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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-acetoxymethyl-4,4-dimethyl-[1,3]dioxane 102541-10-6 C9H16O4
    5-acetoxymethyl-4,4-dimethyl-[1,3]dioxane
    —— 5-Amino-4-methoxy-2-methyl-benzoesaeure-methylester 55366-01-3 C10H13NO3
    5-Amino-4-methoxy-2-methyl-benzoesaeure-methylester
    —— 5-amino-3,4-dimethyl-N-[1-(2-phenylcyclopropanecarbonyl)pyrrolidin-3-yl]thieno[2,3-c]pyridazine-6-carboxamide 1451995-58-6 C23H25N5O2S
    5-amino-3,4-dimethyl-N-[1-(2-phenylcyclopropanecarbonyl)pyrrolidin-3-yl]thieno[2,3-c]pyridazine-6-carboxamide
    —— 5-(2,2-dimethylpropyl)-1,4-dimethyltetrazol-1-ium;methyl sulfate 107574-98-1 CH3O4S*C8H17N4
    5-(2,2-dimethylpropyl)-1,4-dimethyltetrazol-1-ium;methyl sulfate
    —— 5-hydroxy-3',3'-dimethylspiro(3H-naphto<2,1-b>pyran-3,1'-<2>oxaindan) 117930-03-7 C22H18O3
    5-hydroxy-3',3'-dimethylspiro(3H-naphto<2,1-b>pyran-3,1'-<2>oxaindan)
    —— 5-<γ-(1-Ethyl-1,2,3-triazolyl-(4))-allyliden)-thiobarbitursaeure 16380-32-8 C11H11N5O2S
    5-<γ-(1-Ethyl-1,2,3-triazolyl-(4))-allyliden)-thiobarbitursaeure
    —— 5-Nitro-<2>thienylglyoxal-oxim 5194-62-7 C6H4N2O4S
    5-Nitro-<2>thienylglyoxal-oxim
    —— 5,5-Pentamethylen-4-<prop-2-in-yliden>-1,3-dioxolan 3357-85-5 C11H14O2
    5,5-Pentamethylen-4-<prop-2-in-yliden>-1,3-dioxolan
    —— 5-Oxo-3,5-seco-A-norcholestan-3-saeure-p-toluolsulfonylhydrazon 7674-65-9 C33H52N2O4S
    5-Oxo-3,5-seco-A-norcholestan-3-saeure-p-toluolsulfonylhydrazon
    —— 5-[4-(benzothiazol-2-yl)-3-methoxyphenyl]-4-isopropyl-3,3-dimethyl-2,3-dihydrofuran 1225266-02-3 C23H25NO2S
    5-[4-(benzothiazol-2-yl)-3-methoxyphenyl]-4-isopropyl-3,3-dimethyl-2,3-dihydrofuran
    —— 5-O-Trityl-2,3,-anhydrothymidine 25442-42-6 C29H26N2O4
    5-O-Trityl-2,3,-anhydrothymidine
    —— 5-(phenylselanylsulfanylmethyl)cycloheptene 75526-66-8 C14H18SSe
    5-(phenylselanylsulfanylmethyl)cycloheptene
    —— 5-Acetoxy-4-brom-7-methoxy-phthalid 3465-67-6 C11H9BrO5
    5-Acetoxy-4-brom-7-methoxy-phthalid
    —— 5-Oxo-2,3-diphenylcyclopentancarbonsaeure-2-octylester 10498-77-8 C26H32O3
    5-Oxo-2,3-diphenylcyclopentancarbonsaeure-2-octylester
    —— 5-<Butin-(2)-on-(1)-yl>-1,3-diphenyl-pyrazol 15409-43-5 C19H14N2O
    5-<Butin-(2)-on-(1)-yl>-1,3-diphenyl-pyrazol
    —— 5.6-Diphenyl-4H-(1.2.4)-triazin-3-on-2-oxid 13162-99-7 C15H11N3O2
    5.6-Diphenyl-4H-(1.2.4)-triazin-3-on-2-oxid
    —— 5'-Formyl-3,3'-diethyl-4,4'-dimethyl-2,2'-bipyrrol-5-carbonsaeure 1035-85-4 C16H20N2O3
    5'-Formyl-3,3'-diethyl-4,4'-dimethyl-2,2'-bipyrrol-5-carbonsaeure
    —— 5-(2-Cyan-2-ethoxycarbonyl-vinylamino)-1,3-dimethyl-uracil 16952-88-8 C12H14N4O4
    5-(2-Cyan-2-ethoxycarbonyl-vinylamino)-1,3-dimethyl-uracil
    —— 5,6-Dihydro-6,6-diphenyl-naphtho<2',3':2,3>pyran-4-on 5234-32-2 C25H18O2
    5,6-Dihydro-6,6-diphenyl-naphtho<2',3':2,3>pyran-4-on
