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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Ethyl-1,4-oxazepane hydrochloride 2229274-92-2 C7H16ClNO
    5-Ethyl-1,4-oxazepane hydrochloride
    —— [5-(difluoromethyl)thiazole-2-carbonyl]oxylithium 2248333-53-9 C5H2F2NO2S*Li
    [5-(difluoromethyl)thiazole-2-carbonyl]oxylithium
    —— 5-{(1R)-2-[(2-{(3R)-3-[(benzyloxy)methyl]-2,3-dihydro-1,4-benzodioxin-6-yl}ethyl)amino]-1-hydroxyethyl}-2-hydroxyphenylformamide 686780-01-8 C27H30N2O6
    5-{(1R)-2-[(2-{(3R)-3-[(benzyloxy)methyl]-2,3-dihydro-1,4-benzodioxin-6-yl}ethyl)amino]-1-hydroxyethyl}-2-hydroxyphenylformamide
    —— (5R)-5-[(1S)-2-amino-1-hydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one hydrochloride 2137033-83-9 C6H10ClNO5
    (5R)-5-[(1S)-2-amino-1-hydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one hydrochloride
    —— 5.6-Epoxy-2-<1-hydroxy-2-methyl-propyl>-bicyclo<2.2.1>heptan 25564-42-5 C11H18O2
    5.6-Epoxy-2-<1-hydroxy-2-methyl-propyl>-bicyclo<2.2.1>heptan
    —— 5-ethoxycarbonyl-4-methoxy-6-(2-phenylethyl)-2-pyrone 125659-74-7 C17H18O5
    5-ethoxycarbonyl-4-methoxy-6-(2-phenylethyl)-2-pyrone
    —— 5-(4-Fluoro-phenyl)-2-(3-methyl-thioureido)-thiophene-3-carboxylic acid amide 412914-55-7 C13H12FN3OS2
    5-(4-Fluoro-phenyl)-2-(3-methyl-thioureido)-thiophene-3-carboxylic acid amide
    —— 5-[(2S)-6-methylhept-5-en-2-yl]-2-(4-methylpiperidin-1-yl)-4-thiophen-2-ylbenzonitrile 1151916-52-7 C25H32N2S
    5-[(2S)-6-methylhept-5-en-2-yl]-2-(4-methylpiperidin-1-yl)-4-thiophen-2-ylbenzonitrile
    —— 5-[1-Methyl-hept-2-yn-(E)-ylidene]-dihydro-furan-2-one 142337-69-7 C12H16O2
    5-[1-Methyl-hept-2-yn-(E)-ylidene]-dihydro-furan-2-one
    —— (5R,7R,8R)-7-(hydroxymethyl)-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-8-ol 123539-23-1 C20H23NO7
    (5R,7R,8R)-7-(hydroxymethyl)-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-8-ol
    —— [[5,15-bis(4-allyloxyphenyl)-10-ethynyl-20-(trihexylsilyl)ethynyl]-21H,23H-porphinato]zinc 1055877-98-9 C60H66N4O2SiZn
    [[5,15-bis(4-allyloxyphenyl)-10-ethynyl-20-(trihexylsilyl)ethynyl]-21H,23H-porphinato]zinc
    —— 5-amino-4-(4,6-dimethyl-2-pyrimidinyl)-2,3-dihydro-2-benzyl-1H-pyrrol-3-one 1224936-54-2 C17H18N4O
    5-amino-4-(4,6-dimethyl-2-pyrimidinyl)-2,3-dihydro-2-benzyl-1H-pyrrol-3-one
    —— 5-cyano-2-ethoxy-1H-1,3-diazepine 1139703-63-1 C8H9N3O
    5-cyano-2-ethoxy-1H-1,3-diazepine
    —— 5-bromo-3'-(phenylamino)-1'H-spiro[indoline-3,2'-quinazoline]-2,4'(3'H)-dione 1527504-70-6 C21H15BrN4O2
    5-bromo-3'-(phenylamino)-1'H-spiro[indoline-3,2'-quinazoline]-2,4'(3'H)-dione
    —— 5-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-benzo[1,2,5]thiadiazole 356559-87-0 C19H19N5S
    5-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-benzo[1,2,5]thiadiazole
    —— 5-(Benzo[d]thiazol-2-yl)-6-((1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentylamino)pyrimidine-2,4(1H,3H)-dione-HCl 1433148-98-1 C17H18N4O5S*ClH
    5-(Benzo[d]thiazol-2-yl)-6-((1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentylamino)pyrimidine-2,4(1H,3H)-dione-HCl
