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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(2-acetoxy-ethyl)-4-methyl-3<i>H</i>-thiazol-2-one 412307-97-2 C8H11NO3S
    5-(2-acetoxy-ethyl)-4-methyl-3<i>H</i>-thiazol-2-one
    —— 5α-cholestane-3β,5-diol 3-acetate 5-(4-iodophenyl)acetate 87899-29-4 C37H55IO4
    5α-cholestane-3β,5-diol 3-acetate 5-(4-iodophenyl)acetate
    —— 5,10,15,20-tetrakis(2,3-dihydroxyphenyl)porphyrin manganese(III) acetate 1309224-47-2 C46H31MnN4O10
    5,10,15,20-tetrakis(2,3-dihydroxyphenyl)porphyrin manganese(III) acetate
    —— 5-[(2S,3S,4R)-4-(N-mesylaminomethyl)-3-methoxyoxetan-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole 1354051-47-0 C15H19N3O5S
    5-[(2S,3S,4R)-4-(N-mesylaminomethyl)-3-methoxyoxetan-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole
    —— [5-butyl-10,20-bis(3-methoxyphenyl)-15-(phenylethynyl)porphyrinato]zinc(II) 1352929-38-4 C46H36N4O2Zn
    [5-butyl-10,20-bis(3-methoxyphenyl)-15-(phenylethynyl)porphyrinato]zinc(II)
    —— 5,7-Dibrom-2-methyl-8-(5-nitro-2-thiazolyl-2-oxy)-chinolin 53341-26-7 C13H7Br2N3O3S
    5,7-Dibrom-2-methyl-8-(5-nitro-2-thiazolyl-2-oxy)-chinolin
    —— 5-benzyloximethyl-furan-2-carboxylic acid-(3-dimethylamino-1,2-dimethyl-propyl ester) 110331-13-0 C20H27NO4
    5-benzyloximethyl-furan-2-carboxylic acid-(3-dimethylamino-1,2-dimethyl-propyl ester)
    —— [5-(Piperidine-1-sulfonyl)-quinolin-8-yloxy]-acetyl chloride 156692-66-9 C16H17ClN2O4S
    [5-(Piperidine-1-sulfonyl)-quinolin-8-yloxy]-acetyl chloride
    —— 5-[1-Phenyl-5-((E)-2-thiophen-2-yl-vinyl)-1H-pyrazol-3-yl]-3H-[1,3,4]oxadiazole-2-thione 174087-95-7 C17H12N4OS2
    5-[1-Phenyl-5-((E)-2-thiophen-2-yl-vinyl)-1H-pyrazol-3-yl]-3H-[1,3,4]oxadiazole-2-thione
    —— 5-Phenylpentyl 4-(2-difluoromethoxyphenyl)-1,4-dihydro-2,6-dimethyl-3-nitropyridine-5-carboxylate 123562-76-5 C26H28F2N2O5
    5-Phenylpentyl 4-(2-difluoromethoxyphenyl)-1,4-dihydro-2,6-dimethyl-3-nitropyridine-5-carboxylate
    —— 5-hydroxymethyl-3-(4-isopropylsulfanyl-phenyl)-oxazolidin-2-one 64589-94-2 C13H17NO3S
    5-hydroxymethyl-3-(4-isopropylsulfanyl-phenyl)-oxazolidin-2-one
    —— 5-Acetyl-3-nitro-2-piperidino-selenophen 17580-56-2 C11H14N2O3Se
    5-Acetyl-3-nitro-2-piperidino-selenophen
    —— 5-Brom-3-(2-pyridyl)-2,1-benzisoxazol 1563-58-2 C12H7BrN2O
    5-Brom-3-(2-pyridyl)-2,1-benzisoxazol
    —— 5-acetyl-1-(4-bromo-phenyl)-1<i>H</i>-pyrazole-3-carboxylic acid ethyl ester 40753-60-4 C14H13BrN2O3
