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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(γ-Cyano-β-hydroxypropyl)-1-pyrrolin-1-oxid 70625-15-9 C8H12N2O2
    5-(γ-Cyano-β-hydroxypropyl)-1-pyrrolin-1-oxid
    —— 5,5-Dimethyl-2-(2-phenylethyl)-1,3-dioxane 5445-66-9 C14H20O2
    5,5-Dimethyl-2-(2-phenylethyl)-1,3-dioxane
    —— 5-(2-Diethylamino-ethyl)-2-methyl-1H-indole-3-carboxylic acid benzyl ester hydrochloride 459450-12-5 C23H28N2O2*ClH
    5-(2-Diethylamino-ethyl)-2-methyl-1H-indole-3-carboxylic acid benzyl ester hydrochloride
    —— 5-Bromo-2-dodecyloxy-benzoic acid 62176-21-0 C19H29BrO3
    5-Bromo-2-dodecyloxy-benzoic acid
    —— (5R,8aR)-5,8a-diphenyl-octahydroindolizine 1345894-10-1 C20H23N
    (5R,8aR)-5,8a-diphenyl-octahydroindolizine
    —— (5-(azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl)methanol 1158602-84-6 C8H15N3O3
    (5-(azidomethyl)-2,2-dimethyl-1,3-dioxan-5-yl)methanol
    —— 5-Chloro-1-propoxy-1,2,3-benzotriazol 68229-96-9 C9H10ClN3O
    5-Chloro-1-propoxy-1,2,3-benzotriazol
    —— 5,7-Dimethyl(1,2,4)triazolo(3,4-b)(1,3)benzothiazole 68925-82-6 C10H9N3S
    5,7-Dimethyl(1,2,4)triazolo(3,4-b)(1,3)benzothiazole
    —— 5-acetoxy-3-acetyl-1-propyl-5,6,7,8-tetrahydro-2-naphtol 116471-95-5 C17H22O4
    5-acetoxy-3-acetyl-1-propyl-5,6,7,8-tetrahydro-2-naphtol
    —— 5-(2-tert-butoxycarbonylamino ethyl)-2-methyl-1H-indole-3-carboxylic acid benzyl ester 459450-10-3 C24H28N2O4
    5-(2-tert-butoxycarbonylamino ethyl)-2-methyl-1H-indole-3-carboxylic acid benzyl ester
    —— 5-methyl-2-(prop-2-yn-1-yl)cyclohex-2-enone 1419375-05-5 C10H12O
    5-methyl-2-(prop-2-yn-1-yl)cyclohex-2-enone
    —— 5'-(2,5-difluorophenyl)spiro[2,3-dihydro-1H-naphthalene-4,2'-3H-1,3,4-thiadiazole] 1146210-61-8 C17H14F2N2S
    5'-(2,5-difluorophenyl)spiro[2,3-dihydro-1H-naphthalene-4,2'-3H-1,3,4-thiadiazole]
    —— 5-(2-amino-ethyl)-2-methyl-1H-indole-3-carboxylic acid benzyl ester hydrochloride 459450-11-4 C19H20N2O2*ClH
    5-(2-amino-ethyl)-2-methyl-1H-indole-3-carboxylic acid benzyl ester hydrochloride
    —— 5-Chloro-1-butoxy-1,2,3-benzotriazol 68229-97-0 C10H12ClN3O
    5-Chloro-1-butoxy-1,2,3-benzotriazol
    —— 5-Chloro-1-methoxy-1,2,3-benzotriazol 68229-94-7 C7H6ClN3O
    5-Chloro-1-methoxy-1,2,3-benzotriazol
    —— 5-but-3-ynyl-2-methyl-2H-tetrazole 954371-25-6 C6H8N4
    5-but-3-ynyl-2-methyl-2H-tetrazole
    —— 5-(1,3-dithiolan-2-ylidene)-1-(4-methoxyphenyl)-3,3-dimethylpiperidine-2,4,6-trione 1599431-65-8 C17H17NO4S2
    5-(1,3-dithiolan-2-ylidene)-1-(4-methoxyphenyl)-3,3-dimethylpiperidine-2,4,6-trione
    —— 5-Methyl-7-chlor-imidazo<1,2-c>pyrimidin-2-aethylacetat 61830-73-7 C11H12ClN3O2
    5-Methyl-7-chlor-imidazo<1,2-c>pyrimidin-2-aethylacetat
    —— 5,5,6-trimethyl-5,6-dihydro-benzo[<i>c</i>]acridin-6-ol 56969-66-5 C20H19NO
    5,5,6-trimethyl-5,6-dihydro-benzo[<i>c</i>]acridin-6-ol
