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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-bromo-3-(1-bromoethyl)-2-pentene 73959-62-3 C7H12Br2
    5-bromo-3-(1-bromoethyl)-2-pentene
    —— 5'-O-(4,4'-dimethoxytrityl)-3'-O-[(N,N-diisopropylamino)-(2-cyanoethyl)]phosphinyl-2'-O-[2-(methylsulfinyl)ethanimine-N-oxymethyl]uridine 1369323-99-8 C43H54N5O11PS
    5'-O-(4,4'-dimethoxytrityl)-3'-O-[(N,N-diisopropylamino)-(2-cyanoethyl)]phosphinyl-2'-O-[2-(methylsulfinyl)ethanimine-N-oxymethyl]uridine
    —— 5-oxo-3-phenyl-2,5-dihydro-furan-2-carboxylic acid {[2-(3H-isoindol-1-yl)-ethylcarbamoyl]-methyl}-amide 410075-45-5 C23H21N3O4
    5-oxo-3-phenyl-2,5-dihydro-furan-2-carboxylic acid {[2-(3H-isoindol-1-yl)-ethylcarbamoyl]-methyl}-amide
    —— 5-cyano-2,2,8,8,12,13,17,18-octamethylisobacteriochlorin 72812-15-8 C29H33N5
    5-cyano-2,2,8,8,12,13,17,18-octamethylisobacteriochlorin
    —— 5-[[4-(Methoxycarbonylmethoxy)phenyl]aminocarbonyl]-4-methyl-2-[1-(phenylmethoxycarbonyl)-4-piperidyl]-1,3-thiazole 189695-80-5 C27H29N3O6S
    5-[[4-(Methoxycarbonylmethoxy)phenyl]aminocarbonyl]-4-methyl-2-[1-(phenylmethoxycarbonyl)-4-piperidyl]-1,3-thiazole
    —— (5S,9S)-5,9-bis(tert-butyldimethylsilyloxy)decanal 311805-75-1 C22H48O3Si2
    (5S,9S)-5,9-bis(tert-butyldimethylsilyloxy)decanal
    —— 5-Amino-7-(4-chloro-phenyl)-6-cyano-3-(4-methoxy-phenyl)-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid 128639-64-5 C23H15ClN4O4
    5-Amino-7-(4-chloro-phenyl)-6-cyano-3-(4-methoxy-phenyl)-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid
    —— 5-[2-(4-Ethoxy-phenylamino)-acetylamino]-3-methyl-isothiazole-4-carboxylic acid 62177-32-6 C15H17N3O4S
    5-[2-(4-Ethoxy-phenylamino)-acetylamino]-3-methyl-isothiazole-4-carboxylic acid
    —— (5S,6S,8R,9R,4'R)-3-cyclohexyl-6-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-8,9-(dimethylmethylenedioxy)-2-thioxo-7-oxa-1,3-diazaspiro[4.4]nonan-4-one 1262144-93-3 C20H30N2O6S
    (5S,6S,8R,9R,4'R)-3-cyclohexyl-6-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-8,9-(dimethylmethylenedioxy)-2-thioxo-7-oxa-1,3-diazaspiro[4.4]nonan-4-one
    —— (5-chloro-2-hydroxy-phenyl)-pyrrol-2-yl-methanone 39205-15-7 C11H8ClNO2
    (5-chloro-2-hydroxy-phenyl)-pyrrol-2-yl-methanone
    —— 5,12-Dihydroxy-dibenz<a,h>phenazin 3881-90-1 C20H12N2O2
    5,12-Dihydroxy-dibenz<a,h>phenazin
    —— 5,7,12,14-Tetrahydro-pentacen-1,4,6,13,8,11-trichinon-disulfonsaeure-(2,9)-bis-methylanilid 105564-99-6 C36H26N2O10S2
