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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Methylaminomethyl-5,6,7,8-tetrahydro-naphthalene-2,3-diol; hydrobromide 84854-62-6 BrH*C12H17NO2
    5-Methylaminomethyl-5,6,7,8-tetrahydro-naphthalene-2,3-diol; hydrobromide
    —— 5-[1-Piperidin-1-yl-meth-(E)-ylidene]-6,7-dihydro-5H-benzofuran-4-one 84661-75-6 C14H17NO2
    5-[1-Piperidin-1-yl-meth-(E)-ylidene]-6,7-dihydro-5H-benzofuran-4-one
    —— 5-Hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 104312-64-3 C12H13N3O5
    5-Hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester
    —— 5-(2-Amino-6-prop-2-enylsulfanylpurin-9-yl)-2-(hydroxymethyl)oxolan-3-ol 61552-38-3 C13H17N5O3S
    5-(2-Amino-6-prop-2-enylsulfanylpurin-9-yl)-2-(hydroxymethyl)oxolan-3-ol
    —— 5-tetradecylthio-2-thiophenecarboxylic acid 62039-61-6 C19H32O2S2
    5-tetradecylthio-2-thiophenecarboxylic acid
    —— [5-Amino-3-methyl-6-oxo-4-(5-phenyl-2H-pyrazol-3-yl)-6H-pyridazin-1-yl]-acetic acid methyl ester 910315-92-3 C17H17N5O3
    [5-Amino-3-methyl-6-oxo-4-(5-phenyl-2H-pyrazol-3-yl)-6H-pyridazin-1-yl]-acetic acid methyl ester
    —— 5-(dimethylamino)-N,N-dimethylhex-2-enamide 1119825-11-4 C10H20N2O
    5-(dimethylamino)-N,N-dimethylhex-2-enamide
    —— (5R,6R)-5-[(2S,3R,4S)-3-[tert-butyl(dimethyl)silyl]oxy-4-methylhexan-2-yl]-3-methoxy-6-nitrocyclohex-2-en-1-one 1255326-87-4 C20H37NO5Si
    (5R,6R)-5-[(2S,3R,4S)-3-[tert-butyl(dimethyl)silyl]oxy-4-methylhexan-2-yl]-3-methoxy-6-nitrocyclohex-2-en-1-one
    —— 5-bromo-2',3',5'-tri-O-(tetrahydro-2-pyranyl)uridine 90289-24-0 C24H35BrN2O9
    5-bromo-2',3',5'-tri-O-(tetrahydro-2-pyranyl)uridine
    —— 5-(Carboxymethylamino)-5-oxo-4-(phenylmethoxycarbonylamino)pentanoic acid 1634-89-5 C15H18N2O7
    5-(Carboxymethylamino)-5-oxo-4-(phenylmethoxycarbonylamino)pentanoic acid
    —— 5-(Dimethylamino)-3,4-dihydro-4-methyl-2-oxo-4-(propen-2-yl)-2H-imidazolium-trifluoroacetamidat 128945-25-5 C11H15F3N4O2
    5-(Dimethylamino)-3,4-dihydro-4-methyl-2-oxo-4-(propen-2-yl)-2H-imidazolium-trifluoroacetamidat
    —— 5'-(Dimethylamino)-3',4'-dihydro-2'-oxospiro<cyclopentan-1,4'-<2H>imidazolium>-trifluoroacetamidat 128945-27-7 C11H15F3N4O2
    5'-(Dimethylamino)-3',4'-dihydro-2'-oxospiro<cyclopentan-1,4'-<2H>imidazolium>-trifluoroacetamidat
    —— 5-<<-2-<1-(benzenesulfonyl)indolyl>>methylidene>-2,2-dimethyl-1,3-dioxane-4,6-dione 143618-90-0 C21H17NO6S
    5-<<-2-<1-(benzenesulfonyl)indolyl>>methylidene>-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-[4-(2-phthalimidooxyethoxy)-benzyl]thiazolidine-2,4-dione 178055-17-9 C20H16N2O6S
    5-[4-(2-phthalimidooxyethoxy)-benzyl]thiazolidine-2,4-dione
    —— 5-[(4-Fluorophenyl)methyl]-11-[(4-methoxyphenyl)methyl]-3,5,7,9,11,13-hexazatricyclo[8.3.0.02,6]trideca-1(10),2,6,8,12-pentaen-4-one 1261167-91-2 C22H17FN6O2