    —— 5-(but-3-yn-1-yl)-1H-tetrazole 954371-22-3 C5H6N4
    5-(but-3-yn-1-yl)-1H-tetrazole
    —— 5-(bis(ethylthio)methylene)-3,3-dimethyl-1-p-tolylpiperidine-2,4,6-trione 1599431-59-0 C19H23NO3S2
    5-(bis(ethylthio)methylene)-3,3-dimethyl-1-p-tolylpiperidine-2,4,6-trione
    —— [5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxynaphthalen-1-yl] N-methylcarbamate 50680-17-6 C18H21NO8
    [5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxynaphthalen-1-yl] N-methylcarbamate
    —— 5,5-Dimethyl-7-acetoxy-5,6-dihydro-benz<c>acridin 22776-62-1 C21H19NO2
    5,5-Dimethyl-7-acetoxy-5,6-dihydro-benz<c>acridin
    —— 5-(p-chlorobenzylsulfonylmethyl)-2-(4,5-dihydro-4-phenyl-1H-pyrazol-3-yl)-1,3,4-oxadiazole 1218776-14-7 C19H17ClN4O3S
    5-(p-chlorobenzylsulfonylmethyl)-2-(4,5-dihydro-4-phenyl-1H-pyrazol-3-yl)-1,3,4-oxadiazole
    —— (5S,6S,7S,8S)-6,7-O-isopropylidene-5,8-di-O-methanesulfonyl-5,6,7,8-dodecanetetraol 216855-45-7 C17H34O8S2
    (5S,6S,7S,8S)-6,7-O-isopropylidene-5,8-di-O-methanesulfonyl-5,6,7,8-dodecanetetraol
    —— 5-Isopropylthio-3-methylhydantoin 64732-01-0 C7H12N2O2S
    5-Isopropylthio-3-methylhydantoin
    —— 5-chloro-2-{(S)-1-[(3R,4S)-4-(4-chloro-phenyl)-pyrrolidin-3-yl]-ethoxy}-pyridine 1115962-13-4 C17H18Cl2N2O
    5-chloro-2-{(S)-1-[(3R,4S)-4-(4-chloro-phenyl)-pyrrolidin-3-yl]-ethoxy}-pyridine
    —— 5-nonyl-benzo[1,3]dioxole 28437-30-1 C16H24O2
    5-nonyl-benzo[1,3]dioxole
    —— (5-t-butyl-oxazol-2-ylmethyl)-phosphonic acid diethyl ester 352533-38-1 C12H22NO4P
    (5-t-butyl-oxazol-2-ylmethyl)-phosphonic acid diethyl ester
    —— (5-Bromo-pyridin-2-yl)-[5-(5-tert-butyl-oxazol-2-ylmethylsulfanyl)-thiazol-2-yl]-amine 350510-40-6 C16H17BrN4OS2
    (5-Bromo-pyridin-2-yl)-[5-(5-tert-butyl-oxazol-2-ylmethylsulfanyl)-thiazol-2-yl]-amine
    —— 5,5-Diphenyl-α-benzamidobutyrolacton 58178-33-9 C23H19NO3
    5,5-Diphenyl-α-benzamidobutyrolacton
    —— 5-(4,5,6,7-tetrahydrobenzo<b>thien-2-yl)thiophene-2-carbonic acid chloride 218606-66-7 C13H11ClOS2
    5-(4,5,6,7-tetrahydrobenzo<b>thien-2-yl)thiophene-2-carbonic acid chloride
    —— (5S,6R,7R,8S)-6,7-O-isopropylidene-5,6,7,8-dodecanetetraol 216855-41-3 C15H30O4
    (5S,6R,7R,8S)-6,7-O-isopropylidene-5,6,7,8-dodecanetetraol
    —— 5-benzoyl-4-thio-hydantoic acid cyclohexylamide 131868-18-3 C16H21N3O2S
    5-benzoyl-4-thio-hydantoic acid cyclohexylamide
    —— (5E)-1-(2-Chlorophenyl)-3-(4-ethoxyphenyl)-5-[2-(2-methoxyphenyl)hydrazinylidene]-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione 76153-47-4 C25H21ClN4O4S
    (5E)-1-(2-Chlorophenyl)-3-(4-ethoxyphenyl)-5-[2-(2-methoxyphenyl)hydrazinylidene]-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione
    —— 5-Benzenesulfonyl-6-methylene-bicyclo[2.2.1]hept-2-ene 885945-71-1 C14H14O2S
    5-Benzenesulfonyl-6-methylene-bicyclo[2.2.1]hept-2-ene
