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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Methylene-oxazolidine-2,3-dicarboxylic acid 3-tert-butyl ester 2-methyl ester 144019-50-1 C11H17NO5
    5-Methylene-oxazolidine-2,3-dicarboxylic acid 3-tert-butyl ester 2-methyl ester
    —— 5-phenyl-3,6-dihydro-2H-thiopyran 1,1-dioxide 1393559-61-9 C11H12O2S
    5-phenyl-3,6-dihydro-2H-thiopyran 1,1-dioxide
    —— 5-Chloro-N-(2-dimethylaminoethyl)-3-(2-fluorphenyl)indol-2-carboxamid 57046-49-8 C19H19ClFN3O
    5-Chloro-N-(2-dimethylaminoethyl)-3-(2-fluorphenyl)indol-2-carboxamid
    —— 5-Bromo-2-cyclopropyl-4-methylpyridine hydrochloride 2137578-28-8 C9H11BrClN
    5-Bromo-2-cyclopropyl-4-methylpyridine hydrochloride
    —— 5,5,6,6,7,7,8,8,8-nonafluoro-3-iodooct-3-en-1-ol 861136-06-3 C7H4F9IO
    5,5,6,6,7,7,8,8,8-nonafluoro-3-iodooct-3-en-1-ol
    —— 5-chloro-2-(2-chloro-4-iodo-phenylamino)-N-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-3,4-difluoro-benzamide 391212-53-6 C19H17Cl2F2IN2O4
    5-chloro-2-(2-chloro-4-iodo-phenylamino)-N-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-3,4-difluoro-benzamide
    —— 5-Phenyl-2,3-dihydro-1H-2,4-benzodiazepin-1-on-4-oxid 54768-79-5 C15H12N2O2
    5-Phenyl-2,3-dihydro-1H-2,4-benzodiazepin-1-on-4-oxid
    —— 5-(Benzyloxy)-4-methoxy-3H-pyrrolo<3,2-f>chinolin-2,7,9-tricarbonsaeure-trimethylester 156235-23-3 C25H22N2O8
    5-(Benzyloxy)-4-methoxy-3H-pyrrolo<3,2-f>chinolin-2,7,9-tricarbonsaeure-trimethylester
    —— (5Z)-4-(4-chlorophenyl)-5-(furan-2-ylmethylidene)furan-2-one 95412-21-8 C15H9ClO3
    (5Z)-4-(4-chlorophenyl)-5-(furan-2-ylmethylidene)furan-2-one
    —— 5-(3-ethynylphenyl)-3-methyl-2-(phenylsulfonylmethyl)thiophene 1188381-94-3 C20H16O2S2
    5-(3-ethynylphenyl)-3-methyl-2-(phenylsulfonylmethyl)thiophene
    —— 5.5-Diphenyl-2-oxo-oxazolidin-carbonsaeure-(3)-<2-dimethylamino-aethylester> 94680-44-1 C20H22N2O4
    5.5-Diphenyl-2-oxo-oxazolidin-carbonsaeure-(3)-<2-dimethylamino-aethylester>
    —— 5-Phenyl-6-chlor-deca-4,6-dien 94163-59-4 C16H21Cl
    5-Phenyl-6-chlor-deca-4,6-dien
    —— (5-chloro-2-methyl-4-oxo-4<i>H</i>-quinazolin-3-yl)-thiourea 90797-81-2 C10H9ClN4OS
    (5-chloro-2-methyl-4-oxo-4<i>H</i>-quinazolin-3-yl)-thiourea
    —— 5-bromo-N-quinolin-2-ylphthalamic acid 1620997-05-8 C17H11BrN2O3
    5-bromo-N-quinolin-2-ylphthalamic acid
    —— 5-(dimethylaminomethyl)-2,2-dimethyl-1,3-dioxan 1392284-69-3 C9H19NO2
    5-(dimethylaminomethyl)-2,2-dimethyl-1,3-dioxan
    —— 5-Oxa-9-azaspiro[3.5]nonane 2137579-91-8 C7H13NO
    5-Oxa-9-azaspiro[3.5]nonane
    —— 5-Methoxy-3,6-dimethyl-pyridazin-1-oxid 56935-21-8 C7H10N2O2
    5-Methoxy-3,6-dimethyl-pyridazin-1-oxid
    —— (5-chloro-2-(1-(methoxyimino)ethyl)phenyl)(4-fluorophenyl)methanone 1510826-85-3 C16H13ClFNO2
    (5-chloro-2-(1-(methoxyimino)ethyl)phenyl)(4-fluorophenyl)methanone
    —— 5-(1,3-benzothiazol-2-yl)-2-morpholin-4-yl-4-[[(3S)-pyrrolidin-3-yl]amino]-1H-pyrimidin-6-one;hydrochloride 1433152-09-0 C19H22N6O2S*ClH