    5-[(4-Fluorophenyl)methyl]-11-[(4-methoxyphenyl)methyl]-3,5,7,9,11,13-hexazatricyclo[8.3.0.02,6]trideca-1(10),2,6,8,12-pentaen-4-one
    —— 5-ethoxy-4-methyl-2-(2,4-dimethyl-thien-3-yl-sulphonylaminocarbonyl)-2,4-dihydro-3H-1,2,4-triazol-3-one 208775-10-4 C12H16N4O5S2
    5-ethoxy-4-methyl-2-(2,4-dimethyl-thien-3-yl-sulphonylaminocarbonyl)-2,4-dihydro-3H-1,2,4-triazol-3-one
    —— 5-chloro-2,4-dihydro-4-(2-methoxy-6-methylphenyl)-2-methyl-3H-1,2,4-triazol-3-one 186981-90-8 C11H12ClN3O2
    5-chloro-2,4-dihydro-4-(2-methoxy-6-methylphenyl)-2-methyl-3H-1,2,4-triazol-3-one
    —— 5-(biphenyl-4-yl)-4-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol 374890-00-3 C20H14FN3S
    5-(biphenyl-4-yl)-4-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol
    —— 5-(3-biphenyl-4-yl-5-ethyl-4H-1,2,4-triazol-4-yl)isoquinoline 2-oxide 1348465-81-5 C25H20N4O
    5-(3-biphenyl-4-yl-5-ethyl-4H-1,2,4-triazol-4-yl)isoquinoline 2-oxide
    —— 5-(3-biphenyl-4-yl-5-ethyl-4H-1,2,4-triazol-4-yl)1,2,3,4-tetrahydroisoquinoline 1347944-10-8 C25H24N4
    5-(3-biphenyl-4-yl-5-ethyl-4H-1,2,4-triazol-4-yl)1,2,3,4-tetrahydroisoquinoline
    —— 5,5-bis-dodecyloxymethyl-[1,3]dithiane 552315-69-2 C30H60O2S2
    5,5-bis-dodecyloxymethyl-[1,3]dithiane
    —— 5-[4-(2-phthalimidooxyethoxy)benzyl]-3-tritylthiazolidine-2,4-dione 178055-16-8 C39H30N2O6S
    5-[4-(2-phthalimidooxyethoxy)benzyl]-3-tritylthiazolidine-2,4-dione
    —— 5-Brom-2-cyclohexylamino-3-phenylindenon 69953-17-9 C21H20BrNO
    5-Brom-2-cyclohexylamino-3-phenylindenon
    —— 5,6-dibromo-1,1,2,3,3-pentafluoro-1-hexene 172951-70-1 C6H5Br2F5
    5,6-dibromo-1,1,2,3,3-pentafluoro-1-hexene
    —— 5-methyl-5-(3-hydroxypropyl)-2-pyrrolidinone 122746-25-2 C8H15NO2
    5-methyl-5-(3-hydroxypropyl)-2-pyrrolidinone
    —— (5S,6S)-6-{(4R,5S,6S)-5-(4-Methoxy-benzyloxy)-6-[(R)-3-(4-methoxy-benzyloxy)-1-methyl-propyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-5-methyl-hept-1-en-4-one 201667-93-8 C34H48O7
    (5S,6S)-6-{(4R,5S,6S)-5-(4-Methoxy-benzyloxy)-6-[(R)-3-(4-methoxy-benzyloxy)-1-methyl-propyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-5-methyl-hept-1-en-4-one
    —— 5-n-Butyl-4-nitropyridin-2-carbonsaeure 83889-28-5 C10H12N2O4
    5-n-Butyl-4-nitropyridin-2-carbonsaeure
    —— 5-Methoxy-3-ethyl-2-methylen-benzthiazolin 35745-96-1 C11H13NOS
    5-Methoxy-3-ethyl-2-methylen-benzthiazolin
    —— 5-(Ethylsulfanylmethyl)-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-ol 77735-29-6 C10H18O4S
    5-(Ethylsulfanylmethyl)-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-ol
    —— 5-Hydroperoxy-2-oxo-4,5-diphenyl-2,5-dihydro-furan-3-carboxylic acid ethyl ester 136579-83-4 C19H16O6
    5-Hydroperoxy-2-oxo-4,5-diphenyl-2,5-dihydro-furan-3-carboxylic acid ethyl ester
    —— 5-O-(3-chlorobenzoyl)-2,3-O-isopropylidene-β-L-allofuranurano-6,1-lactone 123155-50-0 C16H15ClO7
    5-O-(3-chlorobenzoyl)-2,3-O-isopropylidene-β-L-allofuranurano-6,1-lactone