    —— (5E)-1-(2-Chlorophenyl)-3-(4-chlorophenyl)-5-[2-(2-chlorophenyl)hydrazinylidene]-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione 76153-15-6 C22H13Cl3N4O2S
    (5E)-1-(2-Chlorophenyl)-3-(4-chlorophenyl)-5-[2-(2-chlorophenyl)hydrazinylidene]-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione
    —— 5-decyl-5-(2-methyl-allyl)-pyrimidine-2,4,6-trione 52625-90-8 C18H30N2O3
    5-decyl-5-(2-methyl-allyl)-pyrimidine-2,4,6-trione
    —— 5-(Carboxymethylamino)-4-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]-5-oxopentanoic acid 71177-43-0 C22H25N9O6
    5-(Carboxymethylamino)-4-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]-5-oxopentanoic acid
    —— 5-Fluoro-3-(tetrahydro-pyran-2-yl)-1H-pyrimidine-2,4-dione 68321-48-2 C9H11FN2O3
    5-Fluoro-3-(tetrahydro-pyran-2-yl)-1H-pyrimidine-2,4-dione
    —— 5-butyl-5-decyl-pyrimidine-2,4,6-trione 52625-86-2 C18H32N2O3
    5-butyl-5-decyl-pyrimidine-2,4,6-trione
    —— (5E)-1-(2-Chlorophenyl)-5-[2-(4-methoxyphenyl)hydrazinylidene]-3-(4-methylphenyl)-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione 76153-51-0 C24H19ClN4O3S
    (5E)-1-(2-Chlorophenyl)-5-[2-(4-methoxyphenyl)hydrazinylidene]-3-(4-methylphenyl)-2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione
    —— 5-(Hydroxymethyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid 91912-31-1 C6H6N2O5
    5-(Hydroxymethyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
    —— 5-ethyl-3,3,10,10-tetramethyl-1,2-dithia-5,8-diazacyclodecane 142991-42-2 C12H26N2S2
    5-ethyl-3,3,10,10-tetramethyl-1,2-dithia-5,8-diazacyclodecane
    —— {5-chloro-6-fluoro-2-methyl-3-[4-(morpholine-4-sulfonyl)phenylsulfanyl]indolizin-1-yl}acetic acid ethyl ester 917761-22-9 C23H24ClFN2O5S2
    {5-chloro-6-fluoro-2-methyl-3-[4-(morpholine-4-sulfonyl)phenylsulfanyl]indolizin-1-yl}acetic acid ethyl ester
    —— 5-hydroxymethyl-3-(4-methoxyphenyl)-1,2,4-thiadiazole 1068106-46-6 C10H10N2O2S
    5-hydroxymethyl-3-(4-methoxyphenyl)-1,2,4-thiadiazole
    —— 5'-O-[(2-cyano-1-phenylethoxy)carbonyl]-N<sup>6</sup>-{[2-(4-nitrophenyl)ethoxy]carbonyl}-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenosine 3'-2-(4-nitrophenyl)ethyl diisopropylphosphoramidite 195881-28-8 C49H58N9O15P
    5'-O-[(2-cyano-1-phenylethoxy)carbonyl]-N<sup>6</sup>-{[2-(4-nitrophenyl)ethoxy]carbonyl}-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenosine 3'-2-(4-nitrophenyl)ethyl diisopropylphosphoramidite
    —— 5,10-diacetoxy-3-hydroxy-2-methyl-2,3-dihydro-benzo[<i>g</i>]chromen-4-one 906721-66-2 C18H16O7
    5,10-diacetoxy-3-hydroxy-2-methyl-2,3-dihydro-benzo[<i>g</i>]chromen-4-one
    —— 5-amino-4-cyano-3-methoxycarbonyl-3-trifluoromethyl-1-phenyl-4-pyrazoline 134641-46-6 C13H11F3N4O2
    5-amino-4-cyano-3-methoxycarbonyl-3-trifluoromethyl-1-phenyl-4-pyrazoline
    —— 5-<i>tert</i>-butyl-2-chloro-[1,3,2]dioxarsinane 60507-05-3 C7H14AsClO2
    5-<i>tert</i>-butyl-2-chloro-[1,3,2]dioxarsinane