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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,17β-dihydroxy-6β-methyl-5α-androstan-3-one 110248-80-1 C20H32O3
    5,17β-dihydroxy-6β-methyl-5α-androstan-3-one
    —— 5-tert-butyl-8-formyl[2.2]metaparacyclophane 266304-44-3 C21H24O
    5-tert-butyl-8-formyl[2.2]metaparacyclophane
    —— 5-Methyl-3-[[3-[5-[2-(4-methyl-3-oxopiperazin-1-yl)ethoxy]pyrimidin-2-yl]phenyl]methyl]-[1,3]oxazolo[4,5-b]pyridin-2-one 1092568-05-2 C25H26N6O4
    5-Methyl-3-[[3-[5-[2-(4-methyl-3-oxopiperazin-1-yl)ethoxy]pyrimidin-2-yl]phenyl]methyl]-[1,3]oxazolo[4,5-b]pyridin-2-one
    —— 5-(4-Chlorophenyl)-2-[4-(4,4-dimethylpiperidin-1-yl)phenyl]imidazole-4-carboxylic acid 313974-77-5 C23H24ClN3O2
    5-(4-Chlorophenyl)-2-[4-(4,4-dimethylpiperidin-1-yl)phenyl]imidazole-4-carboxylic acid
    —— 5-methoxy-1-ethyl-3-phenylethynyl-1H-indole-2-carboxylic acid methyl ester 1316759-15-5 C21H19NO3
    5-methoxy-1-ethyl-3-phenylethynyl-1H-indole-2-carboxylic acid methyl ester
    —— 5-chloro-9,10-dioxo-9,10-dihydro-anthracene-1-carboxylic acid methyl ester 58236-23-0 C16H9ClO4
    5-chloro-9,10-dioxo-9,10-dihydro-anthracene-1-carboxylic acid methyl ester
    —— 5-[3-(6-tert-Butoxycarbonylamino-pyridin-2-yl)-propyl]-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester 258845-33-9 C19H27N3O5
    5-[3-(6-tert-Butoxycarbonylamino-pyridin-2-yl)-propyl]-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester
    —— 5amino-3,4-dihydro-2(1H)-quinolinone hydrochloride 126401-55-6 C9H10N2O*ClH
    5amino-3,4-dihydro-2(1H)-quinolinone hydrochloride
    —— 5-((S)-5-methoxy-5-oxopentan-2-yl) 1-methyl (S)-2-methylpentanedioate 131082-57-0 C13H22O6
    5-((S)-5-methoxy-5-oxopentan-2-yl) 1-methyl (S)-2-methylpentanedioate
    —— 5-(4-bromo-anilino)-pyrazine-2,3-dicarbonitrile 72112-16-4 C12H6BrN5
    5-(4-bromo-anilino)-pyrazine-2,3-dicarbonitrile
    —— 5(S)-tert-butoxycarbonylamino-4(S)-hydroxy-2(S)-isopropyl-7,7dimethyl-8-[2(R,S)-ethylaminocarbonyl-3,4-dihydro-2H1,4-benzothiazin-4-ylcarbonyl]-octanoic acid (N-butyl)amide 177200-80-5 C34H56N4O6S
    5(S)-tert-butoxycarbonylamino-4(S)-hydroxy-2(S)-isopropyl-7,7dimethyl-8-[2(R,S)-ethylaminocarbonyl-3,4-dihydro-2H1,4-benzothiazin-4-ylcarbonyl]-octanoic acid (N-butyl)amide
    —— 5β-cholan-12α-ol 35649-45-7 C24H42O
    5β-cholan-12α-ol
    —— 5-{[7-(3-chloropropoxy)-6-methoxyquinazolin-4-yl]amino}pyrimidine-2-carbaldehyde trifluoroacetate 722487-17-4 C2HF3O2*C17H16ClN5O3
