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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-bis-heptafluoropropyl-3,3'-(1,1,2,2,3,3,4,4-octafluoro-butane-1,4-diyl)-bis-[1,2,4]oxadiazole 7170-10-7 C14F22N4O2
    5,5'-bis-heptafluoropropyl-3,3'-(1,1,2,2,3,3,4,4-octafluoro-butane-1,4-diyl)-bis-[1,2,4]oxadiazole
    —— 5-oxo-6-(pent-4-en-1-yl)-5,6-dihydro-2H-pyran-2-yl 4-(methylthio)benzoate 1331830-91-1 C18H20O4S
    5-oxo-6-(pent-4-en-1-yl)-5,6-dihydro-2H-pyran-2-yl 4-(methylthio)benzoate
    —— 5-chloromethyl-4-(ethoxycarbonyl-acetyl)-3-methyl-pyrrole-2-carboxylic acid ethyl ester 52649-11-3 C14H18ClNO5
    5-chloromethyl-4-(ethoxycarbonyl-acetyl)-3-methyl-pyrrole-2-carboxylic acid ethyl ester
    —— 5-Bromo-3-phenyl-2-p-tolyl-benzofuran 55082-70-7 C21H15BrO
    5-Bromo-3-phenyl-2-p-tolyl-benzofuran
    —— 5-allyl-2-pyrrolidin-1-yl-1<i>H</i>-pyrimidine-4,6-dione 50596-78-6 C11H15N3O2
    5-allyl-2-pyrrolidin-1-yl-1<i>H</i>-pyrimidine-4,6-dione
    —— 5-((2,5-dimethylphenyl)imino)-4-(p-tolyl)-4,5-dihydro-1,2,4-thiadiazol-3-amine 1246286-68-9 C17H18N4S
    5-((2,5-dimethylphenyl)imino)-4-(p-tolyl)-4,5-dihydro-1,2,4-thiadiazol-3-amine
    —— 5-(trans-2-methoxy-vinyl)-isothiazole 73140-65-5 C6H7NOS
    5-(trans-2-methoxy-vinyl)-isothiazole
    —— 5-biphenyl-4-yl-1',5'-dimethyl-2-phenyl-3,4-dihydro-2<i>H</i>,1'<i>H</i>-[3,4']bipyrazolyl 52773-19-0 C26H24N4
    5-biphenyl-4-yl-1',5'-dimethyl-2-phenyl-3,4-dihydro-2<i>H</i>,1'<i>H</i>-[3,4']bipyrazolyl
    —— 5-Isopropylidene-2-phenyl-5a,5b-dihydro-5H-cyclopropa[cd]indene-2a,2b-dicarboxylic acid dimethyl ester 31996-59-5 C22H22O4
    5-Isopropylidene-2-phenyl-5a,5b-dihydro-5H-cyclopropa[cd]indene-2a,2b-dicarboxylic acid dimethyl ester
    —— 5-Acetyl-2-thioxo-1,3,5,6,7,8-hexahydroimidazo<4,5-g>quinolin 49572-26-1 C12H13N3OS
    5-Acetyl-2-thioxo-1,3,5,6,7,8-hexahydroimidazo<4,5-g>quinolin
    —— 5-(2-Phenyl-thiazol-4-yl)-[1,3,4]thiadiazol-2-ylamine 53002-72-5 C11H8N4S2
    5-(2-Phenyl-thiazol-4-yl)-[1,3,4]thiadiazol-2-ylamine
    —— 5,8-diethyl-6a,6b-dimethyl-hexahydro-3a,5,8,9a-tetraaza-cyclohepta[<i>def</i>]biphenylene-4,6,7,9-tetraone 55265-61-7 C17H24N4O4
    5,8-diethyl-6a,6b-dimethyl-hexahydro-3a,5,8,9a-tetraaza-cyclohepta[<i>def</i>]biphenylene-4,6,7,9-tetraone
    —— 5-(4-Nitrophenyl)-4-(4-nitrophenylamino)-3-phenyl-1,2,4-triazol 55134-97-9 C20H14N6O4