    —— 5,6,7-trideoxy-2,3-O-isopropylidene-L-ribo-hept-6-enofuranose 726203-42-5 C10H16O4
    5,6,7-trideoxy-2,3-O-isopropylidene-L-ribo-hept-6-enofuranose
    —— 5-Methyl-2-thioxo-[1,3,4]thiadiazole-3-carboxylic acid allyl ester 127867-49-6 C7H8N2O2S2
    5-Methyl-2-thioxo-[1,3,4]thiadiazole-3-carboxylic acid allyl ester
    —— 5,7-dimethoxy-2-(4-methoxy-phenyl)-4-oxo-4H-chromene-8-carbaldehyde 94306-05-5 C19H16O6
    5,7-dimethoxy-2-(4-methoxy-phenyl)-4-oxo-4H-chromene-8-carbaldehyde
    —— 5-(1,3-dioxolan-2-yl)-2-furanylzinc bromide 1276045-68-1 C7H7BrO3Zn
    5-(1,3-dioxolan-2-yl)-2-furanylzinc bromide
    —— 5-cyclopropyl-1-ethyl-9-methylpyrazolo[5,1-a]isoquinoline 1262639-37-1 C17H18N2
    5-cyclopropyl-1-ethyl-9-methylpyrazolo[5,1-a]isoquinoline
    —— 5,6-dihydro-6-methyl-uracil-6-yl 63221-83-0 C5H7N2O2
    5,6-dihydro-6-methyl-uracil-6-yl
    —— 5-acetyl-N-[3-(dimethylamino)-2,2-dimethylpropyl]-2-thiophenecarboxamide 925920-46-3 C14H22N2O2S
    5-acetyl-N-[3-(dimethylamino)-2,2-dimethylpropyl]-2-thiophenecarboxamide
    —— (5Z,7E,22E)-(1S,3R,20S,24R)-25-(5-ethylthiazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 198762-42-4 C32H45NO3S
    (5Z,7E,22E)-(1S,3R,20S,24R)-25-(5-ethylthiazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5-chloro-4-(6-iodoindolin-1-yl)pyrimidin-2-amine 1202764-88-2 C12H10ClIN4
    5-chloro-4-(6-iodoindolin-1-yl)pyrimidin-2-amine
    —— 5-(4-chlorobenzyl)pyrimidin-4(3H)-one 1009375-56-7 C11H9ClN2O
    5-(4-chlorobenzyl)pyrimidin-4(3H)-one
    —— 5-tert-butyl 2-ethyl 6,6-dimethyl-3-[(tetrahydrofuran-2-ylcarbonyl)amino]pyrrolo[3,4-c]pyrazole-2,5(4H,6H)-dicarboxylate 1041015-75-1 C20H30N4O6
    5-tert-butyl 2-ethyl 6,6-dimethyl-3-[(tetrahydrofuran-2-ylcarbonyl)amino]pyrrolo[3,4-c]pyrazole-2,5(4H,6H)-dicarboxylate
    —— 5-acetoxy-pyrimidine-2,4,6-trione 2-thiosemicarbazone 40623-24-3 C7H9N5O4S
    5-acetoxy-pyrimidine-2,4,6-trione 2-thiosemicarbazone
    —— 5-Chloro-1-(4-fluorophenyl)-3-[3-(4-piperidinyl)propyl]-1H-indole hydrochloride 170231-57-9 C22H24ClFN2*ClH
    5-Chloro-1-(4-fluorophenyl)-3-[3-(4-piperidinyl)propyl]-1H-indole hydrochloride
    —— 5-Methoxy-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylic acid 179115-12-9 C13H14O5
    5-Methoxy-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylic acid
    —— 5-Vinylbenzo-2,1,3-thiadiazol 24785-94-2 C8H6N2S
    5-Vinylbenzo-2,1,3-thiadiazol
    —— 5-amino-3-(1,4-benzodioxan-6-yl)amino-1-(4-isopropylphenyl)carbonyl-1H-1,2,4-triazole 929263-02-5 C20H21N5O3
    5-amino-3-(1,4-benzodioxan-6-yl)amino-1-(4-isopropylphenyl)carbonyl-1H-1,2,4-triazole
    —— 5-(2-methoxy-phenyl)-2-methyl-oxazole-4-carboxylic acid [1-(5-acetyl-furan-2-ylmethyl)-1H-pyrazol-4-yl]-amide 1163257-66-6 C22H20N4O5
    5-(2-methoxy-phenyl)-2-methyl-oxazole-4-carboxylic acid [1-(5-acetyl-furan-2-ylmethyl)-1H-pyrazol-4-yl]-amide