    5-{[7-(3-chloropropoxy)-6-methoxyquinazolin-4-yl]amino}pyrimidine-2-carbaldehyde trifluoroacetate
    —— 5-(4-{6-methyl-1-[2-(methyloxy)ethyl]-5-[(4-methyl-1-piperazinyl)carbonyl]-1H-benzimidazol-2-yl}-1H-imidazol-2-yl)-1,3-benzothiazole 1338345-49-5 C27H29N7O2S
    5-(4-{6-methyl-1-[2-(methyloxy)ethyl]-5-[(4-methyl-1-piperazinyl)carbonyl]-1H-benzimidazol-2-yl}-1H-imidazol-2-yl)-1,3-benzothiazole
    —— 5-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(4-amino-3-ethyl-3-methyl-1-piperidinyl)-4-oxo-quinoline-3-carboxylic acid 473839-46-2 C22H29FN4O4
    5-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(4-amino-3-ethyl-3-methyl-1-piperidinyl)-4-oxo-quinoline-3-carboxylic acid
    —— 5-{1-[(2,5-dimethylphenyl)acetyl]-2,3-dihydro-1H-indol-5-yl}-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine 1337531-48-2 C25H25N5O
    5-{1-[(2,5-dimethylphenyl)acetyl]-2,3-dihydro-1H-indol-5-yl}-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
    —— [(5,10,15,20-tetraphenylchlorin(2-))Fe(4-(dimethylamino)pyridine)2]Cl 887649-30-1 C58H50FeN8*Cl
    [(5,10,15,20-tetraphenylchlorin(2-))Fe(4-(dimethylamino)pyridine)2]Cl
    —— 5-cyclopropyl-3,5-di(methoxycarbonyl)-4,5-dihydro-1H-pyrazole 1078542-87-6 C10H14N2O4
    5-cyclopropyl-3,5-di(methoxycarbonyl)-4,5-dihydro-1H-pyrazole
    —— 5,5-Dicarboxy-2-phenyl-4,5,6,7-tetrahydro-indazolon-(3) 98284-15-2 C15H14N2O5
    5,5-Dicarboxy-2-phenyl-4,5,6,7-tetrahydro-indazolon-(3)
    —— 5,11,17,23,29,35-Hexa-tert-butyl-39,42-dihydroxy-37,38,40,41-tetrakis<(4-cyanobenzoyl)oxy>calix<6>arene 140659-00-3 C98H96N4O10
    5,11,17,23,29,35-Hexa-tert-butyl-39,42-dihydroxy-37,38,40,41-tetrakis<(4-cyanobenzoyl)oxy>calix<6>arene
    —— 5-norbornene-GGGE(tBu)C(Trt)D(tBu)-OMe 503300-96-7 C54H68N6O12S
    5-norbornene-GGGE(tBu)C(Trt)D(tBu)-OMe
    —— 5-(3-chloropyridin-2-yl)-N-(2-phenylpropan-2-yl)pyridine-2-carboxamide 849756-50-9 C20H18ClN3O
    5-(3-chloropyridin-2-yl)-N-(2-phenylpropan-2-yl)pyridine-2-carboxamide
    —— 5,5'-Dimethyl-diphenylmethan-2,2'-bis-(2,4-dinitro-phenyl)-ether 114694-93-8 C27H20N4O10
    5,5'-Dimethyl-diphenylmethan-2,2'-bis-(2,4-dinitro-phenyl)-ether
    —— 5,6,7,8-Tetrafluoro-9-isopropyl-1,2,3,4-tetrahydro-1,4-methano-naphthalene 61914-59-8 C14H14F4
    5,6,7,8-Tetrafluoro-9-isopropyl-1,2,3,4-tetrahydro-1,4-methano-naphthalene