    5-(4-Nitrophenyl)-4-(4-nitrophenylamino)-3-phenyl-1,2,4-triazol
    —— 5-hydroxy-3-methoxy-8,8-dimethyl-2-phenyl-8<i>H</i>-pyrano[3,2-<i>g</i>]chromen-4-one 40603-81-4 C21H18O5
    5-hydroxy-3-methoxy-8,8-dimethyl-2-phenyl-8<i>H</i>-pyrano[3,2-<i>g</i>]chromen-4-one
    —— 5-α-Naphthyl-2.6-dimethoxy-4-oxo-4.5-dihydro-1.3.5-triazin 53015-99-9 C15H13N3O3
    5-α-Naphthyl-2.6-dimethoxy-4-oxo-4.5-dihydro-1.3.5-triazin
    —— 5-methyl-2-(1-methyl-2-phenyl-ethylamino)-3<i>H</i>-pyrimidin-4-one 57465-68-6 C14H17N3O
    5-methyl-2-(1-methyl-2-phenyl-ethylamino)-3<i>H</i>-pyrimidin-4-one
    —— 5-(1-Methyl-1H-pyrrolo[3,2-c]pyridin-3-yl)-pentanoic acid; compound with iodine 53336-17-7 C13H16N2O2*I2
    5-(1-Methyl-1H-pyrrolo[3,2-c]pyridin-3-yl)-pentanoic acid; compound with iodine
    —— 5,5-diallyl-1,3-bis-indol-3-ylmethyl-pyrimidine-2,4,6-trione 60336-17-6 C28H26N4O3
    5,5-diallyl-1,3-bis-indol-3-ylmethyl-pyrimidine-2,4,6-trione
    —— 5,7,12,14-Tetrakis-(phenylethinyl)-pentacen 18826-38-5 C54H30
    5,7,12,14-Tetrakis-(phenylethinyl)-pentacen
    —— 5-(phenylmethyl)-1,2,3-thiadiazole-4-thiol, sodium salt 114393-82-7 C9H7N2S2*Na
    5-(phenylmethyl)-1,2,3-thiadiazole-4-thiol, sodium salt
    —— 5,6-dihydro-7-phenyl-14-oxonianaphtho<1,2-k>-fluoranthene trifluoromethanesulphonate 85973-43-9 CF3O3S*C29H19O
    5,6-dihydro-7-phenyl-14-oxonianaphtho<1,2-k>-fluoranthene trifluoromethanesulphonate
    —— (5-(4-nitrophenyl)-3-phenyl-1,3,4-oxadiazol-2(3H)-ylidene)sulfamoyl chloride 85093-08-9 C14H9ClN4O5S
    (5-(4-nitrophenyl)-3-phenyl-1,3,4-oxadiazol-2(3H)-ylidene)sulfamoyl chloride
    —— 5'-acetyl-6-methoxy-4-phenyl-2',6'-dimethyl[2,3'-bipyridine]-5-carbonitrile 1190616-55-7 C22H19N3O2
    5'-acetyl-6-methoxy-4-phenyl-2',6'-dimethyl[2,3'-bipyridine]-5-carbonitrile
    —— 5-acetamido-2-phenyl-5,6,7,8-tetrahydro-5-quinolinecarboxylic acid 59839-13-3 C18H18N2O3
    5-acetamido-2-phenyl-5,6,7,8-tetrahydro-5-quinolinecarboxylic acid
    —— 5-[4-(1H-benzoimidazole-5-carbonyl)-piperazin-1-yl]-4-chloro-benzofuran-2-carboxylic acid 1192171-24-6 C21H17ClN4O4
    5-[4-(1H-benzoimidazole-5-carbonyl)-piperazin-1-yl]-4-chloro-benzofuran-2-carboxylic acid
    —— 5-n-Propyl-5-(4-pyridylmethyl)hydantoin 42768-34-3 C12H15N3O2
    5-n-Propyl-5-(4-pyridylmethyl)hydantoin
