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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-bromo-1,3-dimethoxy-2-(methoxymethoxy)benzene 70654-70-5 C10H13BrO4
    5-bromo-1,3-dimethoxy-2-(methoxymethoxy)benzene
    —— 5,5,6,6,7,7-hexafluoro-3-methyl-1-oxa-3-aza-spiro[3.3]heptan-2-one 13639-88-8 C6H3F6NO2
    5,5,6,6,7,7-hexafluoro-3-methyl-1-oxa-3-aza-spiro[3.3]heptan-2-one
    —— 5-p-Tolyl-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester 894421-38-6 C20H17F3N2O2
    5-p-Tolyl-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester
    —— 5-tertbutoxycarbonyl-1-(2-trimethylsilanyl-ethyloxymethyl)-4,6-dihydropyrrolo[3,4-c]pyrazole 657428-45-0 C16H29N3O3Si
    5-tertbutoxycarbonyl-1-(2-trimethylsilanyl-ethyloxymethyl)-4,6-dihydropyrrolo[3,4-c]pyrazole
    —— 5-Bromomethyl-2-(2,4-dinitro-phenyl)-4-[(4-nitro-phenyl)-hydrazono]-2,4-dihydro-pyrazol-3-one 125161-36-6 C16H10BrN7O7
    5-Bromomethyl-2-(2,4-dinitro-phenyl)-4-[(4-nitro-phenyl)-hydrazono]-2,4-dihydro-pyrazol-3-one
    —— 5-hydrogen-7-lithiumsulfido-3-hydrogensulfido-tricyclo[2.2.1.0(2,6)]heptaphosphane 160785-59-1 H2P7S2*Li
    5-hydrogen-7-lithiumsulfido-3-hydrogensulfido-tricyclo[2.2.1.0(2,6)]heptaphosphane
    —— (+/-)-(5-syn)-2-Benzyl-7,7-dimethoxy-5-methyl-2-azabicyclo<2.2.2>octane-3-one 131364-17-5 C17H23NO3
    (+/-)-(5-syn)-2-Benzyl-7,7-dimethoxy-5-methyl-2-azabicyclo<2.2.2>octane-3-one
    —— 5a-Carba-3,6-di-O-(α-D-mannopyranosyl)-α-D-mannopyranose undecaacetate 142967-87-1 C41H56O26
    5a-Carba-3,6-di-O-(α-D-mannopyranosyl)-α-D-mannopyranose undecaacetate
    —— 5-(2-amino-4-oxo-3-phenyl-3,4-dihydro-6-quinazolinyl)-2-(methyloxy)-N-(4-chloro-3-pyridinyl)-pyridinesulfonamide 1383989-62-5 C25H19ClN6O4S
    5-(2-amino-4-oxo-3-phenyl-3,4-dihydro-6-quinazolinyl)-2-(methyloxy)-N-(4-chloro-3-pyridinyl)-pyridinesulfonamide
    —— (5S)-3-benzyloxy-5-hydroxymethyl-Δ<sup>2</sup>-isoxazoline 129097-85-4 C11H13NO3
    (5S)-3-benzyloxy-5-hydroxymethyl-Δ<sup>2</sup>-isoxazoline
    —— 5-(5-fluoro-4-methoxypyrimidin-2-yl)-2-[(pyridin-2-yloxy)methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one 1382784-12-4 C17H15FN6O3
    5-(5-fluoro-4-methoxypyrimidin-2-yl)-2-[(pyridin-2-yloxy)methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one
    —— 5-(p-Methoxyphenyl)-3-(p-toluolsulfonamidomethyl)-1,3-oxaphosphol-4-en-3-oxid 53753-56-3 C18H20NO5PS
    5-(p-Methoxyphenyl)-3-(p-toluolsulfonamidomethyl)-1,3-oxaphosphol-4-en-3-oxid
    —— 5-oxo-2-pyridin-4-yl-2-thiazol-2-yl-tetrahydro-furan-3-carboxylic acid 1224-09-5 C13H10N2O4S
    5-oxo-2-pyridin-4-yl-2-thiazol-2-yl-tetrahydro-furan-3-carboxylic acid
    —— 5,8-Dimethoxy-6-cyan-2,3-dihydro-1H-pyrimido<4,5,6-i,j>-(2,7)-naphthyridin-2-spiro-cyclohexan 19858-77-6 C17H19N5O2
    5,8-Dimethoxy-6-cyan-2,3-dihydro-1H-pyrimido<4,5,6-i,j>-(2,7)-naphthyridin-2-spiro-cyclohexan
    —— 5-chloro-4-(6-cyclopropyl-5-(difluoromethoxy)pyridin-3-yloxy)-2-fluoro-N-(methylsulfonyl)benzamide 1355064-70-8 C17H14ClF3N2O5S
    5-chloro-4-(6-cyclopropyl-5-(difluoromethoxy)pyridin-3-yloxy)-2-fluoro-N-(methylsulfonyl)benzamide
