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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,10-di-<i>tert</i>-butyl-tetradeca-2,4,10,12-tetraene-6,8-diynedial 50565-13-4 C22H26O2
    5,10-di-<i>tert</i>-butyl-tetradeca-2,4,10,12-tetraene-6,8-diynedial
    —— [5']uridylic acid mono-(4-methanesulfinyl-anilide) 59237-87-5 C16H20N3O9PS
    [5']uridylic acid mono-(4-methanesulfinyl-anilide)
    —— 5-methyl-9-quinolin-2-yl-tetrazolo[1,2-<i>a</i>][1,2,4]triazolo[4,3-<i>c</i>]pyrimidine 70086-10-1 C15H10N8
    5-methyl-9-quinolin-2-yl-tetrazolo[1,2-<i>a</i>][1,2,4]triazolo[4,3-<i>c</i>]pyrimidine
    —— 5-Acetylpyridazin-4-carbonsaeure-ethylester 70801-17-1 C9H10N2O3
    5-Acetylpyridazin-4-carbonsaeure-ethylester
    —— 5-[(E)-tert-Butylimino-methyl]-5-ethyl-nonan-2-one 70105-72-5 C16H31NO
    5-[(E)-tert-Butylimino-methyl]-5-ethyl-nonan-2-one
    —— 5-Chlor-6.13-pentacenchinon 70402-18-5 C22H11ClO2
    5-Chlor-6.13-pentacenchinon
    —— 5-Ethyl-5-phenyl-N-hydroxybarbitursaeure 2507-70-2 C12H12N2O4
    5-Ethyl-5-phenyl-N-hydroxybarbitursaeure
    —— <5-2H,5-13C>-1,2,3-thiadiazole 59262-23-6 C2H2N2S
    <5-2H,5-13C>-1,2,3-thiadiazole
    —— 5,8-dichloro-2-methyl-4-(4-nitrobenzyl)-2H-phthalazin-1-one 1132953-75-3 C16H11Cl2N3O3
    5,8-dichloro-2-methyl-4-(4-nitrobenzyl)-2H-phthalazin-1-one
    —— 5-chloro-2,6-dimethyl-4-thioxo-1,4-dihydro-pyridine-3-carboxylic acid ethyl ester 70271-84-0 C10H12ClNO2S
    5-chloro-2,6-dimethyl-4-thioxo-1,4-dihydro-pyridine-3-carboxylic acid ethyl ester
    —— (5-methyl-3-nitro-[1,2,4]triazol-1-yl)-acetic acid methyl ester 70965-26-3 C6H8N4O4
    (5-methyl-3-nitro-[1,2,4]triazol-1-yl)-acetic acid methyl ester
    —— 5-hydrazino-7<i>H</i>-pyrido[2,3-<i>d</i>]pyridazine-8-thione 69271-02-9 C7H7N5S
    5-hydrazino-7<i>H</i>-pyrido[2,3-<i>d</i>]pyridazine-8-thione
    —— 5-Brom-7-nitro-N-<4-methoxy-benzoyl>-indolin 58585-30-1 C16H13BrN2O4
    5-Brom-7-nitro-N-<4-methoxy-benzoyl>-indolin
    —— (5E,7E)-6-Butyl-dodeca-5,7-diene 127410-83-7 C16H30
    (5E,7E)-6-Butyl-dodeca-5,7-diene
    —— 5-(4-ethynylphenyl)-10-mesityl-5,10-dihydrodibenzo[b,e][1,4]azaborinine 1181972-81-5 C29H24BN
    5-(4-ethynylphenyl)-10-mesityl-5,10-dihydrodibenzo[b,e][1,4]azaborinine
    —— 5-aminomethylisoxazole-3-propionamide hydrochloride 138742-04-8 C7H11N3O2*ClH
    5-aminomethylisoxazole-3-propionamide hydrochloride
    —— [5']guanylic acid mono-(2-hydroxy-ethyl) ester 60931-16-0 C12H18N5O9P
    [5']guanylic acid mono-(2-hydroxy-ethyl) ester
    —— 5-Hydroxy-3-methoxycarbonylmethyl-1-methyl-4-phenyl-5,6-dihydro-2-pyridon 61209-92-5 C15H17NO4
    5-Hydroxy-3-methoxycarbonylmethyl-1-methyl-4-phenyl-5,6-dihydro-2-pyridon
    —— 5-(3-dimethylamino-propoxy)-2-(1-methyl-5-nitro-1<i>H</i>-imidazol-2-ylmethylene)-indan-1-one 55079-75-9 C19H22N4O4
    5-(3-dimethylamino-propoxy)-2-(1-methyl-5-nitro-1<i>H</i>-imidazol-2-ylmethylene)-indan-1-one
    —— 5-naphthalen-2-yl-1,3,6,7,8,9-hexahydro-benzo[4,5]thieno[2,3-<i>e</i>][1,4]diazepin-2-one 52824-96-1 C21H18N2OS
    5-naphthalen-2-yl-1,3,6,7,8,9-hexahydro-benzo[4,5]thieno[2,3-<i>e</i>][1,4]diazepin-2-one