    5-acetyl-1-(4-bromo-phenyl)-1<i>H</i>-pyrazole-3-carboxylic acid ethyl ester
    —— 5,6,7,8-Tetrahydro-1-methyl-2,4-(1H,3H)-chinazolindithion 33738-25-9 C9H12N2S2
    5,6,7,8-Tetrahydro-1-methyl-2,4-(1H,3H)-chinazolindithion
    —— 5-Brom-3-nitro-2-piperidino-selenophen 17861-14-2 C9H11BrN2O2Se
    5-Brom-3-nitro-2-piperidino-selenophen
    —— 5-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranos-5-ylsulfanyl)-1<i>H</i>-pyrimidine-2,4-dione 55274-67-4 C12H16N2O6S
    5-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranos-5-ylsulfanyl)-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-formyl-<i>O</i><sup>3'<sub>,<i>O</i></sub>5'</sup>-bis-(4-methyl-benzoyl)-2'-deoxy-uridine 29569-57-1 C26H24N2O8
    5-formyl-<i>O</i><sup>3'<sub>,<i>O</i></sub>5'</sup>-bis-(4-methyl-benzoyl)-2'-deoxy-uridine
    —— 5-(3-<N-Furfuryl-acetamino>-propyl)-2-amino-4-hydroxy-6-methyl-pyrimidin 17225-16-0 C15H20N4O3
    5-(3-<N-Furfuryl-acetamino>-propyl)-2-amino-4-hydroxy-6-methyl-pyrimidin
    —— 5-Amino-4-nitramino-pyridazin 1500-80-7 C4H5N5O2
    5-Amino-4-nitramino-pyridazin
    —— 5-Chlor-2-methylamino-1-(4-methoxy-phenylcarbamoyl)-benzol 1032-63-9 C15H15ClN2O2
    5-Chlor-2-methylamino-1-(4-methoxy-phenylcarbamoyl)-benzol
    —— 5-Hydroxy-5H-dibenzo[a,d]cycloheptene-5-carboxylic acid 8-methyl-8-aza-bicyclo[3.2.1]oct-3-yl ester 10541-16-9 C24H25NO3
    5-Hydroxy-5H-dibenzo[a,d]cycloheptene-5-carboxylic acid 8-methyl-8-aza-bicyclo[3.2.1]oct-3-yl ester
    —— 5-{2-benzyloxy-4-[3-(1,1-dioxotetrahydrothiophen-2-yl)-prop-1-ynyl]-phenyl}-1,1-dioxo-1,2,5-thiadiazolidin-3-one 1057342-03-6 C22H22N2O6S2
    5-{2-benzyloxy-4-[3-(1,1-dioxotetrahydrothiophen-2-yl)-prop-1-ynyl]-phenyl}-1,1-dioxo-1,2,5-thiadiazolidin-3-one
    —— 5-(4-tert-butoxycarbonyl-2-methylpiperazin-1-yl)-6-cyano-1-[2-(trimethylsilyl)ethoxymethyl]benzimidazole 626238-91-3 C24H37N5O3Si
    5-(4-tert-butoxycarbonyl-2-methylpiperazin-1-yl)-6-cyano-1-[2-(trimethylsilyl)ethoxymethyl]benzimidazole
    —— 5-methanesulfonyl-2-{4-[4-(2-phenyl-2<i>H</i>-[1,2,3]triazol-4-yl)-styryl]-phenyl}-benzooxazole 59099-16-0 C30H22N4O3S
    5-methanesulfonyl-2-{4-[4-(2-phenyl-2<i>H</i>-[1,2,3]triazol-4-yl)-styryl]-phenyl}-benzooxazole
    —— 5-{4-[2-(5-4'-Methoxyphenoxymethyl-2-oxooxazolidin-3-yl)propoxy]benzyl}thiazolidine-2,4-dione 175717-34-7 C24H26N2O7S
    5-{4-[2-(5-4'-Methoxyphenoxymethyl-2-oxooxazolidin-3-yl)propoxy]benzyl}thiazolidine-2,4-dione