    —— 5-ethyl-3-benzoyl-2,4-dihydroxy-benzoic acid 860505-19-7 C16H14O5
    5-ethyl-3-benzoyl-2,4-dihydroxy-benzoic acid
    —— 5-tert-butyloxycarbonyl-11-(2-dimethylaminoethyl)indolo[3,2-b]carbazole 536758-12-0 C27H29N3O2
    5-tert-butyloxycarbonyl-11-(2-dimethylaminoethyl)indolo[3,2-b]carbazole
    —— 5-(1,4-dimethyl-5,6,7,8-tetrahydro-[2]naphthyl)-5-oxo-valeric acid 94958-62-0 C17H22O3
    5-(1,4-dimethyl-5,6,7,8-tetrahydro-[2]naphthyl)-5-oxo-valeric acid
    —— (5R)-3-({6-[(cyclohexylmethyl)amino]pyridin-3-yl}methyl)-5-methyl-1,3-oxazolidin-2-one 1095988-75-2 C17H25N3O2
    (5R)-3-({6-[(cyclohexylmethyl)amino]pyridin-3-yl}methyl)-5-methyl-1,3-oxazolidin-2-one
    —— 5a,9a-dihydro-5<i>H</i>-tetrazolo[5,1-<i>a</i>]isoindole 25902-76-5 C8H8N4
    5a,9a-dihydro-5<i>H</i>-tetrazolo[5,1-<i>a</i>]isoindole
    —— 5-(trans-hepten-1-yl)-7-(4'-methoxyphenyl)-2-methylquinoline 1312180-77-0 C24H27NO
    5-(trans-hepten-1-yl)-7-(4'-methoxyphenyl)-2-methylquinoline
    —— 5-<5-(ethoxycarbonyl)-2-carboxy-4-methylpyrrol-3-yl>-1-iodopentane 98977-11-8 C14H20INO4
    5-<5-(ethoxycarbonyl)-2-carboxy-4-methylpyrrol-3-yl>-1-iodopentane
    —— 5,8-Dicyan-1,2-benzpyren 95162-53-1 C22H10N2
    5,8-Dicyan-1,2-benzpyren
    —— 5,6,7-trimethoxy-2-{methyl-[3-(1-methyl-4,5-dihydro-1H-imidazol-2-ylmethyl)-benzyl]-amino}-1H-quinazolin-4-one 828242-55-3 C24H29N5O4
    5,6,7-trimethoxy-2-{methyl-[3-(1-methyl-4,5-dihydro-1H-imidazol-2-ylmethyl)-benzyl]-amino}-1H-quinazolin-4-one
    —— 5-[2-(6,7-dimethoxy-5-methyl-4-oxo-1,4-dihydro-quinazolin-2-ylamino)-propyl]-2-methoxy-benzenesulfonainide 828245-13-2 C21H26N4O6S
    5-[2-(6,7-dimethoxy-5-methyl-4-oxo-1,4-dihydro-quinazolin-2-ylamino)-propyl]-2-methoxy-benzenesulfonainide
    —— 5-(2,6-dimethoxyphenyl)-3-methyl-1-((2-phenylthiazol-4-yl)methyl)pyrrolidin-2-one 1375094-39-5 C23H24N2O3S
    5-(2,6-dimethoxyphenyl)-3-methyl-1-((2-phenylthiazol-4-yl)methyl)pyrrolidin-2-one
    —— 5-propyl-1H-pyrrole-2-carboxylic acid 1505069-69-1 C8H11NO2
    5-propyl-1H-pyrrole-2-carboxylic acid
    —— 5-acetoxy-3-anilino-2-chloro-[1,4]naphthoquinone 75243-09-3 C18H12ClNO4
    5-acetoxy-3-anilino-2-chloro-[1,4]naphthoquinone
    —— (5-Methyl-2-methylsulfanyl-pyrazolo[1,5-a]pyridin-3-yl)-phenyl-methanone 100592-86-7 C16H14N2OS
    (5-Methyl-2-methylsulfanyl-pyrazolo[1,5-a]pyridin-3-yl)-phenyl-methanone
    —— 5-methoxy-3-(N-methyl-1,2,5,6-tetrahydro-pyridin-3-ylmethyl)-1-(cyclo-propyl-methyl)-indole 160418-89-3 C20H26N2O
    5-methoxy-3-(N-methyl-1,2,5,6-tetrahydro-pyridin-3-ylmethyl)-1-(cyclo-propyl-methyl)-indole
    —— (5R,7R)-7-amino-2-(3,5-difluoro-phenyl)-2-aza-spiro[4.5]decan-1-one 1296115-18-8 C15H18F2N2O
    (5R,7R)-7-amino-2-(3,5-difluoro-phenyl)-2-aza-spiro[4.5]decan-1-one
    —— 5-Phenyl-3-[2-(phenyl-hydrazono)-propyl]-3H-[1,3,4]oxadiazol-2-one 143703-70-2 C17H16N4O2
    5-Phenyl-3-[2-(phenyl-hydrazono)-propyl]-3H-[1,3,4]oxadiazol-2-one
    —— 5-[4-[[[[2,6 Bis(1-methylethyl)phenyl]amino]carbonyl]-amino]-2,5-dimethylphenoxy]-2,2-dimethylpentanoic acid, methyl ester 147686-67-7 C29H42N2O4
    5-[4-[[[[2,6 Bis(1-methylethyl)phenyl]amino]carbonyl]-amino]-2,5-dimethylphenoxy]-2,2-dimethylpentanoic acid, methyl ester
