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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-ethyl-1-oxy-pyridine-2-carboxylic acid-(2-propionyl-anilide) 101575-13-7 C17H18N2O3
    5-ethyl-1-oxy-pyridine-2-carboxylic acid-(2-propionyl-anilide)
    —— 5-Hydroxymethyl-2,6-dimethyl-hepta-1,6-dien-3-one 133872-75-0 C10H16O2
    5-Hydroxymethyl-2,6-dimethyl-hepta-1,6-dien-3-one
    —— 5β,10-Cyclo-3β,14β-dihydroxycarda-6,20(22)-dienolid-3-acetat 4618-83-1 C25H32O5
    5β,10-Cyclo-3β,14β-dihydroxycarda-6,20(22)-dienolid-3-acetat
    —— 5,5'-Di-tert-butyl-4,4'-dimethoxy-biphenyl-2,2'-diamine 35292-28-5 C22H32N2O2
    5,5'-Di-tert-butyl-4,4'-dimethoxy-biphenyl-2,2'-diamine
    —— 5'-phospho-2'-deoxycytidylyl(3'-5')-2'-O-<N-(carbobenzyloxy)-O-benzylserinyl>adenosine 132046-22-1 C37H43N9O17P2
    5'-phospho-2'-deoxycytidylyl(3'-5')-2'-O-<N-(carbobenzyloxy)-O-benzylserinyl>adenosine
    —— 5,7-Dimethoxy-4-indolcarboxaldehydoxim 49754-62-3 C11H12N2O3
    5,7-Dimethoxy-4-indolcarboxaldehydoxim
    —— 5-ethyl-5-(3-hydroxy-4-methoxy-phenyl)-pyrimidine-2,4,6-trione 21610-34-4 C13H14N2O5
    5-ethyl-5-(3-hydroxy-4-methoxy-phenyl)-pyrimidine-2,4,6-trione
    —— 5-(furan-2-yl)-3-methyl-4-nitrohex-5-en-1-ol 1141388-39-7 C11H15NO4
    5-(furan-2-yl)-3-methyl-4-nitrohex-5-en-1-ol
    —— 5-trimethylureido-[1,3,4]thiadiazole-2-sulfonic acid diethylamide 37758-85-3 C10H19N5O3S2
    5-trimethylureido-[1,3,4]thiadiazole-2-sulfonic acid diethylamide
    —— 5-Cyclohexyliden-10,11-dihydro-2,8-dimethoxy-5H-dibenzo<a,d>cyclohepten 39154-64-8 C23H26O2
    5-Cyclohexyliden-10,11-dihydro-2,8-dimethoxy-5H-dibenzo<a,d>cyclohepten
    —— (5<i>S</i>)-<i>O</i><sup>1</sup>,<i>O</i><sup>2</sup>-isopropylidene-5-[3-(2,4,6-trimethyl-phenyl)-isoxazol-5-yl]-α-<i>D</i>-xylofuranose 68791-04-8 C20H25NO6
    (5<i>S</i>)-<i>O</i><sup>1</sup>,<i>O</i><sup>2</sup>-isopropylidene-5-[3-(2,4,6-trimethyl-phenyl)-isoxazol-5-yl]-α-<i>D</i>-xylofuranose
    —— (5R,8S,9R,10S,13R,14S,17S)-17-Ethyl-5-hydroxy-4,4,9,13,14-pentamethyl-tetradecahydro-cyclopenta[a]phenanthrene-6,11-dione 36253-11-9 C24H38O3
    (5R,8S,9R,10S,13R,14S,17S)-17-Ethyl-5-hydroxy-4,4,9,13,14-pentamethyl-tetradecahydro-cyclopenta[a]phenanthrene-6,11-dione
    —— 5-Heptyl-2-methyl-cyclopenten-(4)-on 15263-85-1 C13H22O
    5-Heptyl-2-methyl-cyclopenten-(4)-on
    —— (5S,10S,13S)-3-Ethoxy-17-hydroxy-10,13-dimethyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-2-carbonitrile 5742-54-1 C22H33NO2