    —— 5-methoxy-6-methyl-2-[4-(4-styryl-[1,2,3]triazol-2-yl)-phenyl]-2<i>H</i>-benzo[1,2,3]triazole 41427-99-0 C24H20N6O
    5-methoxy-6-methyl-2-[4-(4-styryl-[1,2,3]triazol-2-yl)-phenyl]-2<i>H</i>-benzo[1,2,3]triazole
    —— 5-(3-methyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid butylamide 40765-21-7 C9H15N5O2S
    5-(3-methyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid butylamide
    —— 5'-methyl-9-thioxo-9,10-dihydro-7H-spiro[benzo[f]pyrimido[4,5-b]quinoline-12,3'-indoline]-2',11(8H)-dione 1352535-17-1 C23H16N4O2S
    5'-methyl-9-thioxo-9,10-dihydro-7H-spiro[benzo[f]pyrimido[4,5-b]quinoline-12,3'-indoline]-2',11(8H)-dione
    —— 5-{4-Amino-1-[(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-5-yl}-2,3-dimethyl-[1,4]benzoquinone 151416-76-1 C29H47N3O6Si2
    5-{4-Amino-1-[(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-5-yl}-2,3-dimethyl-[1,4]benzoquinone
    —— 5-phenyl-1,4,6,5-oxadithiastibocane 104310-87-4 C10H13OS2Sb
    5-phenyl-1,4,6,5-oxadithiastibocane
    —— 5-heptadecyl-2-(o-methoxyphenylamino)-1,3,4-oxadiazole 1301179-43-0 C26H43N3O2
    5-heptadecyl-2-(o-methoxyphenylamino)-1,3,4-oxadiazole
    —— 5-[1-(benzo[b]thien-2-yl)ethyl]-2-(O-dimethylthiocarbamate)benzaldehyde 281191-12-6 C20H19NO2S2
    5-[1-(benzo[b]thien-2-yl)ethyl]-2-(O-dimethylthiocarbamate)benzaldehyde
    —— 5,6-epoxy-3-isopropyl-6-methyl-1-<(4-propylphenyl)oxy>hept-2-ene 123539-66-2 C20H30O2
    5,6-epoxy-3-isopropyl-6-methyl-1-<(4-propylphenyl)oxy>hept-2-ene
    —— 5-(4-methoxyphenyl)-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrano[4,3-d]pyrimidinium perchlorate 1201628-83-2 C16H15N2O4*ClO4
    5-(4-methoxyphenyl)-1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrano[4,3-d]pyrimidinium perchlorate
    —— 5-[4-(tert-butoxycarbonylaminobutyryloxy)acetyl]-2-hydroxybenzoic acid methyl ester 1292299-10-5 C19H25NO8
    5-[4-(tert-butoxycarbonylaminobutyryloxy)acetyl]-2-hydroxybenzoic acid methyl ester
    —— 5-(1,5-bis(trimethylsilyl)penta-1,4-diyn-3-ylidene)nona-3,6-diyne-1,9-diyl bis(4-(1,3,8,10-tetraoxo-9-(tridecan-7-yl)-3,8,9,10-tetrahydroanthra[2,1,9-def:6,5,10-d'e'f']diisoquinolin-2(1H)-yl)butanoate) 1142819-28-0 C102H108N4O12Si2
    5-(1,5-bis(trimethylsilyl)penta-1,4-diyn-3-ylidene)nona-3,6-diyne-1,9-diyl bis(4-(1,3,8,10-tetraoxo-9-(tridecan-7-yl)-3,8,9,10-tetrahydroanthra[2,1,9-def:6,5,10-d'e'f']diisoquinolin-2(1H)-yl)butanoate)
    —— 5-chloro-1-isopropyl-3-methanesulfonyloxy-1<i>H</i>-[1,2,4]triazole 55375-32-1 C6H10ClN3O3S