    —— 5-amino-3-(4-(2-dimethylaminoethoxy)phenylamino)-1-(4-dimethylaminophenyl)carbonyl-1H-1,2,4-triazole 929261-99-4 C21H27N7O2
    5-amino-3-(4-(2-dimethylaminoethoxy)phenylamino)-1-(4-dimethylaminophenyl)carbonyl-1H-1,2,4-triazole
    —— 5-Chlor-2-<N-(3-dimethylaminopropyl)-p-toluolsulfonylamino>-benzophenon 20418-09-1 C25H27ClN2O3S
    5-Chlor-2-<N-(3-dimethylaminopropyl)-p-toluolsulfonylamino>-benzophenon
    —— 5-(4-(tert-butyl)phenyl)-1-phenyl-3-(p-tolyl)-1H-pyrazole 1429125-51-8 C26H26N2
    5-(4-(tert-butyl)phenyl)-1-phenyl-3-(p-tolyl)-1H-pyrazole
    —— 5-(12-methoxy-14-methyl-14<i>H</i>-dibenzo[<i>a</i>,<i>c</i>]phenazin-3-ylidene)-3-methyl-2-thioxo-thiazolidin-4-one 51039-33-9 C26H19N3O2S2
    5-(12-methoxy-14-methyl-14<i>H</i>-dibenzo[<i>a</i>,<i>c</i>]phenazin-3-ylidene)-3-methyl-2-thioxo-thiazolidin-4-one
    —— 5,5'-bis-ethanesulfonyl-4,4'-diphenyl-4<i>H</i>,4'<i>H</i>-3,3'-(3-methyl-but-1-ene-1,1-diyl)-bis-[1,2,4]triazole 72744-02-6 C25H28N6O4S2
    5,5'-bis-ethanesulfonyl-4,4'-diphenyl-4<i>H</i>,4'<i>H</i>-3,3'-(3-methyl-but-1-ene-1,1-diyl)-bis-[1,2,4]triazole
    —— 5-[2-(4-dimethylamino-phenyl)-chromen-4-ylidene]-3-methyl-2-thioxo-thiazolidin-4-one 113134-60-4 C21H18N2O2S2
    5-[2-(4-dimethylamino-phenyl)-chromen-4-ylidene]-3-methyl-2-thioxo-thiazolidin-4-one
    —— 5-Heptyl-7-hydroxy-8-methyl-2-oxo-2H-chromene-3-carboxylic acid benzyl ester 251361-36-1 C25H28O5
    5-Heptyl-7-hydroxy-8-methyl-2-oxo-2H-chromene-3-carboxylic acid benzyl ester
    —— 5-phenyl-3-thiophen-2-yl-4,5-dihydro-pyrazole-1-carboxylic acid ethylamide 37868-91-0 C16H17N3OS
    5-phenyl-3-thiophen-2-yl-4,5-dihydro-pyrazole-1-carboxylic acid ethylamide
    —— (5-Amino-3,4-dimethylthieno[2,3-c]pyridazin-6-yl)-[3-methoxy-3-(2-methoxyphenyl)azetidin-1-yl]methanone 1451996-06-7 C20H22N4O3S
    (5-Amino-3,4-dimethylthieno[2,3-c]pyridazin-6-yl)-[3-methoxy-3-(2-methoxyphenyl)azetidin-1-yl]methanone
    —— 5-Benzylamino-6-carboxy-3-phenyl-1,2-benzisothiazol-1,1-dioxid 36246-12-5 C21H16N2O4S
    5-Benzylamino-6-carboxy-3-phenyl-1,2-benzisothiazol-1,1-dioxid
    —— 5-[5-isopropyl-2,4-bis(methoxymethoxy)pheny]-4-[4-(morpholin-4-yl)-phenyl]-2,3-dihydro-4H-[1,2,4]triazol-3-one 909871-46-1 C25H32N4O6
    5-[5-isopropyl-2,4-bis(methoxymethoxy)pheny]-4-[4-(morpholin-4-yl)-phenyl]-2,3-dihydro-4H-[1,2,4]triazol-3-one
    —— 5-[3-(4-chloro-1,3-benzoxazol-2-yl)-4-methylphenyl]-2-(4-fluorophenyl)-N-methyl-6-[methyl(methylsulfonyl)amino]-1-benzofuran-3-carboxamide 1333335-72-0 C32H25ClFN3O5S
    5-[3-(4-chloro-1,3-benzoxazol-2-yl)-4-methylphenyl]-2-(4-fluorophenyl)-N-methyl-6-[methyl(methylsulfonyl)amino]-1-benzofuran-3-carboxamide
    —— 5-n-Butyl-1,3-dimethylpyrazol 40014-72-0 C9H16N2
    5-n-Butyl-1,3-dimethylpyrazol
    —— 5-Octyl-4-phenyl-3H-[1,3]oxazine-2,6-dione 108472-05-5 C18H23NO3
    5-Octyl-4-phenyl-3H-[1,3]oxazine-2,6-dione