    (5S,10S,13S)-3-Ethoxy-17-hydroxy-10,13-dimethyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-2-carbonitrile
    —— (5R,6S)-6-(4-chlorophenyl)-5-(6-chloropyridin-3-yl)-3-isopropyl-N,N,6-trimethyl-5,6-dihydroimidazo[2,1-b]thiazole-2-carboxamide 1033711-26-0 C23H24Cl2N4OS
    (5R,6S)-6-(4-chlorophenyl)-5-(6-chloropyridin-3-yl)-3-isopropyl-N,N,6-trimethyl-5,6-dihydroimidazo[2,1-b]thiazole-2-carboxamide
    —— (5S)-N-[5-chloro-2-(1H-tetrazol-1-yl)benzyl]-1-[(3,5-difluorophenyl)(hydroxy)acetyl]-4,5-dihydro-1H-pyrazole-5-carboxamide 1201686-48-7 C20H16ClF2N7O3
    (5S)-N-[5-chloro-2-(1H-tetrazol-1-yl)benzyl]-1-[(3,5-difluorophenyl)(hydroxy)acetyl]-4,5-dihydro-1H-pyrazole-5-carboxamide
    —— 5,6-dimethyl-N2-(pyridin-2-ylmethyl)-N4-[2-(trifluoromethoxy)phenyl]pyrimidine-2,4-diamine 1450809-51-4 C19H18F3N5O
    5,6-dimethyl-N2-(pyridin-2-ylmethyl)-N4-[2-(trifluoromethoxy)phenyl]pyrimidine-2,4-diamine
    —— 5-[(4-Fluorophenyl)-hydroxymethylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione 478297-36-8 C13H11FO5
    5-[(4-Fluorophenyl)-hydroxymethylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-(1-benzyl-5-methyl-1H-1,2,3-triazol-4-yl)-2-fluorobenzonitrile 1093307-04-0 C16H10FIN4
    5-(1-benzyl-5-methyl-1H-1,2,3-triazol-4-yl)-2-fluorobenzonitrile
    —— 5-(3,5-dimethyl-1,2-oxazol-4-yl)-1-[2-(morpholin-4-yl)ethyl]-2-[(2R)-2-phenylpropyl]-1H-benzimidazole 1613694-93-1 C27H32N4O2
    5-(3,5-dimethyl-1,2-oxazol-4-yl)-1-[2-(morpholin-4-yl)ethyl]-2-[(2R)-2-phenylpropyl]-1H-benzimidazole
    —— 5,6,7,12-tetrahydro-N-(2-carbomethoxyphenyl)-5-hydroxy-5-methyl-7-methylenedibenz<b,g>azocine 108561-09-7 C25H23NO3
    5,6,7,12-tetrahydro-N-(2-carbomethoxyphenyl)-5-hydroxy-5-methyl-7-methylenedibenz<b,g>azocine
    —— 5-hydroxy-4,7-dimethyl-2-oxo-2H-chromene-6,8-dicarbaldehyde 100374-64-9 C13H10O5
    5-hydroxy-4,7-dimethyl-2-oxo-2H-chromene-6,8-dicarbaldehyde
    —— 5,6,12,13,19,20-hexakis[2-[2-(2-ethoxyethoxy)ethoxy]ethoxy]tetracyclo[15.4.0.03,8.010,15]henicosa-1(21),3,5,7,10,12,14,17,19-nonaene 63239-74-7 C69H114O24
    5,6,12,13,19,20-hexakis[2-[2-(2-ethoxyethoxy)ethoxy]ethoxy]tetracyclo[15.4.0.03,8.010,15]henicosa-1(21),3,5,7,10,12,14,17,19-nonaene
    —— 5,7-dimethyl-2-[4-(4-<i>trans</i>-styryl-<i>trans</i>-styryl)-phenyl]-benzooxazole 53348-65-5 C31H25NO
    5,7-dimethyl-2-[4-(4-<i>trans</i>-styryl-<i>trans</i>-styryl)-phenyl]-benzooxazole