    —— 5-chloro-N2-(2-fluoro-5-methyl-4-(quinolin-3-yl)phenyl)-N4-(5-methyl-1H-pyrazol-3-yl)pyrimidine-2,4-diamine 1202388-39-3 C24H19ClFN7
    5-chloro-N2-(2-fluoro-5-methyl-4-(quinolin-3-yl)phenyl)-N4-(5-methyl-1H-pyrazol-3-yl)pyrimidine-2,4-diamine
    —— 5-diethylamino-barbituric acid 98427-58-8 C8H13N3O3
    5-diethylamino-barbituric acid
    —— 5-benzyl-6-oxo-2-thioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbaldehyde 21326-26-1 C12H10N2O2S
    5-benzyl-6-oxo-2-thioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbaldehyde
    —— 5,15-bis<β-(ethoxycarbonyl)vinyl>octaethylporphyrin 134078-03-8 C46H58N4O4
    5,15-bis<β-(ethoxycarbonyl)vinyl>octaethylporphyrin
    —— 5-hydroxymethyl-2-pyrrolidin-1-ylthiazoline 1033035-41-4 C8H14N2OS
    5-hydroxymethyl-2-pyrrolidin-1-ylthiazoline
    —— 5-[benzyl-(3-cyano-benzenesulfonyl)-amino]-2-fluoro-N-isopropyl-benzamide 1214250-90-4 C24H22FN3O3S
    5-[benzyl-(3-cyano-benzenesulfonyl)-amino]-2-fluoro-N-isopropyl-benzamide
    —— 5-Brom-3-thieno<2,3-d>isoxazolcarbonsaeureethylester 117366-83-3 C8H6BrNO3S
    5-Brom-3-thieno<2,3-d>isoxazolcarbonsaeureethylester
    —— (5-chloro-2-hydroxy-phenyl)-(2-phenyl-morpholin-4-yl)-methanone 912544-44-6 C17H16ClNO3
    (5-chloro-2-hydroxy-phenyl)-(2-phenyl-morpholin-4-yl)-methanone
    —— 5-[2-(p-Toluenesulfonyloxy)ethoxy]-7-chloro-1-(2-methoxy-4-aminobenzoyl)-2,3,4,5-tetrahydro-1H-benzoazepine 165309-74-0 C27H29ClN2O6S
    5-[2-(p-Toluenesulfonyloxy)ethoxy]-7-chloro-1-(2-methoxy-4-aminobenzoyl)-2,3,4,5-tetrahydro-1H-benzoazepine
    —— 5-acetyl-6-(3,5-dimethylphenylamino)-2-phenylpyrimidine-4(3H)-thione 1415973-30-6 C20H19N3OS
    5-acetyl-6-(3,5-dimethylphenylamino)-2-phenylpyrimidine-4(3H)-thione
    —— 5-amino-6-(1,3-benzothiazol-2-yl)-7-(3-hydroxypropyl)-2-phenyl[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile 1549537-63-4 C23H18N6OS
    5-amino-6-(1,3-benzothiazol-2-yl)-7-(3-hydroxypropyl)-2-phenyl[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile
    —— 5-Chloromethyl-2-propoxy-benzoic acid methyl ester 46687-77-8 C12H15ClO3
    5-Chloromethyl-2-propoxy-benzoic acid methyl ester
    —— 5-n-Octyl-2-oxazolidon 7721-46-2 C11H21NO2
    5-n-Octyl-2-oxazolidon
    —— 5-Phenyl-4-p-tolylthieno[3,2-b]pyridin-7(4H)-one 1428144-11-9 C20H15NOS
    5-Phenyl-4-p-tolylthieno[3,2-b]pyridin-7(4H)-one
    —— [5-Methoxy-2-(4-methoxy-phenyl)-1,3-dioxo-indan-2-yl]-(4-methoxy-phenyl)-acetic acid methyl ester 682356-51-0 C27H24O7
    [5-Methoxy-2-(4-methoxy-phenyl)-1,3-dioxo-indan-2-yl]-(4-methoxy-phenyl)-acetic acid methyl ester
    —— 5-[(3aR,4R,6R,7aR)-4-methylspiro[4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-2,1'-cyclohexane]-6-yl]-3-(benzenesulfonyl)-4-methoxy-3H-2-benzofuran-1-one 132040-95-0 C27H30O8S
    5-[(3aR,4R,6R,7aR)-4-methylspiro[4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-2,1'-cyclohexane]-6-yl]-3-(benzenesulfonyl)-4-methoxy-3H-2-benzofuran-1-one
    —— 5-bromo-N-methoxy-1H-pyrrole-2-carboxamide 890122-47-1 C6H7BrN2O2
    5-bromo-N-methoxy-1H-pyrrole-2-carboxamide