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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-oxopentyl pivalate 287401-05-2 C10H18O3
    5-oxopentyl pivalate
    —— 5-Amino-1,3-dimethyl-6-morpholinouracil 61541-45-5 C10H16N4O3
    5-Amino-1,3-dimethyl-6-morpholinouracil
    —— 5-Amino-1,3-dimethyl-6-N-piperidinouracil 61541-44-4 C11H18N4O2
    5-Amino-1,3-dimethyl-6-N-piperidinouracil
    —— 5-methyl-pyridine-2-sulphonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2,2'-bipyrimidin-4-ylamide 179400-51-2 C23H22N6O6S
    5-methyl-pyridine-2-sulphonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2,2'-bipyrimidin-4-ylamide
    —— 5-α-cholestan-6-one oxime 2735-20-8 C27H47NO
    5-α-cholestan-6-one oxime
    —— 5β-cholestane-6-one 13713-79-6 C27H46O
    5β-cholestane-6-one
    —— 5,5-dimethyl-1-oxy-2-phenyl-4,5-dihydro-pyrrol-3-one oxime 61924-11-6 C12H14N2O2
    5,5-dimethyl-1-oxy-2-phenyl-4,5-dihydro-pyrrol-3-one oxime
    —— 5-acetyl-5-methyl-2-phenyl-oxazol-4-one 18354-41-1 C12H11NO3
    5-acetyl-5-methyl-2-phenyl-oxazol-4-one
    —— 5-nitro-2,3-dihydro-1H-isoindole-1,3-diimine 31643-53-5 C8H6N4O2
    5-nitro-2,3-dihydro-1H-isoindole-1,3-diimine
    —— (5S)-3-benzoyl-5-{[(tert-butyl(diphenyl)silyl)oxy]methyl}-1,3-oxazolidin-2-one 702711-16-8 C27H29NO4Si
    (5S)-3-benzoyl-5-{[(tert-butyl(diphenyl)silyl)oxy]methyl}-1,3-oxazolidin-2-one
    —— 5-iodo-4-(1H-indol-3-yl)pyrimidin-2-amine 1311395-51-3 C12H9IN4
    5-iodo-4-(1H-indol-3-yl)pyrimidin-2-amine
    —— 5-(phthalazine-5-yl)-1,3,4-thiadiazol-2-amine 1104070-97-4 C10H7N5S
    5-(phthalazine-5-yl)-1,3,4-thiadiazol-2-amine
    —— 5-isopropyl-pyridine-2-sulfonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2-morpholin-4-yl-pyrimidin-4-yl-amide 179400-65-8 C25H31N5O7S
    5-isopropyl-pyridine-2-sulfonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2-morpholin-4-yl-pyrimidin-4-yl-amide
    —— 5-methyl-pyridine-2-sulphonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2-morpholin-4-yl-pyrimidin-4-ylamide 179400-53-4 C23H27N5O7S
    5-methyl-pyridine-2-sulphonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2-morpholin-4-yl-pyrimidin-4-ylamide
    —— 5-ethoxy-4-methoxy-2-nitro-benzoic acid 61948-83-2 C10H11NO6
    5-ethoxy-4-methoxy-2-nitro-benzoic acid
    —— 5-isopropyl-pyridine-2-sulphonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2,2'-bipyrimidin-4-ylamide 179400-29-4 C25H26N6O6S
    5-isopropyl-pyridine-2-sulphonic acid 6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-2,2'-bipyrimidin-4-ylamide
    —— 5-(bromomethyl)-1,3-diphenyl-1H-1,2,4-triazole 1426444-51-0 C15H12BrN3
    5-(bromomethyl)-1,3-diphenyl-1H-1,2,4-triazole
    —— 5-methyl-2,6-diphenyl-4H-1,3-oxazin-4-one 86739-30-2 C17H13NO2