    —— 5-(toluene-4-sulfonyloxymethyl)-5,5a,6,8,9,10,11,11a,11b,12-decahydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-<i>f</i>]pyrido[2,1-<i>a</i>]isoindole 58804-90-3 C25H29NO5S
    5-(toluene-4-sulfonyloxymethyl)-5,5a,6,8,9,10,11,11a,11b,12-decahydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-<i>f</i>]pyrido[2,1-<i>a</i>]isoindole
    —— 5-(4-chloro-benzyl)-2,2,2-trimethoxy-3,3-bis-trifluoromethyl-2,3-dihydro-2λ<sup>5</sup>-[1,4,2]oxazaphosphole 58790-96-8 C14H15ClF6NO4P
    5-(4-chloro-benzyl)-2,2,2-trimethoxy-3,3-bis-trifluoromethyl-2,3-dihydro-2λ<sup>5</sup>-[1,4,2]oxazaphosphole
    —— (5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(ethylthio)-1H-pyrazol-3-yl)-5-(1-(trifluoromethyl)cyclobutyl)-1,3,4-thiadiazole 1219736-20-5 C24H18Cl3F3N4S2
    (5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(ethylthio)-1H-pyrazol-3-yl)-5-(1-(trifluoromethyl)cyclobutyl)-1,3,4-thiadiazole
    —— (5S)-3-(3-methoxy-3-methyl-1-butyn-1-yl)-7-(2-pyrazinyl)spiro[chromeno[2,3-b]pyridine-5,4'-[1,3]oxazol]-2'-amine 1215872-03-9 C24H21N5O3
    (5S)-3-(3-methoxy-3-methyl-1-butyn-1-yl)-7-(2-pyrazinyl)spiro[chromeno[2,3-b]pyridine-5,4'-[1,3]oxazol]-2'-amine
    —— 5-[(3aS,4R,8R,8aS)-4,8-Dibenzyl-2,2-dimethyl-7-(3-nitro-benzyl)-6-oxo-hexahydro-1,3-dioxa-5,7-diaza-azulen-5-ylmethyl]-2-fluoro-benzoic acid methyl ester 256345-52-5 C38H38FN3O7
    5-[(3aS,4R,8R,8aS)-4,8-Dibenzyl-2,2-dimethyl-7-(3-nitro-benzyl)-6-oxo-hexahydro-1,3-dioxa-5,7-diaza-azulen-5-ylmethyl]-2-fluoro-benzoic acid methyl ester
    —— 5-Nitro-2-trichlormethylpyridin 59095-70-4 C6H3Cl3N2O2
    5-Nitro-2-trichlormethylpyridin
    —— 5-[(E)-2-(2-bromophenyl)ethenyl]-3-methyl-1,2-oxazol-4-amine 1427648-86-9 C12H11BrN2O
    5-[(E)-2-(2-bromophenyl)ethenyl]-3-methyl-1,2-oxazol-4-amine
    —— 5-(4-fluoro-phenyl)-2-(2-morpholin-4-yl-ethoxy)-pyrimidine-4-carboxylic acid (3,5-bis-trifluoromethyl-benzyl)-methyl-amide 311335-34-9 C27H25F7N4O3
    5-(4-fluoro-phenyl)-2-(2-morpholin-4-yl-ethoxy)-pyrimidine-4-carboxylic acid (3,5-bis-trifluoromethyl-benzyl)-methyl-amide
    —— 5-amino-1-(2',3'-O-isopropylidene-4'-hydroxymethylcyclopentyl)imidazole-4-dibenzyl aspartyl carboxamide 174088-42-7 C31H36N4O8
    5-amino-1-(2',3'-O-isopropylidene-4'-hydroxymethylcyclopentyl)imidazole-4-dibenzyl aspartyl carboxamide
    —— 5-ethylthio-4-iodo-1-(4-methylsulfonylphenyl)isoxazole 938041-97-5 C12H12INO3S2
    5-ethylthio-4-iodo-1-(4-methylsulfonylphenyl)isoxazole
    —— (5S,8S,Z)-8-isobutyl-5-isopropyl-11H-3-oxa-6,9-diaza-1(4,1)-triazolacyclododecaphane-4,7,10-trione 1585976-42-6 C17H27N5O4
    (5S,8S,Z)-8-isobutyl-5-isopropyl-11H-3-oxa-6,9-diaza-1(4,1)-triazolacyclododecaphane-4,7,10-trione
    —— 5-[2-(azetidine-1-carbonyl)-thieno[3,2-b]pyridin-7-ylamino]-2-methyl-indole-1-carboxylic acid methylamide 596794-48-8 C22H21N5O2S
    5-[2-(azetidine-1-carbonyl)-thieno[3,2-b]pyridin-7-ylamino]-2-methyl-indole-1-carboxylic acid methylamide
    —— 5-chloro-N-{[(5S)-3-{2-fluoro-4-[3-(hydroxymethyl)-2-oxopiperidin-1-yl]phenyl}-2-oxo-1,3-oxazolidin-5-yl]methyl}thiophene-2-carboxamide 1093628-50-2 C21H21ClFN3O5S