    5-(1,3-benzothiazol-2-yl)-2-morpholin-4-yl-4-[[(3S)-pyrrolidin-3-yl]amino]-1H-pyrimidin-6-one;hydrochloride
    —— 5-Oxo-3-benzylidenhydrazono-2.6-dimethyl-2.5-dihydro-1.2.4-triazin 95468-75-0 C12H13N5O
    5-Oxo-3-benzylidenhydrazono-2.6-dimethyl-2.5-dihydro-1.2.4-triazin
    —— 5,5-Diaethyl-1.2-dimethyl-4.6-dioxo-1,4,5,6-tetrahydro-pyrimidin 91010-99-0 C10H16N2O2
    5,5-Diaethyl-1.2-dimethyl-4.6-dioxo-1,4,5,6-tetrahydro-pyrimidin
    —— 5-Chlor-7-acetamino-2-methyl-s-triazolo<1.5-a>pyrimidin 89979-32-8 C8H8ClN5O
    5-Chlor-7-acetamino-2-methyl-s-triazolo<1.5-a>pyrimidin
    —— 5-Hex-5-en-(E)-ylidene-6-methylene-7-oxa-bicyclo[2.2.1]heptane-2,3-dicarboxylic acid dimethyl ester 138905-83-6 C17H22O5
    5-Hex-5-en-(E)-ylidene-6-methylene-7-oxa-bicyclo[2.2.1]heptane-2,3-dicarboxylic acid dimethyl ester
    —— 5-(anthracen-9-yloxy)pentanoic acid 913627-86-8 C19H18O3
    5-(anthracen-9-yloxy)pentanoic acid
    —— 5,6-di-O-benzyl-2,3-dideoxy-D-glucono-1,4-lactone 1056674-35-1 C20H22O4
    5,6-di-O-benzyl-2,3-dideoxy-D-glucono-1,4-lactone
    —— 5-bromo-1,3-bis<(ethoxycarbonyl)(2-oxo-1-pyrrolidinyl)methyl>uracil 130881-34-4 C20H25BrN4O8
    5-bromo-1,3-bis<(ethoxycarbonyl)(2-oxo-1-pyrrolidinyl)methyl>uracil
    —— 5-Amino-3-phenethyl-2,4-thiazolidindion 91088-13-0 C11H12N2O3S
    5-Amino-3-phenethyl-2,4-thiazolidindion
    —— 5-chloro-3-((2S,4R)-4-hydroxy-2-oxazol-2-yl-pyrrolidin-1-yl)-3-[4-(4-isopropylpiperazin-1-ylmethyl)-2-methoxyphenyl]-1-(4-methoxybenzenesulfonyl)-1,3-dihydroindol-2-one 940277-59-8 C37H42ClN5O7S
    5-chloro-3-((2S,4R)-4-hydroxy-2-oxazol-2-yl-pyrrolidin-1-yl)-3-[4-(4-isopropylpiperazin-1-ylmethyl)-2-methoxyphenyl]-1-(4-methoxybenzenesulfonyl)-1,3-dihydroindol-2-one
    —— 5-bromo-6-succinimido-PGI1 bis(t-butyldimethylsilyl ether) methyl ester 110901-58-1 C37H66BrNO7Si2
    5-bromo-6-succinimido-PGI1 bis(t-butyldimethylsilyl ether) methyl ester
    —— 5-[3-(5-allyloxy-2,4-dichlorophenoxy)azetidin-1-yl]-5-methyl-2,2-diphenylhexanenitrile 931410-18-3 C31H32Cl2N2O2
    5-[3-(5-allyloxy-2,4-dichlorophenoxy)azetidin-1-yl]-5-methyl-2,2-diphenylhexanenitrile
    —— 5-Diallylaminomethyl-3-<5-nitro-furfuryliden-amino>-oxazolid-2-on 94065-90-4 C15H18N4O5
    5-Diallylaminomethyl-3-<5-nitro-furfuryliden-amino>-oxazolid-2-on
    —— (5-(benzyloxy)-1-(chloromethyl)-1H-pyrrolo[3,2-f]quinolin-3(2H)-yl)(5-(2-(dimethylamino)-ethoxy)-1H-indol-2-yl)methanone 444565-32-6 C32H31ClN4O3
    (5-(benzyloxy)-1-(chloromethyl)-1H-pyrrolo[3,2-f]quinolin-3(2H)-yl)(5-(2-(dimethylamino)-ethoxy)-1H-indol-2-yl)methanone
    —— 5-(2-{Benzyl-[2-(2-methoxy-phenoxy)-1-methyl-ethyl]-amino}-1-hydroxy-ethyl)-2-hydroxy-benzenesulfonamide 344755-00-6 C25H30N2O6S
    5-(2-{Benzyl-[2-(2-methoxy-phenoxy)-1-methyl-ethyl]-amino}-1-hydroxy-ethyl)-2-hydroxy-benzenesulfonamide
    —— 5-[(3R)-3-(3-allyloxy-2-chlorobenzyloxy)pyrrolidin-1-yl]-5-methyl-2,2-diphenylhexanenitrile 931410-01-4 C33H37ClN2O2
    5-[(3R)-3-(3-allyloxy-2-chlorobenzyloxy)pyrrolidin-1-yl]-5-methyl-2,2-diphenylhexanenitrile
    —— 5H-r,cis-3-hydroxy-trans-3-methyl-7-<p-(3'-phenylpropoxy)phenyl>heptan-5-olide 75677-58-6 C23H28O4