    5-methyl-2,6-diphenyl-4H-1,3-oxazin-4-one
    —— 5-bromo-2-isopropyl benzaldehyde 1289039-15-1 C10H11BrO
    5-bromo-2-isopropyl benzaldehyde
    —— (5R)-3-benzoyl-5-[(benzyloxy)methyl]-1,3-oxazolidin-2-one 702711-14-6 C18H17NO4
    (5R)-3-benzoyl-5-[(benzyloxy)methyl]-1,3-oxazolidin-2-one
    —— 5-(4'-hexyloxyphenyloxy)carbonyl-2-pyridone 1227498-14-7 C18H21NO4
    5-(4'-hexyloxyphenyloxy)carbonyl-2-pyridone
    —— 5-benzoyl-1,3-bis-(3-nitro-benzenesulfonyl)-imidazolidine-2,4-dione 61957-82-2 C22H14N4O11S2
    5-benzoyl-1,3-bis-(3-nitro-benzenesulfonyl)-imidazolidine-2,4-dione
    —— 5-Thiophen-3-yl-[1,3,4]thiadiazol-2-ylamine 70057-71-5 C6H5N3S2
    5-Thiophen-3-yl-[1,3,4]thiadiazol-2-ylamine
    —— 5-(5-Methyl-1,2,4-oxadiazol-3-yl)-2-propylpyrimidin-4-amine 82216-46-4 C10H13N5O
    5-(5-Methyl-1,2,4-oxadiazol-3-yl)-2-propylpyrimidin-4-amine
    —— 5-Methyl-2-m-tolyl-4,5,6,7-tetrahydro-2H-isoindole 61977-94-4 C16H19N
    5-Methyl-2-m-tolyl-4,5,6,7-tetrahydro-2H-isoindole
    —— 5-[2-(2-chloro-5-fluoro-4-methoxy-phenyl)-propionyl]-1-methyl-1H-pyridin-2-one 1134916-90-7 C16H15ClFNO3
    5-[2-(2-chloro-5-fluoro-4-methoxy-phenyl)-propionyl]-1-methyl-1H-pyridin-2-one
    —— 5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)pyrimidine 1107603-48-4 C9H13BN2O2
    5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)pyrimidine
    —— 5-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol —— C8H6FN3S
    5-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol
    —— (5Z)-5-[(E)-3-phenylallylidene]thiazolidine-2,4-dione 1307299-57-5 C12H9NO2S
    (5Z)-5-[(E)-3-phenylallylidene]thiazolidine-2,4-dione
    —— (5S,8R,9R,10S)-9-Methoxy-2,2-dimethyl-10-(2-methyl-oxiranyl)-1,3,6-trioxa-spiro[4.5]decane-8,10-diol 176719-18-9 C13H22O7
    (5S,8R,9R,10S)-9-Methoxy-2,2-dimethyl-10-(2-methyl-oxiranyl)-1,3,6-trioxa-spiro[4.5]decane-8,10-diol
    —— 5-phenyl-thiophene-2-carboxylic acid amide 62404-14-2 C11H9NOS
    5-phenyl-thiophene-2-carboxylic acid amide
    —— 5<i>t</i>-phenyl-2-thioxo-pent-4-enoic acid 99846-01-2 C11H10O2S
    5<i>t</i>-phenyl-2-thioxo-pent-4-enoic acid
    —— 5-(4-chlorophenyl)-2-furoic acid hydrazide 60336-09-6 C11H9ClN2O2
    5-(4-chlorophenyl)-2-furoic acid hydrazide
    —— (5E,9E)-11-[tert-butyl(dimethyl)silyl]oxy-1-dimethoxyphosphoryl-4-(1-ethoxyethoxy)-6,10-dimethylundeca-5,9-dien-2-one 189080-54-4 C25H49O7PSi
    (5E,9E)-11-[tert-butyl(dimethyl)silyl]oxy-1-dimethoxyphosphoryl-4-(1-ethoxyethoxy)-6,10-dimethylundeca-5,9-dien-2-one
    —— (5E,9E)-11-[tert-butyl(dimethyl)silyl]oxy-1-dimethoxyphosphoryl-4-hydroxy-6,10-dimethylundeca-5,9-dien-2-one 189080-53-3 C21H41O6PSi
    (5E,9E)-11-[tert-butyl(dimethyl)silyl]oxy-1-dimethoxyphosphoryl-4-hydroxy-6,10-dimethylundeca-5,9-dien-2-one