    5,7,12,14-Tetrahydro-pentacen-1,4,6,13,8,11-trichinon-disulfonsaeure-(2,9)-bis-methylanilid
    —— 5-Methoxy-6-acetoxy-phthalid 91345-23-2 C11H10O5
    5-Methoxy-6-acetoxy-phthalid
    —— 5-isopentyl-3,6-dimethyl-1<i>H</i>-pyrimidine-2,4-dione 100051-57-8 C11H18N2O2
    5-isopentyl-3,6-dimethyl-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-(3,5-dichloroanilino)-3-oxo-N'-propan-2-yl-1,2-thiazole-4-carboximidamide 908377-73-1 C13H14Cl2N4OS
    5-(3,5-dichloroanilino)-3-oxo-N'-propan-2-yl-1,2-thiazole-4-carboximidamide
    —— 5,7-dichloro-3-(4-methyl-benzyl)-1H-quinazoline-2,4-dione 1000860-37-6 C16H12Cl2N2O2
    5,7-dichloro-3-(4-methyl-benzyl)-1H-quinazoline-2,4-dione
    —— 5,6,7,8-Tetrachloro-3,4-dihydro-2H-1,4-methano-naphthalene-1-carboxylic acid 13733-45-4 C12H8Cl4O2
    5,6,7,8-Tetrachloro-3,4-dihydro-2H-1,4-methano-naphthalene-1-carboxylic acid
    —— 5,12,20,27,32,39-Hexamethyl-5,12,20,27,32,39-hexaazaheptacyclo<14.12.12.2<sup>7,10</sup>.2<sup>22,25</sup>.2<sup>34,37</sup>.1<sup>3,30</sup>.1<sup>14,18</sup>>octatetraconta-1,3,7,9,14,16,18,22,24,29,34,36,41,44,47-pentadecaen 123003-09-8 C48H60N6
    5,12,20,27,32,39-Hexamethyl-5,12,20,27,32,39-hexaazaheptacyclo<14.12.12.2<sup>7,10</sup>.2<sup>22,25</sup>.2<sup>34,37</sup>.1<sup>3,30</sup>.1<sup>14,18</sup>>octatetraconta-1,3,7,9,14,16,18,22,24,29,34,36,41,44,47-pentadecaen
    —— 5,7-Di-tert-butyl-1-phenyl-2-o-tolyl-spiro[2.5]octa-1,4,7-trien-6-one 82409-15-2 C29H32O
    5,7-Di-tert-butyl-1-phenyl-2-o-tolyl-spiro[2.5]octa-1,4,7-trien-6-one
    —— 5-(2-(N-Benzyl-N-isopropylamino)-1-hydroxyethyl)-salicylamid 24076-06-0 C19H24N2O3
    5-(2-(N-Benzyl-N-isopropylamino)-1-hydroxyethyl)-salicylamid
    —— 5-(3,4-difluoro-benzyloxy)-2-nitro-meta-xylene 1202160-82-4 C15H13F2NO3
    5-(3,4-difluoro-benzyloxy)-2-nitro-meta-xylene
    —— 5-Bromo-1-(2-methyl-4-nitro-phenyl)indole-3-carboxylic acid 1048351-42-3 C16H11BrN2O4
    5-Bromo-1-(2-methyl-4-nitro-phenyl)indole-3-carboxylic acid
    —— 5-Bromo-1-[(4-butylphenyl)methyl]pyrimidine-2,4-dione 1044504-53-1 C15H17BrN2O2
    5-Bromo-1-[(4-butylphenyl)methyl]pyrimidine-2,4-dione
    —— 5-ethoxy-4-aminomethyl-hexan-1-ol 412320-81-1 C9H21NO2
    5-ethoxy-4-aminomethyl-hexan-1-ol
    —— 5-(4-methoxy-phenyl)-4-methyl-4,5-dihydro-isoxazol-3-ylamine 68432-08-6 C11H14N2O2
    5-(4-methoxy-phenyl)-4-methyl-4,5-dihydro-isoxazol-3-ylamine
    —— 5-(3-([1,1'-biphenyl]-4-yl)-6-bromo-2-oxo-2H-chromen-4-yl)-2-methylnicotinic acid 1020671-93-5 C28H18BrNO4
    5-(3-([1,1'-biphenyl]-4-yl)-6-bromo-2-oxo-2H-chromen-4-yl)-2-methylnicotinic acid