    —— 5-(1,3-benzothiazol-2-yl)-4-[[(1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl]amino]-2-(propan-2-ylamino)-1H-pyrimidin-6-one;hydrochloride 1433148-90-3 C20H25N5O4S*ClH
    5-(1,3-benzothiazol-2-yl)-4-[[(1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl]amino]-2-(propan-2-ylamino)-1H-pyrimidin-6-one;hydrochloride
    —— 5-(propan-2-yloxy)quinoline-8-sulfonyl chloride 1699278-82-4 C12H12ClNO3S
    5-(propan-2-yloxy)quinoline-8-sulfonyl chloride
    —— 5-cyclopropyl-2-(3-trifluoromethyl-phenyl)-2,4-dihydro-pyrazol-3-one 1057093-40-9 C13H11F3N2O
    5-cyclopropyl-2-(3-trifluoromethyl-phenyl)-2,4-dihydro-pyrazol-3-one
    —— (5S,6S)-6-acetamido-5-((Z)-2,3-bis(tert-butoxycarbonyl)guanidino)-1-(2-ethylbutanoyl)-1,2,5,6-tetrahydropyridine-3-carboxylic acid 315700-30-2 C25H41N5O8
    (5S,6S)-6-acetamido-5-((Z)-2,3-bis(tert-butoxycarbonyl)guanidino)-1-(2-ethylbutanoyl)-1,2,5,6-tetrahydropyridine-3-carboxylic acid
    —— 5'-O-<<2-(cholest-5-en-3β-yloxycarbonyl)ethyl>carbonyl>-3'-deoxy-N<sup>6</sup>-<2-(4-nitrophenyl)ethoxycarbonyl>adenosine 162434-91-5 C50H68N6O10
    5'-O-<<2-(cholest-5-en-3β-yloxycarbonyl)ethyl>carbonyl>-3'-deoxy-N<sup>6</sup>-<2-(4-nitrophenyl)ethoxycarbonyl>adenosine
    —— (5Z,7E)-(1S,3R,24aS)-24a-fluoro-24a-(thiazol-2-yl)-24a-homo-9,10-secochola-5,7,10(19)-triene-1,3-diol 321911-89-1 C28H40FNO2S
    (5Z,7E)-(1S,3R,24aS)-24a-fluoro-24a-(thiazol-2-yl)-24a-homo-9,10-secochola-5,7,10(19)-triene-1,3-diol
    —— (5R)-4-[(S)-2-(1-methoxy-1-ethylpropyl)pyrrolidin-1-yl]-5-[(S)-cyclohexyl(hydroxy)methyl]-1-(4-methoxybenzyl)-2,5-dihydro-1H-2-azolone 1235303-44-2 C29H44N2O4
    (5R)-4-[(S)-2-(1-methoxy-1-ethylpropyl)pyrrolidin-1-yl]-5-[(S)-cyclohexyl(hydroxy)methyl]-1-(4-methoxybenzyl)-2,5-dihydro-1H-2-azolone
    —— 5-iodo-1-methyl-2-pivaloylamino-4-pyrimidinone 1193570-03-4 C10H14IN3O2
    5-iodo-1-methyl-2-pivaloylamino-4-pyrimidinone
    —— 5.5-Dimethyl-4-phenyl-1-pyrrolin 43051-83-8 C12H15N
    5.5-Dimethyl-4-phenyl-1-pyrrolin
    —— 5-Amino-3-phenyl-1β-cyanopropylpyrazol 57695-54-2 C13H14N4
    5-Amino-3-phenyl-1β-cyanopropylpyrazol
    —— (5S,10bS)-10b-methyl-3-oxo-1,2,3,5,6,10b-hexahydropyrrolo[2,1-a]isoquinoline-5-carbaldehyde 353751-82-3 C14H15NO2
    (5S,10bS)-10b-methyl-3-oxo-1,2,3,5,6,10b-hexahydropyrrolo[2,1-a]isoquinoline-5-carbaldehyde
    —— (5R)-2-Methyl-3-<(E)-2-methyl-1-hexenyl>-5-(1-methylethenyl)cyclohexanone 140926-69-8 C17H28O
    (5R)-2-Methyl-3-<(E)-2-methyl-1-hexenyl>-5-(1-methylethenyl)cyclohexanone
    —— 5,6-Diethylspiro<2,4>hept-5-ene-2,4-dione 127558-76-3 C11H14O2
    5,6-Diethylspiro<2,4>hept-5-ene-2,4-dione
    —— (5α,9α)-2-chloro-6,9-dihydro-5,9-methano-5H-benzo[7]annulen-10-one 176751-27-2 C12H9ClO
    (5α,9α)-2-chloro-6,9-dihydro-5,9-methano-5H-benzo[7]annulen-10-one
    —— 5,7-Dimethyl-1,3-diphenyl-thieno[3',4':4,5]benzo[1,2-c]furan-4,8-dione 56357-18-7 C24H16O3S
    5,7-Dimethyl-1,3-diphenyl-thieno[3',4':4,5]benzo[1,2-c]furan-4,8-dione
    —— 5-Methyl-1,3-pyrroldicarboxylsaeurediethylester 91248-32-7 C11H15NO4