    —— 5,7,4'-triacetoxy-6,8-di-C-(2,3,4-tri-O-acetyl-α-D-arabinopyranosyl)flavone 1253228-08-8 C43H44O22
    5,7,4'-triacetoxy-6,8-di-C-(2,3,4-tri-O-acetyl-α-D-arabinopyranosyl)flavone
    —— 5,6-dibutyl-11-methyl-11-H-benzo[a]carbazole 1263875-75-7 C25H29N
    5,6-dibutyl-11-methyl-11-H-benzo[a]carbazole
    —— 5-amino-6-cyano-7,8-dihydro-1'-ethylspiro{imidazo[1,2-a]pyridine-7,3'-indolin}-2'-one 1097849-34-7 C17H15N5O
    5-amino-6-cyano-7,8-dihydro-1'-ethylspiro{imidazo[1,2-a]pyridine-7,3'-indolin}-2'-one
    —— (5R,6S)-6-<(1R)-hydroxyethyl>-2-<RS-piperidin-2-yl>-2-penem-3-carboxylic acid 91871-66-8 C13H18N2O4S
    (5R,6S)-6-<(1R)-hydroxyethyl>-2-<RS-piperidin-2-yl>-2-penem-3-carboxylic acid
    —— 5-(cyclopropylmethyl)-2H-tetrazole 1154383-91-1 C5H8N4
    5-(cyclopropylmethyl)-2H-tetrazole
    —— 5,5-dimethyl-2-(8-methylnona-1,2,7-trien-5-yl)-1,3-dioxane 117919-35-4 C16H26O2
    5,5-dimethyl-2-(8-methylnona-1,2,7-trien-5-yl)-1,3-dioxane
    —— 5,11,17,23-Tetratert-butyl-27,28-didecoxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3(28),4,6,9,11,13(27),15,17,19(26),21(25),22-dodecaene-25,26-diol 1114972-59-6 C64H96O4
    5,11,17,23-Tetratert-butyl-27,28-didecoxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3(28),4,6,9,11,13(27),15,17,19(26),21(25),22-dodecaene-25,26-diol
    —— 5-Iodo-9-methyl-6-phenylbenzimidazolo[2,1-a]isoquinoline 1260152-04-2 C22H15IN2
    5-Iodo-9-methyl-6-phenylbenzimidazolo[2,1-a]isoquinoline
    —— 5-(4-5-[(2R,6S)-2,6-Dimethyltetrahydro-1(2H)-pyridinyl]pentyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl)-1,3-oxazole-2-carboximidamide 244618-52-8 C24H33N5O3
    5-(4-5-[(2R,6S)-2,6-Dimethyltetrahydro-1(2H)-pyridinyl]pentyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl)-1,3-oxazole-2-carboximidamide
    —— 5-Chloro-N-(4,6-dichloro-benzo[1,2,3]thiadiazol-7-yl)-2-hydroxy-benzamide 36175-64-1 C13H6Cl3N3O2S
    5-Chloro-N-(4,6-dichloro-benzo[1,2,3]thiadiazol-7-yl)-2-hydroxy-benzamide
    —— 5-(3-methyl-ureido)-[1,3,4]thiadiazole-2-sulfonic acid diethylamide 34940-68-6 C8H15N5O3S2
    5-(3-methyl-ureido)-[1,3,4]thiadiazole-2-sulfonic acid diethylamide
    —— 5-[[2-(2-bicyclo[2.2.1]heptanyl)acetyl]amino]-1-[(2,6-difluorophenyl)methyl]-N-phenylindole-2-carboxamide 509149-47-7 C31H29F2N3O2
    5-[[2-(2-bicyclo[2.2.1]heptanyl)acetyl]amino]-1-[(2,6-difluorophenyl)methyl]-N-phenylindole-2-carboxamide