    5H-r,cis-3-hydroxy-trans-3-methyl-7-<p-(3'-phenylpropoxy)phenyl>heptan-5-olide
    —— 5-(4-(rhenium(I)tricarbonylchloride-4-methyl-2,2'-bipyridine-4'-carboxyamidyl)phenyl)-10,15,20-triphenylporphyrinatozinc 1065473-89-3 C59H37ClN7O4ReZn
    5-(4-(rhenium(I)tricarbonylchloride-4-methyl-2,2'-bipyridine-4'-carboxyamidyl)phenyl)-10,15,20-triphenylporphyrinatozinc
    —— 5-hydroxy-octadecanoic acid 2858-38-0 C18H36O3
    5-hydroxy-octadecanoic acid
    —— (5S)-2-chloro-5-hydroxy-5-[(Z)-oct-2-enyl]cyclopent-2-en-1-one 116296-59-4 C13H19ClO2
    (5S)-2-chloro-5-hydroxy-5-[(Z)-oct-2-enyl]cyclopent-2-en-1-one
    —— 5'-ethyl-2'-methyl-6'-oxo-1',6'-dihydro-[3,3']bipyridinyl-5-carboxylic acid (4-cyanocyclohexylmethyl)amide 867011-21-0 C22H26N4O2
    5'-ethyl-2'-methyl-6'-oxo-1',6'-dihydro-[3,3']bipyridinyl-5-carboxylic acid (4-cyanocyclohexylmethyl)amide
    —— 5-tert-Butylsulfanyl-1,2,3,4,5-pentachloro-cyclopenta-1,3-diene 91004-25-0 C9H9Cl5S
    5-tert-Butylsulfanyl-1,2,3,4,5-pentachloro-cyclopenta-1,3-diene
    —— 5'-azido-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2',3'-bis-O-(tert-butyldimethylsilyl)uridine 268748-21-6 C55H93N11O15Si4
    5'-azido-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2',3'-bis-O-(tert-butyldimethylsilyl)uridine
    —— 5-(4-methoxy-phenyl)-5,6-dihydro-imidazo[1,2-<i>c</i>]quinazoline 56948-32-4 C17H15N3O
    5-(4-methoxy-phenyl)-5,6-dihydro-imidazo[1,2-<i>c</i>]quinazoline
    —— 5-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-erythrofuranosyl)-2-(4-nitro-phenyl)-2<i>H</i>-pyrazole-3,4-dicarboxylic acid 4-methyl ester 58671-54-8 C19H19N3O9
    5-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-erythrofuranosyl)-2-(4-nitro-phenyl)-2<i>H</i>-pyrazole-3,4-dicarboxylic acid 4-methyl ester
    —— 5-<2-O-acetyl-3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-β-D-ribofuranosyl>-1H-tetrazole 163263-54-5 C20H38N4O6Si2
    5-<2-O-acetyl-3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-β-D-ribofuranosyl>-1H-tetrazole
    —— {5-[(4-fluorophenyl)methyl]-4H-1,2,4-triazol-3-yl}methanaminedihydrochloride 2287311-77-5 C10H13Cl2FN4
    {5-[(4-fluorophenyl)methyl]-4H-1,2,4-triazol-3-yl}methanaminedihydrochloride
    —— 5-(4-chloro-phenyl)-5<i>H</i>-imidazo[2,1-<i>a</i>]isoindole 24033-17-8 C16H11ClN2
    5-(4-chloro-phenyl)-5<i>H</i>-imidazo[2,1-<i>a</i>]isoindole
    —— 5-hydroxy-2-(4-methoxy-benzyl)-3<i>H</i>-pyrimidin-4-one 55342-67-1 C12H12N2O3
    5-hydroxy-2-(4-methoxy-benzyl)-3<i>H</i>-pyrimidin-4-one
    —— 5-chloro-1H-indole-2-carboxylic acid ((S)-1-pyrrolidin-3-ylmethyl)-amide trifluoro acetate 913743-94-9 C2HF3O2*C14H16ClN3O
    5-chloro-1H-indole-2-carboxylic acid ((S)-1-pyrrolidin-3-ylmethyl)-amide trifluoro acetate
    —— 5-Amino-2-[(4-methoxyphenyl)methyl]pentanoicacidhydrochloride 2243516-13-2 C13H20ClNO3
    5-Amino-2-[(4-methoxyphenyl)methyl]pentanoicacidhydrochloride
    —— 5-Methoxy-6-brom-4,7-dimethylcumarin 55106-99-5 C12H11BrO3
    5-Methoxy-6-brom-4,7-dimethylcumarin