    —— (5S)-(+)-3-Chloro-4-phenyl-5-tridecyl-2(5H)-furanone 152499-89-3 C23H33ClO2
    (5S)-(+)-3-Chloro-4-phenyl-5-tridecyl-2(5H)-furanone
    —— 5,5'-(Phenylmethylen)-bis(2,2-dimethyl-1,3-dioxan-4,6-dion) 66788-66-7 C19H20O8
    5,5'-(Phenylmethylen)-bis(2,2-dimethyl-1,3-dioxan-4,6-dion)
    —— 5-oxo-2,2,4-trichlorocapronitrile 98775-60-1 C6H6Cl3NO
    5-oxo-2,2,4-trichlorocapronitrile
    —— 5-(1-propynyl)-2,2'-bithienyl 16278-95-8 C11H8S2
    5-(1-propynyl)-2,2'-bithienyl
    —— [5-[(2S)-2-(1,3-dioxoisoindol-2-yl)-3-methoxy-3-oxopropyl]-2-phenylmethoxyphenyl]boronic acid 364041-52-1 C25H22BNO7
    [5-[(2S)-2-(1,3-dioxoisoindol-2-yl)-3-methoxy-3-oxopropyl]-2-phenylmethoxyphenyl]boronic acid
    —— 5-oxo-2,3,11,11a-tetrahydro-1H,5H-pyrrolo<2,1-c><1,4>benzothiazepine 121451-33-0 C12H13NOS
    5-oxo-2,3,11,11a-tetrahydro-1H,5H-pyrrolo<2,1-c><1,4>benzothiazepine
    —— 5-methyl-2,5-norbornadiene-2,3-dicarboxylic acid 100165-74-0 C10H10O4
    5-methyl-2,5-norbornadiene-2,3-dicarboxylic acid
    —— 5-Amino-4-<2,5-dimethyl-1-pyrryl>-3-methylisoxazol 41230-62-0 C10H13N3O
    5-Amino-4-<2,5-dimethyl-1-pyrryl>-3-methylisoxazol
    —— 5-tert-Butyl-3-oxo-3H-2,1-benzoxathiol-7-carbonsaeure-methylester 69105-29-9 C13H14O4S
    5-tert-Butyl-3-oxo-3H-2,1-benzoxathiol-7-carbonsaeure-methylester
    —— 5-chloromethyl-6-methyl-2-phenyl-4-(3',5'-dichlorophenylamino)pyrimidine 164927-18-8 C18H14Cl3N3
    5-chloromethyl-6-methyl-2-phenyl-4-(3',5'-dichlorophenylamino)pyrimidine
    —— 5-n-Butyl-4-methoxy-2-methylpyridin-N-oxid 50407-67-5 C11H17NO2
    5-n-Butyl-4-methoxy-2-methylpyridin-N-oxid
    —— 5-[(E)-3-(4-chlorophenyl)prop-2-enoyl]-4-(diethylamino)-2-methyl-6-phenylpyridazin-3-one 137776-29-5 C24H24ClN3O2
    5-[(E)-3-(4-chlorophenyl)prop-2-enoyl]-4-(diethylamino)-2-methyl-6-phenylpyridazin-3-one
    —— 5-n-Butyl-4-methoxy-2-hydroxymethylpyridin 50407-65-3 C11H17NO2
    5-n-Butyl-4-methoxy-2-hydroxymethylpyridin
    —— 5-n-Butyl-4-hydroxylaminopyridin-2-carbonsaeure 88910-31-0 C10H14N2O3
    5-n-Butyl-4-hydroxylaminopyridin-2-carbonsaeure
    —— 5-n-Butyl-4-ethoxy-2-hydroxymethylpyridin 88910-28-5 C12H19NO2
    5-n-Butyl-4-ethoxy-2-hydroxymethylpyridin
    —— 5-n-Butyl-4-chlorpyridin-2-carbonsaeure 86873-65-6 C10H12ClNO2
    5-n-Butyl-4-chlorpyridin-2-carbonsaeure
    —— {(5,5-bis-dodecyloxymethyl-[1,3]dithian-2-yl)-[4-(tetrahydro-pyran-2-yloxy)-phenyl]-methyl}-(5-nitro-pyridin-2-yl)-amine 438226-87-0 C47H77N3O6S2
    {(5,5-bis-dodecyloxymethyl-[1,3]dithian-2-yl)-[4-(tetrahydro-pyran-2-yloxy)-phenyl]-methyl}-(5-nitro-pyridin-2-yl)-amine
    —— 5-(2'-deoxy-β-D-ribofuranosyl)-1H-imidazole-2-carboxamide —— C9H13N3O4
    5-(2'-deoxy-β-D-ribofuranosyl)-1H-imidazole-2-carboxamide
    —— 5-bromo-1-(ethoxymethyl)-2-methyl-1H-imidazole-4-carbonitrile 273408-66-5 C8H10BrN3O
    5-bromo-1-(ethoxymethyl)-2-methyl-1H-imidazole-4-carbonitrile