    —— (5-hydroxy-4-iodo-2-nitro-phenyl)-carbamic acid tert-butyl ester 335352-09-5 C11H13IN2O5
    (5-hydroxy-4-iodo-2-nitro-phenyl)-carbamic acid tert-butyl ester
    —— 5,6-Dimethyl-2-indanylessigsaeuremethylester 27868-03-7 C14H18O2
    5,6-Dimethyl-2-indanylessigsaeuremethylester
    —— 5-(5,6,6a,7,9,10-hexahydro-[1,4]oxazino[3,4-h]pteridin-2-yl)pyrimidin-2-amine 1394071-42-1 C13H15N7O
    5-(5,6,6a,7,9,10-hexahydro-[1,4]oxazino[3,4-h]pteridin-2-yl)pyrimidin-2-amine
    —— 5-methyl-4-(2-quinolinylmethoxy)-1-hexanol 142820-31-3 C17H23NO2
    5-methyl-4-(2-quinolinylmethoxy)-1-hexanol
    —— (5R,6R,9R,10R,13R,14R)-5,14-di(methoxymethoxy)-24-(p-methoxybenzyloxy)methoxy-6,9,10,13-dioxidotricos-1-yne 720678-26-2 C37H60O9
    (5R,6R,9R,10R,13R,14R)-5,14-di(methoxymethoxy)-24-(p-methoxybenzyloxy)methoxy-6,9,10,13-dioxidotricos-1-yne
    —— 5,25-Dimethyl-1,21-dioxa-6,26-dithia-cyclotetracontane-20,40-dione 119837-68-2 C38H72O4S2
    5,25-Dimethyl-1,21-dioxa-6,26-dithia-cyclotetracontane-20,40-dione
    —— [5-(bromomethyl)-2-oxo-1,3-dioxol-4-yl]methyl nitrate 1207855-70-6 C5H4BrNO6
    [5-(bromomethyl)-2-oxo-1,3-dioxol-4-yl]methyl nitrate
    —— 5-(2-Amino-thiazol-4-yl)-1-phenyl-2-thioxo-3-p-tolyl-dihydro-pyrimidine-4,6-dione 138652-86-5 C20H16N4O2S2
    5-(2-Amino-thiazol-4-yl)-1-phenyl-2-thioxo-3-p-tolyl-dihydro-pyrimidine-4,6-dione
    —— 5-Indancarboxaldehyde 2'-methylsemicarbazone 215459-26-0 C12H15N3O
    5-Indancarboxaldehyde 2'-methylsemicarbazone
    —— (5-{2-[4-(3,4,5-trimethoxy-phenyl)-butyrylamino]-phenyl}-thiophen-2-yl)-acetic acid methyl ester 934176-44-0 C26H29NO6S
    (5-{2-[4-(3,4,5-trimethoxy-phenyl)-butyrylamino]-phenyl}-thiophen-2-yl)-acetic acid methyl ester
    —— 5,6-di-O-benzoyl-3,4-di-O-benzyl-1-deoxy-1-dimethylphenylsilyl-D-iditol 222408-77-7 C42H44O7Si
    5,6-di-O-benzoyl-3,4-di-O-benzyl-1-deoxy-1-dimethylphenylsilyl-D-iditol
    —— (5-(4-chlorophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)(4-methoxyphenyl)methanone 932726-41-5 C21H17ClN2O2S
    (5-(4-chlorophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)(4-methoxyphenyl)methanone
    —— 5-(4-formyl-1H-pyrazol-3-yl)-1H-pyrrole-2-carbonitrile 1190060-20-8 C9H6N4O
    5-(4-formyl-1H-pyrazol-3-yl)-1H-pyrrole-2-carbonitrile
    —— 5-(2-fluorophenyl)-7-iodo<1,2,4>triazolo<4,3-a>quinazoline 131637-53-1 C16H10FIN4
    5-(2-fluorophenyl)-7-iodo<1,2,4>triazolo<4,3-a>quinazoline