    —— (5-{[(3-ethoxycarbonylsulfanyl-2-methyl-tetrahydro-furan-2-yl)-formyl-amino]-methyl}-2-methyl-pyrimidin-4-yl)-carbamic acid ethyl ester 42784-99-6 C18H26N4O6S
    (5-{[(3-ethoxycarbonylsulfanyl-2-methyl-tetrahydro-furan-2-yl)-formyl-amino]-methyl}-2-methyl-pyrimidin-4-yl)-carbamic acid ethyl ester
    —— 5-hydroxy-7-methyl-4-pyridin-2-yl-chromen-2-one 52604-29-2 C15H11NO3
    5-hydroxy-7-methyl-4-pyridin-2-yl-chromen-2-one
    —— 5,5-dimethyl-2-(1'-methylindol-3'-yl)-4-phenyl-1-pyrroline 1-oxide 140472-59-9 C21H22N2O
    5,5-dimethyl-2-(1'-methylindol-3'-yl)-4-phenyl-1-pyrroline 1-oxide
    —— 5"-fluoro-4-hydroxy-5'-(trifluoromethyl)-2"-vinyl-[1,1':2',1''-terphenyl]-3'-carbonitrile 1422022-39-6 C22H13F4NO
    5"-fluoro-4-hydroxy-5'-(trifluoromethyl)-2"-vinyl-[1,1':2',1''-terphenyl]-3'-carbonitrile
    —— 5-ethyl-3-methyl-1-(4-nitro-benzyl)-5-phenyl-imidazolidine-2,4-dione 51323-59-2 C19H19N3O4
    5-ethyl-3-methyl-1-(4-nitro-benzyl)-5-phenyl-imidazolidine-2,4-dione
    —— 5-Chloro-2-(4-{(E)-2-[4-((E)-styryl)-phenyl]-vinyl}-phenyl)-benzo[b]thiophene 53349-35-2 C30H21ClS
    5-Chloro-2-(4-{(E)-2-[4-((E)-styryl)-phenyl]-vinyl}-phenyl)-benzo[b]thiophene
    —— 5α-Cholest-8(14)-en-3β-yl-tridecanoat 53962-97-3 C40H70O2
    5α-Cholest-8(14)-en-3β-yl-tridecanoat
    —— [5-Methoxy-4-methyl-2-(toluene-4-sulfonylamino)-phenyl]-acetic acid methyl ester 56473-83-7 C18H21NO5S
    [5-Methoxy-4-methyl-2-(toluene-4-sulfonylamino)-phenyl]-acetic acid methyl ester
    —— 5-(N'-Benzoylthiocarbamoyl)amino-1-β-D-ribofuranosylimidazol-4-N-benzyloxycarboxamid 40519-36-6 C24H25N5O7S
    5-(N'-Benzoylthiocarbamoyl)amino-1-β-D-ribofuranosylimidazol-4-N-benzyloxycarboxamid
    —— 5-(4-methoxybenzyl)-N,N-dimethyl-2H-tetrazole-2-carboxamide 1188419-19-3 C12H15N5O2
    5-(4-methoxybenzyl)-N,N-dimethyl-2H-tetrazole-2-carboxamide
    —— 5-bromothiophene-2-sulfonic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-2-fluorophenyl]amide 1192298-31-9 C21H16BrFN2O5S2
    5-bromothiophene-2-sulfonic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-2-fluorophenyl]amide
    —— (5,5'-di-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(diphenylphosphane) 1379680-59-7 C44H44O2P2
    (5,5'-di-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(diphenylphosphane)
    —— 5-(2-amino-4-methyl-pyrimidin-5-yl)-2-fluoro-N-(2-methoxy-ethyl)-N-methyl-benzenesulfonamide 1106312-68-8 C15H19FN4O3S