    —— 5-chloro-3-phenoxycarbonyloxy-2-pyridin-2-yl-2,3-dihydro-isoindol-1-one 36932-11-3 C20H13ClN2O4
    5-chloro-3-phenoxycarbonyloxy-2-pyridin-2-yl-2,3-dihydro-isoindol-1-one
    —— 5-amino-6-chloro-2-propyl-N-{1-[3-(methoxy)propyl]-4-piperidinyl}imidazo[1,2-a]pyridine-8-carboxamide hydrochloride salt 519148-38-0 C20H30ClN5O2*ClH
    5-amino-6-chloro-2-propyl-N-{1-[3-(methoxy)propyl]-4-piperidinyl}imidazo[1,2-a]pyridine-8-carboxamide hydrochloride salt
    —— 5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-1-hydroxy-1-(4-fluorophenyl)pentane hydrochloride 130375-57-4 C31H32FNO*ClH
    5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-1-hydroxy-1-(4-fluorophenyl)pentane hydrochloride
    —— [5-(ethylamino)-6-oxo-4,5-dihydro-1H-pyrimidin-2-yl]urea 259195-66-9 C7H13N5O2
    [5-(ethylamino)-6-oxo-4,5-dihydro-1H-pyrimidin-2-yl]urea
    —— 5-[(1R,3r,5S)-3-({5-cyclopropyl-3-[2-(difluoromethoxy)phenyl]-1,2-oxazol-4-yl}methoxy)-8-azabicyclo[3.2.1]octan-8-yl]pyrazine-2-carboxylic acid 1383817-53-5 C26H26F2N4O5
    5-[(1R,3r,5S)-3-({5-cyclopropyl-3-[2-(difluoromethoxy)phenyl]-1,2-oxazol-4-yl}methoxy)-8-azabicyclo[3.2.1]octan-8-yl]pyrazine-2-carboxylic acid
    —— (5Z,7Z)-5,7-tetradecadiene 94427-79-9 C14H26
    (5Z,7Z)-5,7-tetradecadiene
    —— 5-(4-(6-hydroxyquinolin-2-yl)phenyl)-1,2,4-thiadiazol-3(2H)-one 1371587-90-4 C17H11N3O2S
    5-(4-(6-hydroxyquinolin-2-yl)phenyl)-1,2,4-thiadiazol-3(2H)-one
    —— 5-hydroxymethyl-6,8-dimethyl-1-oxaspiro<2.5>octa-5,7-dien-4-one 78091-47-1 C10H12O3
    5-hydroxymethyl-6,8-dimethyl-1-oxaspiro<2.5>octa-5,7-dien-4-one
    —— 5-methoxy-8,15-dimethyl-9-phenyl-15-azatetracyclo[6.6.2.01,10.02,7]hexadeca-2(7),3,5,9-tetraen-16-one 78814-00-3 C24H25NO2
    5-methoxy-8,15-dimethyl-9-phenyl-15-azatetracyclo[6.6.2.01,10.02,7]hexadeca-2(7),3,5,9-tetraen-16-one
    —— 5,6-dihydro-4,7-dimethyl-6-oxo-2-piperazino(7H)pyrrolo[2,3-d]pyrimidine 115495-85-7 C12H17N5O
    5,6-dihydro-4,7-dimethyl-6-oxo-2-piperazino(7H)pyrrolo[2,3-d]pyrimidine
    —— 5,5'-Dijodindigo 94428-89-4 C16H8I2N2O2
    5,5'-Dijodindigo
    —— 5-tert-butyl-8-methoxy<2>metacyclo<2>(2,5)thiophenophane 133296-58-9 C19H24OS
    5-tert-butyl-8-methoxy<2>metacyclo<2>(2,5)thiophenophane
    —— 5-(4-fluorophenyl)-2,2-diphenylfuran-3(2H)-one 53750-58-6 C22H15FO2
    5-(4-fluorophenyl)-2,2-diphenylfuran-3(2H)-one
    —— 5-(carboxy)-2-(carbo-t-butyloxy)-5-(4-methoxybenzylthio)-2,4,5,6-tetrahydro-cyclopenta[c]pyrrole 160502-24-9 C21H25NO5S