    —— 5-Hydroxy-7-allyloxy-6-allyl-flavon 14965-25-4 C21H18O4
    5-Hydroxy-7-allyloxy-6-allyl-flavon
    —— 5-[(2-cyclohex-1-enyl-ethylamino)-methyl]-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carboxylic acid 4116-26-1 C14H19N3O4
    5-[(2-cyclohex-1-enyl-ethylamino)-methyl]-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carboxylic acid
    —— 5-Hydroxy-5-<2-hydroxy-4-(4-methoxyphenyl)-6-oxo-1-cyclohexen-1-yl>-barbitursaeure 17902-16-8 C17H16N2O7
    5-Hydroxy-5-<2-hydroxy-4-(4-methoxyphenyl)-6-oxo-1-cyclohexen-1-yl>-barbitursaeure
    —— 5-(4-Nitro-phenyl)-2-amino-4-carboxymethylmercapto-pyrimidin 15937-52-7 C12H10N4O4S
    5-(4-Nitro-phenyl)-2-amino-4-carboxymethylmercapto-pyrimidin
    —— 5-Hydroxy-2-ethyl-1-methoxycarbonyl-6-<2-carboxy-6-methoxy-benzoyl>-naphthalin 7316-09-8 C23H20O7
    5-Hydroxy-2-ethyl-1-methoxycarbonyl-6-<2-carboxy-6-methoxy-benzoyl>-naphthalin
    —— 5-(4-Methyl-piperazino)-7-nitro-tetrazolo<2,1-a>isochinolin 18203-52-6 C14H15N7O2
    5-(4-Methyl-piperazino)-7-nitro-tetrazolo<2,1-a>isochinolin
    —— 5-(5-Ethoxycarbonyl-3,4-dimethyl-pyrrol-2-ylmethyl)-2-ethoxy-3,4-dimethyl-1-pyrrolin 6757-25-1 C18H28N2O3
    5-(5-Ethoxycarbonyl-3,4-dimethyl-pyrrol-2-ylmethyl)-2-ethoxy-3,4-dimethyl-1-pyrrolin
    —— 5,6-Dihydro-2,2-dimethyl-4H-furo[2,3-b]pyran-3(2H)-one 1051941-02-6 C9H12O3
    5,6-Dihydro-2,2-dimethyl-4H-furo[2,3-b]pyran-3(2H)-one
    —— 5-nitro-6-pentyl-norborn-2-ene 107273-63-2 C12H19NO2
    5-nitro-6-pentyl-norborn-2-ene
    —— 5-(1-ethyl-3-methyl-ureido)-[1,3,4]thiadiazole-2-sulfonic acid <i>sec</i>-butyl-methyl-amide 71738-53-9 C11H21N5O3S2
    5-(1-ethyl-3-methyl-ureido)-[1,3,4]thiadiazole-2-sulfonic acid <i>sec</i>-butyl-methyl-amide
    —— 5-<4-Acetamino-benzolsulfonylamino>-3-methylmercapto-1.2.4-thiodiazol 91141-63-8 C11H12N4O3S3
    5-<4-Acetamino-benzolsulfonylamino>-3-methylmercapto-1.2.4-thiodiazol
    —— 5-bis(ethoxycarbonyl)-methylene-3-phenylhydantoin 82747-74-8 C16H16N2O6
    5-bis(ethoxycarbonyl)-methylene-3-phenylhydantoin
    —— (5-Isopropyl-2-methyl-2,4-dihydro-[1,2,4,3]triazaphosphol-3-yl)-phenyl-amine 107264-31-3 C11H17N4P
    (5-Isopropyl-2-methyl-2,4-dihydro-[1,2,4,3]triazaphosphol-3-yl)-phenyl-amine
    —— 5-(4-(4-chloro-2-methyIphenyl)-5-(4-methylnaphthaIen-1-yl)thiophen-2-yl)-1H-tetrazole 1395083-19-8 C23H17ClN4S
    5-(4-(4-chloro-2-methyIphenyl)-5-(4-methylnaphthaIen-1-yl)thiophen-2-yl)-1H-tetrazole