    —— 5-[[(3R,5S)-1-(3-acetoxy-2,2-dimethylpropyl)-7-chloro-5-(2,3-dimethoxyphenyl)-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetyl]amino-2-furancarboxylic acid 383657-89-4 C31H33ClN2O10
    5-[[(3R,5S)-1-(3-acetoxy-2,2-dimethylpropyl)-7-chloro-5-(2,3-dimethoxyphenyl)-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetyl]amino-2-furancarboxylic acid
    —— 5,7-diacetoxy-3-{4-[<i>O</i><sup>3</sup>,<i>O</i><sup>4</sup>,<i>O</i><sup>6</sup>-triacetyl-<i>O</i><sup>2</sup>-(tri-<i>O</i>-acetyl-α-L-rhamnopyranosyl)-β-D-glucopyranosyloxy]-phenyl}-chromen-4-one 20963-99-9 C43H46O22
    5,7-diacetoxy-3-{4-[<i>O</i><sup>3</sup>,<i>O</i><sup>4</sup>,<i>O</i><sup>6</sup>-triacetyl-<i>O</i><sup>2</sup>-(tri-<i>O</i>-acetyl-α-L-rhamnopyranosyl)-β-D-glucopyranosyloxy]-phenyl}-chromen-4-one
    —— 5-[2-[7-Iodo-3-(methoxymethoxy)-4-[2-(methoxymethoxy)-3-[2-(6-pyridin-2-ylpyridin-3-yl)ethynyl]naphthalen-1-yl]naphthalen-2-yl]ethynyl]-2-pyridin-2-ylpyridine 1192651-11-8 C48H33IN4O4
    5-[2-[7-Iodo-3-(methoxymethoxy)-4-[2-(methoxymethoxy)-3-[2-(6-pyridin-2-ylpyridin-3-yl)ethynyl]naphthalen-1-yl]naphthalen-2-yl]ethynyl]-2-pyridin-2-ylpyridine
    —— 5-(4-hydroxy-phenyl)-3-methyl-2-thioxo-[1,3,4]thiadiazinan-6-one <i>O</i>-ethoxycarbonyl-oxime 50368-65-5 C13H15N3O4S2
    5-(4-hydroxy-phenyl)-3-methyl-2-thioxo-[1,3,4]thiadiazinan-6-one <i>O</i>-ethoxycarbonyl-oxime
    —— 5,6,8,9-Tetracyano-2,11-dithia<3.3>paracyclophane 2,2,11,11-Tetraoxide 105537-15-3 C20H12N4O4S2
    5,6,8,9-Tetracyano-2,11-dithia<3.3>paracyclophane 2,2,11,11-Tetraoxide
    —— 5α-Fluor-16-nitro-3β-hydroxy-pregn-16-en-6,20-dion-acetat 17329-14-5 C23H30FNO6
    5α-Fluor-16-nitro-3β-hydroxy-pregn-16-en-6,20-dion-acetat
    —— 5-(1,3-thiazol-2-yl)nicotinonitrile 1353560-28-7 C9H5N3S
    5-(1,3-thiazol-2-yl)nicotinonitrile
    —— (5R,6R,7R,18S)-5,6-bis(benzyloxy)-7-(methoxymethoxy)-18-methyloxacyclooctadecan-2-one 1378374-62-9 C34H50O6
    (5R,6R,7R,18S)-5,6-bis(benzyloxy)-7-(methoxymethoxy)-18-methyloxacyclooctadecan-2-one
    —— 5-Cyclopropylmethoxy-5-(1,1-difluoro-ethyl)-7-fluoro-5,10-dihydro-benzo[b][1,8]naphthyridine 1-oxide 335448-73-2 C18H17F3N2O2
    5-Cyclopropylmethoxy-5-(1,1-difluoro-ethyl)-7-fluoro-5,10-dihydro-benzo[b][1,8]naphthyridine 1-oxide
    —— [5'-chloro-3-methyl-2,2',5-trioxo-1-[(2-phenyl-1,3-thiazol-4-yl)methyl]spiro[imidazolidine-4,3'-indol]-1'(2'H)-yl]acetic acid tert-butyl ester 1312014-77-9 C27H25ClN4O5S
    [5'-chloro-3-methyl-2,2',5-trioxo-1-[(2-phenyl-1,3-thiazol-4-yl)methyl]spiro[imidazolidine-4,3'-indol]-1'(2'H)-yl]acetic acid tert-butyl ester