    —— 5-(3-fluoro-4-nitrophenyl)-1,3,4-thiadiazol-2-amine 1104069-69-3 C8H5FN4O2S
    5-(3-fluoro-4-nitrophenyl)-1,3,4-thiadiazol-2-amine
    —— 5,11,17,23-tetrakis-tert-butyl-25,27-dimethoxy-26-benzoylaminocarbonyl-28-hydroxycalix[4]arene 325776-15-6 C54H65NO6
    5,11,17,23-tetrakis-tert-butyl-25,27-dimethoxy-26-benzoylaminocarbonyl-28-hydroxycalix[4]arene
    —— [(5E,9E)-3-(benzenesulfonyl)-11-[tert-butyl(dimethyl)silyl]oxy-5,9-dimethyl-2-propan-2-ylundeca-5,9-dienoxy]-tert-butyl-diphenylsilane 189080-68-0 C44H66O4SSi2
    [(5E,9E)-3-(benzenesulfonyl)-11-[tert-butyl(dimethyl)silyl]oxy-5,9-dimethyl-2-propan-2-ylundeca-5,9-dienoxy]-tert-butyl-diphenylsilane
    —— (5E,9E)-10-[2-(3-dimethoxyphosphoryl-2-oxopropyl)-1,3-dioxolan-2-yl]-5,9-dimethyl-2-propan-2-yldeca-5,9-dienal 189080-75-9 C23H39O7P
    (5E,9E)-10-[2-(3-dimethoxyphosphoryl-2-oxopropyl)-1,3-dioxolan-2-yl]-5,9-dimethyl-2-propan-2-yldeca-5,9-dienal
    —— [(5S,6Z,9Z,12Z,15Z)-20-methoxy-20-oxoicosa-6,9,12,15-tetraen-5-yl] benzoate 634179-28-5 C28H38O4
    [(5S,6Z,9Z,12Z,15Z)-20-methoxy-20-oxoicosa-6,9,12,15-tetraen-5-yl] benzoate
    —— (5-phenylethynyl-pyridin-3-ylmethyl)-carbamic acid ethyl ester hydrochloride 866686-67-1 C17H16N2O2*ClH
    (5-phenylethynyl-pyridin-3-ylmethyl)-carbamic acid ethyl ester hydrochloride
    —— 5-{[(2-fluorophenyl)oxy]methyl}-1,3,4-thiadiazol-2-amine 247128-21-8 C9H8FN3OS
    5-{[(2-fluorophenyl)oxy]methyl}-1,3,4-thiadiazol-2-amine
    —— 5,5'-dimethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-heptylidene-bis-pyrazol-3-one 77035-57-5 C27H32N4O2
    5,5'-dimethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-heptylidene-bis-pyrazol-3-one
    —— 5-[(2-chlorophenoxy)methyl]-N-methyl-1,3,4-thiadiazol-2-amine 1345699-76-4 C10H10ClN3OS
    5-[(2-chlorophenoxy)methyl]-N-methyl-1,3,4-thiadiazol-2-amine
    —— 5,6-bis(4-fluorophenyl)-3-(methylthio)-1,2,4-triazine 59663-52-4 C16H11F2N3S
    5,6-bis(4-fluorophenyl)-3-(methylthio)-1,2,4-triazine
    —— 5-(1-methylhydrazinyl)-1H-1,2,4-triazol-3(2H)-one 27045-66-5 C3H7N5O
    5-(1-methylhydrazinyl)-1H-1,2,4-triazol-3(2H)-one
    —— 5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(3-methyl-3H-benzothiazol-2-ylidene)-hydrazone] 19205-04-0 C18H15N5OS
    5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(3-methyl-3H-benzothiazol-2-ylidene)-hydrazone]
    —— 5,6,7,8-tetramethyl-3-piperazinoisoquinoline 112631-67-1 C17H23N3
    5,6,7,8-tetramethyl-3-piperazinoisoquinoline
    —— 5-methyl-2-phenyl-2<i>H</i>-pyrazole-3,4-dione-4-((<i>Z</i>)-4-methoxy-2-nitro-phenylhydrazone) 53847-63-5 C17H15N5O4
    5-methyl-2-phenyl-2<i>H</i>-pyrazole-3,4-dione-4-((<i>Z</i>)-4-methoxy-2-nitro-phenylhydrazone)
    —— 5-(α-naphthyl)-methyl-2-pyrrolidine 80255-12-5 C15H15NO
    5-(α-naphthyl)-methyl-2-pyrrolidine