    5-chloro-1-isopropyl-3-methanesulfonyloxy-1<i>H</i>-[1,2,4]triazole
    —— 5-{[1-hydroxy-4-(1-phenyl-1<i>H</i>-tetrazol-5-ylsulfanyl)-naphthalene-2-carbonyl]-octadecyl-amino}-isophthalic acid dimethyl ester 5104-78-9 C46H57N5O6S
    5-{[1-hydroxy-4-(1-phenyl-1<i>H</i>-tetrazol-5-ylsulfanyl)-naphthalene-2-carbonyl]-octadecyl-amino}-isophthalic acid dimethyl ester
    —— 5-(5-chloro-1-(4-fluorophenyl)pentyl)-N-(3-fluoro-4-(5-methyl-1H-1,2,4-triazol-1-yl)phenyl)-1H-1,2,4-triazol-3-amine 1235495-20-1 C22H22ClF2N7
    5-(5-chloro-1-(4-fluorophenyl)pentyl)-N-(3-fluoro-4-(5-methyl-1H-1,2,4-triazol-1-yl)phenyl)-1H-1,2,4-triazol-3-amine
    —— 5-(3'-Aminophenethyl)-5-methylhydantoin 39896-40-7 C12H15N3O2
    5-(3'-Aminophenethyl)-5-methylhydantoin
    —— 5-[[3-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]-1-methyl-1H-1,2,4-triazol-5-yl]amino]-1-methyl-2(1H)-pyridinone 1262196-21-3 C20H21N7O2
    5-[[3-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]-1-methyl-1H-1,2,4-triazol-5-yl]amino]-1-methyl-2(1H)-pyridinone
    —— 5-amino-1-(4-chloro-phenyl)-3-ethyl-1<i>H</i>-pyrazole-4-carbonitrile 51516-73-5 C12H11ClN4
    5-amino-1-(4-chloro-phenyl)-3-ethyl-1<i>H</i>-pyrazole-4-carbonitrile
    —— 5-amino-4-bromo-6-(7-bromo-6-methoxy-5,8-dioxo-5,8-dihydro-quinolin-2-yl)-3-methyl-pyridine-2-carboxylic acid methyl ester 64463-32-7 C18H13Br2N3O5
    5-amino-4-bromo-6-(7-bromo-6-methoxy-5,8-dioxo-5,8-dihydro-quinolin-2-yl)-3-methyl-pyridine-2-carboxylic acid methyl ester
    —— 5(R)-methoxy-6(R)-hydroxy-5,6-dihydrobenz<a>anthracene 120056-75-9 C19H16O2
    5(R)-methoxy-6(R)-hydroxy-5,6-dihydrobenz<a>anthracene
    —— 5'-O-(4,4'-dimethoxytrityl)-5-(pyridin-3-yl-ethylenyl)-2'-deoxyuridine 500907-32-4 C37H37N3O7
    5'-O-(4,4'-dimethoxytrityl)-5-(pyridin-3-yl-ethylenyl)-2'-deoxyuridine
    —— 5'-fluoro-2'-methoxy-3-(trifluoromethyl)biphenyl-4-yl phenyl sulfone 933062-63-6 C20H14F4O3S
    5'-fluoro-2'-methoxy-3-(trifluoromethyl)biphenyl-4-yl phenyl sulfone
    —— 5-iodo-1,2,3,4-tetraphenyl-cyclopenta-1,3-diene 102344-69-4 C29H21I
    5-iodo-1,2,3,4-tetraphenyl-cyclopenta-1,3-diene
    —— 5-Butyl-1-(3-trifluormethylphenyl)-1,2,3-triazol 64215-01-6 C13H14F3N3
    5-Butyl-1-(3-trifluormethylphenyl)-1,2,3-triazol
    —— 5,5-dimethyl-5,6,8,8a-tetrahydrooxazolo[4,3-c]-[1,4]oxazin-3(1H)-one 1309455-53-5 C8H13NO3
    5,5-dimethyl-5,6,8,8a-tetrahydrooxazolo[4,3-c]-[1,4]oxazin-3(1H)-one