chlor-4-hexanoyloxy-2H-1,3-benzoxathiol-2-on
    —— 5-(2-Formyl-ethyl)-2-(3,3-dimethoxy-2-methyl-propyl)-furan 1453-65-2 C13H20O4
    5-(2-Formyl-ethyl)-2-(3,3-dimethoxy-2-methyl-propyl)-furan
    —— 5-[(5S,6R)-5-Benzyloxymethoxy-6-((E)-(S)-3-benzyloxymethoxy-oct-1-enyl)-5,6-dihydro-4H-cyclopentathiazol-2-yl]-pentanoic acid methyl ester 82978-17-4 C36H47NO6S
    5-[(5S,6R)-5-Benzyloxymethoxy-6-((E)-(S)-3-benzyloxymethoxy-oct-1-enyl)-5,6-dihydro-4H-cyclopentathiazol-2-yl]-pentanoic acid methyl ester