    5-(2-amino-4-methyl-pyrimidin-5-yl)-2-fluoro-N-(2-methoxy-ethyl)-N-methyl-benzenesulfonamide
    —— 5,7-dimethoxy-6-(methoxymethoxy)-2-phenylchromen-4-one 170234-84-1 C19H18O6
    5,7-dimethoxy-6-(methoxymethoxy)-2-phenylchromen-4-one
    —— 5,5'-diphenyl-(3ar,6ac,3'ar',6'ac')-3a,6a,3'a,6'a-tetrahydro-3,3'-p-phenylene-bis-pyrrolo[3,4-d]isoxazole-4,6-dione 21154-72-3 C28H18N4O6
    5,5'-diphenyl-(3ar,6ac,3'ar',6'ac')-3a,6a,3'a,6'a-tetrahydro-3,3'-p-phenylene-bis-pyrrolo[3,4-d]isoxazole-4,6-dione
    —— 5'-phospho-2'-deoxycytidylyl(3'-5')-3'-O-<N-(carbobenzyloxy)phenylalanyl>adenosine 132018-92-9 C36H41N9O16P2
    5'-phospho-2'-deoxycytidylyl(3'-5')-3'-O-<N-(carbobenzyloxy)phenylalanyl>adenosine
    —— 5-{(1E)-4-[(3R)-3-hydroxypiperidin-1-yl]but-1-en-1-yl}-4-[(4-methyl-1H-indol-5-yl)amino]nicotinonitrile 1160916-96-0 C24H27N5O
    5-{(1E)-4-[(3R)-3-hydroxypiperidin-1-yl]but-1-en-1-yl}-4-[(4-methyl-1H-indol-5-yl)amino]nicotinonitrile
    —— 5-(6-hydroxyamino-purin-9-yl)-3-hydroxymethyl-cyclopentane-1,2-diol 58342-71-5 C11H15N5O4
    5-(6-hydroxyamino-purin-9-yl)-3-hydroxymethyl-cyclopentane-1,2-diol
    —— 5-methyl-7-oxo-4,7-dihydro-[1,2,3]triazolo[1,5-<i>a</i>]pyrimidine-3-carboxylic acid amide 25476-70-4 C7H7N5O2
    5-methyl-7-oxo-4,7-dihydro-[1,2,3]triazolo[1,5-<i>a</i>]pyrimidine-3-carboxylic acid amide
    —— 5-({[2-chloro-4-(trifluoromethyl)phenyl]oxy}methyl)-1,3,4-thiadiazol-2-amine 1052695-70-1 C10H7ClF3N3OS
    5-({[2-chloro-4-(trifluoromethyl)phenyl]oxy}methyl)-1,3,4-thiadiazol-2-amine
    —— 5,7-diacetyl-6-hydroxy-3-methyl-2-nitro-benzofuran 50382-83-7 C13H11NO6
    5,7-diacetyl-6-hydroxy-3-methyl-2-nitro-benzofuran
    —— 5-methyl-3,4-dihydro-2<i>H</i>-pyran-4-carboxylic acid <i>tert</i>-butyl ester 38858-65-0 C11H18O3
    5-methyl-3,4-dihydro-2<i>H</i>-pyran-4-carboxylic acid <i>tert</i>-butyl ester
    —— 5-(6-Fluoro-1H-benzimidazol-2-yl)-2-methylbenzenamine 1183825-72-0 C14H12FN3
    5-(6-Fluoro-1H-benzimidazol-2-yl)-2-methylbenzenamine
    —— 5-(1(S)-amino-2-hydroxyethyl)-N-[(2,4-difluorophenyl)-methyl]-2-[8-methoxy-2-(trifluoromethyl)-5-quinoline]-4-oxazolecarboxamide tosylate 1006877-24-2 C7H8O3S*C24H19F5N4O4
    5-(1(S)-amino-2-hydroxyethyl)-N-[(2,4-difluorophenyl)-methyl]-2-[8-methoxy-2-(trifluoromethyl)-5-quinoline]-4-oxazolecarboxamide tosylate