    5-chloro-N-{[(5S)-3-{2-fluoro-4-[3-(hydroxymethyl)-2-oxopiperidin-1-yl]phenyl}-2-oxo-1,3-oxazolidin-5-yl]methyl}thiophene-2-carboxamide
    —— 5-(4-chloro-2-methoxyphenoxy)thiophene-2-carboxylic acid 1438436-53-3 C12H9ClO4S
    5-(4-chloro-2-methoxyphenoxy)thiophene-2-carboxylic acid
    —— 5-Bromo-2,4-dichloronaphthalins.anhydrid 29016-77-1 C12H3BrCl2O3
    5-Bromo-2,4-dichloronaphthalins.anhydrid
    —— (+/-)-(5R)-mesyloxy-(6S)-prostaglandin I<sub>1</sub> methyl ester 65844-23-7 C22H38O8S
    (+/-)-(5R)-mesyloxy-(6S)-prostaglandin I<sub>1</sub> methyl ester
    —— 5-methyl-7-phenylthiazolo[5,4-d]pyrimidine 1385059-68-6 C12H9N3S
    5-methyl-7-phenylthiazolo[5,4-d]pyrimidine
    —— 5,7,4'-tri-<i>tert</i>-butyl-3'-(2,2-dimethyl-propionyl)-1'-methyl-spiro[benzofuran-3,2'-pyrrolidine]-2,5'-dione 60434-65-3 C29H43NO4
    5,7,4'-tri-<i>tert</i>-butyl-3'-(2,2-dimethyl-propionyl)-1'-methyl-spiro[benzofuran-3,2'-pyrrolidine]-2,5'-dione
    —— (5-Hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)-(4-trifluoromethyl-phenyl)-methanone 76089-43-5 C13H11F3N2O2
    (5-Hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)-(4-trifluoromethyl-phenyl)-methanone
    —— 5-(2-Bromomethyl-benzyl)-1H-tetrazole 188255-02-9 C9H9BrN4
    5-(2-Bromomethyl-benzyl)-1H-tetrazole
    —— 5-(5'-Bromo-1'-ketoacenaphthylidene)-3-phenylthiazolidene-2-thione-4-one 18349-93-4 C21H10BrNO2S2
    5-(5'-Bromo-1'-ketoacenaphthylidene)-3-phenylthiazolidene-2-thione-4-one
    —— 5-ethoxycarbonylpentyl 2-O-benzoyl-3-O-(2-O-benzoyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-4,6-di-O-benzyl-α-D-mannopyranoside 1361016-74-1 C69H74O15
    5-ethoxycarbonylpentyl 2-O-benzoyl-3-O-(2-O-benzoyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-4,6-di-O-benzyl-α-D-mannopyranoside
    —— 5-Hydrazinocarbonylmethylmercapto-3-(2-ethoxyphenyl)-4H-1,2,4-triazol 23339-99-3 C12H15N5O2S
    5-Hydrazinocarbonylmethylmercapto-3-(2-ethoxyphenyl)-4H-1,2,4-triazol
    —— 5-(t-butyldimethylsilyl)oxy-6,6-dimethyl-2-cyclohexenone 446867-22-7 C14H26O2Si
    5-(t-butyldimethylsilyl)oxy-6,6-dimethyl-2-cyclohexenone
    —— 5-Chlor-2-cyclohexyloxy-nicotinsaeure 68359-20-6 C12H14ClNO3
    5-Chlor-2-cyclohexyloxy-nicotinsaeure
    —— 5-[[8-(3-Morpholin-4-ylpropylamino)isoquinolin-3-yl]amino]pyrazine-2-carbonitrile 1184844-08-3 C21H23N7O
    5-[[8-(3-Morpholin-4-ylpropylamino)isoquinolin-3-yl]amino]pyrazine-2-carbonitrile
    —— 5-Bromo-benzo[1,3]dioxole-4-carboxylic acid diethylamide 749913-29-9 C12H14BrNO3
    5-Bromo-benzo[1,3]dioxole-4-carboxylic acid diethylamide
    —— 5,6,7,8,9,10,11,12,13,14-Decahydro-benzocyclododecene-2-carboxylic acid methyl ester 105962-06-9 C18H26O2
    5,6,7,8,9,10,11,12,13,14-Decahydro-benzocyclododecene-2-carboxylic acid methyl ester
    —— 5-(2-Oxo-1,2-dihydroquinolin-4-ylmethyl)thiazolidine-2,4-dione 882008-02-8 C13H10N2O3S
    5-(2-Oxo-1,2-dihydroquinolin-4-ylmethyl)thiazolidine-2,4-dione
    —— 5,7,7-trimethyl-1-(trideuteriomethyl)cyclohepta-1,3,5-triene 126950-01-4 C11H16
    5,7,7-trimethyl-1-(trideuteriomethyl)cyclohepta-1,3,5-triene