    5-(carboxy)-2-(carbo-t-butyloxy)-5-(4-methoxybenzylthio)-2,4,5,6-tetrahydro-cyclopenta[c]pyrrole
    —— 5-[(4-Methylphenyl)methyl]-1,3-thiazol-2-amine hydrochloride 2193059-25-3 C11H13ClN2S
    5-[(4-Methylphenyl)methyl]-1,3-thiazol-2-amine hydrochloride
    —— 5-(benzenesulfinyl)-3-hydroxy-2,2-dimethylcyclopentan-1-one 124015-64-1 C13H16O3S
    5-(benzenesulfinyl)-3-hydroxy-2,2-dimethylcyclopentan-1-one
    —— 5-(N-(tert-butoxycarbonyl)methylsulfonamido)-2-(cyclopropylmethoxy)benzoate 1548871-66-4 C18H25NO7S
    5-(N-(tert-butoxycarbonyl)methylsulfonamido)-2-(cyclopropylmethoxy)benzoate
    —— (5Z,9E,11E,13Z)-(8R,15S)-8,15-Bis-(tert-butyl-diphenyl-silanyloxy)-icosa-5,9,11,13-tetraenoic acid methyl ester 93292-68-3 C53H70O4Si2
    (5Z,9E,11E,13Z)-(8R,15S)-8,15-Bis-(tert-butyl-diphenyl-silanyloxy)-icosa-5,9,11,13-tetraenoic acid methyl ester
    —— 5-[1-(2-bromobenzyloxy)-2-trityloxyethyl]-2,2-dimethyl-6-prop-2-ynyloxytetrahydrofuro[2,3-d][1,3]dioxole 1402436-29-6 C38H37BrO6
    5-[1-(2-bromobenzyloxy)-2-trityloxyethyl]-2,2-dimethyl-6-prop-2-ynyloxytetrahydrofuro[2,3-d][1,3]dioxole
    —— 5-(Butoxymethyl)-3-(4-nitrophenyl)-1,2-oxazole 1287686-88-7 C14H16N2O4
    5-(Butoxymethyl)-3-(4-nitrophenyl)-1,2-oxazole
    —— 5-[2-Oxo-2-p-tolyl-eth-(E)-ylidene]-3-phenyl-imidazolidine-2,4-dione 122975-90-0 C18H14N2O3
    5-[2-Oxo-2-p-tolyl-eth-(E)-ylidene]-3-phenyl-imidazolidine-2,4-dione
    —— 5-(2-chloro-6-methylquinolin-3-yl)-3-(4-chlorophenyl)-1H-pyrazole-1-carbothioamide 1393597-45-9 C20H14Cl2N4S
    5-(2-chloro-6-methylquinolin-3-yl)-3-(4-chlorophenyl)-1H-pyrazole-1-carbothioamide
    —— 5-[2-(1-hydroxycyclopentyl)ethynyl]-3-nitrothiophene-2-carboxylic acid methyl ester 947176-04-7 C13H13NO5S
    5-[2-(1-hydroxycyclopentyl)ethynyl]-3-nitrothiophene-2-carboxylic acid methyl ester
    —— 5-{3-[(1R,2R,3R,5R)-5-chloro-3-hydroxy-2-(8-hydroxy-oct-1-enyl)-cyclopentyl]-propyl}-thiophene-2-carboxylic acid 1150106-40-3 C21H31ClO4S
    5-{3-[(1R,2R,3R,5R)-5-chloro-3-hydroxy-2-(8-hydroxy-oct-1-enyl)-cyclopentyl]-propyl}-thiophene-2-carboxylic acid
    —— 5-(tert-Butyl)-1,2,2-trimethyl-3-(2,4,6-tribromphenyl)-4-imidazolidinon 93560-86-2 C16H21Br3N2O
    5-(tert-Butyl)-1,2,2-trimethyl-3-(2,4,6-tribromphenyl)-4-imidazolidinon
    —— 5α-Chlor3β-acetoxy-6β-hydroxy-20-oxo-pregnan 2685-61-2 C23H35ClO4
    5α-Chlor3β-acetoxy-6β-hydroxy-20-oxo-pregnan