    5-Methyl-1,3-pyrroldicarboxylsaeurediethylester
    —— 5-Methyl-α-methyl-tryptophan-ethylester 92648-60-7 C15H20N2O2
    5-Methyl-α-methyl-tryptophan-ethylester
    —— 5-Carbamoylmethylmercapto-2-phenyl-pyrimidin 91396-99-5 C12H11N3OS
    5-Carbamoylmethylmercapto-2-phenyl-pyrimidin
    —— 5-methyl-2-(1-pyrenyl)-5-(2-phenylprop-2-ylperoxy)-3-hexyn-2-ol 1057963-47-9 C32H30O3
    5-methyl-2-(1-pyrenyl)-5-(2-phenylprop-2-ylperoxy)-3-hexyn-2-ol
    —— 5-Chlor-N'-(phenylmethylen)-2-indolcarbohydrazid 97132-93-9 C16H12ClN3O
    5-Chlor-N'-(phenylmethylen)-2-indolcarbohydrazid
    —— {5"-[3-(4-tert-butyl-piperazin-1-ylmethyl)-phenyl]-[2,2';4',3"]terpyridin-6'-yl}-cyclopentyl-amine 1171042-68-4 C35H42N6
    {5"-[3-(4-tert-butyl-piperazin-1-ylmethyl)-phenyl]-[2,2';4',3"]terpyridin-6'-yl}-cyclopentyl-amine
    —— 5-[2-(tert-butoxycarbonylamino)ethylsulfinyl]imidazo[1,2-a]pyridine 141494-95-3 C14H19N3O3S
    5-[2-(tert-butoxycarbonylamino)ethylsulfinyl]imidazo[1,2-a]pyridine
    —— (5Z,7E,22E)-(1S,3R,24S)-1,3-bis[[dimethyl(1,1-dimethylethyl)silyl]oxy]-25-ethyl-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraen-24-ol 223108-55-2 C41H72O3Si2
    (5Z,7E,22E)-(1S,3R,24S)-1,3-bis[[dimethyl(1,1-dimethylethyl)silyl]oxy]-25-ethyl-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraen-24-ol
    —— 5-phenoxymethyl-furan-2-carboxylic acid-(3-dimethylamino-1,2-dimethyl-propyl ester) 110247-10-4 C19H25NO4
    5-phenoxymethyl-furan-2-carboxylic acid-(3-dimethylamino-1,2-dimethyl-propyl ester)
    —— 5,7-difluoro-6-iodo-1,3,3-trimethyl-1,3-dihydro-indol-2-one 1581754-14-4 C11H10F2INO
    5,7-difluoro-6-iodo-1,3,3-trimethyl-1,3-dihydro-indol-2-one
    —— 5<i>H</i>-cyclohepta[<i>b</i>]quinoxaline; compound with 6-hydroxy-7-oxo-cyclohepta-1,3,5-trienecarboxylic acid 113184-95-5 C8H6O4*C13H10N2
    5<i>H</i>-cyclohepta[<i>b</i>]quinoxaline; compound with 6-hydroxy-7-oxo-cyclohepta-1,3,5-trienecarboxylic acid
    —— 5-[N-(4-amidinobenzoyl)-L-O-benzyltyrosyl]-4,5,6,7-tetrahydropyrazolo[4,3-c]pyridin-2-acetic acid 220387-38-2 C32H32N6O5
    5-[N-(4-amidinobenzoyl)-L-O-benzyltyrosyl]-4,5,6,7-tetrahydropyrazolo[4,3-c]pyridin-2-acetic acid
    —— 5,6-Dihydro-4-(α-hydroxy-4-nitrobenzyl)-6-methoxy-2H-pyran-3(4H)-on 130084-69-4 C13H15NO6
    5,6-Dihydro-4-(α-hydroxy-4-nitrobenzyl)-6-methoxy-2H-pyran-3(4H)-on
    —— [5-(allyloxycarbonylamino)-6-cyano-6-(tert-butyl-dimethylsilyloxy)-hexyl]-carbamic acid tert-butyl ester 885125-85-9 C22H41N3O5Si
    [5-(allyloxycarbonylamino)-6-cyano-6-(tert-butyl-dimethylsilyloxy)-hexyl]-carbamic acid tert-butyl ester
    —— 5-(4-(3-bromopropoxy)-3,5-dimethylphenyl)-N-butyl-1,3,4-thiadiazol-2-amine 1282613-64-2 C17H24BrN3OS
    5-(4-(3-bromopropoxy)-3,5-dimethylphenyl)-N-butyl-1,3,4-thiadiazol-2-amine
    —— 5-(dimethylamino)-2-ethyl-1H-isoindole-1,3(2H)-dione 1630941-14-8 C12H14N2O2
    5-(dimethylamino)-2-ethyl-1H-isoindole-1,3(2H)-dione
    —— 5-amino-3-(4-chlorophenylazo)-2-methyl-7-(pyridin-3-yl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile 1391867-10-9 C19H13ClN8
    5-amino-3-(4-chlorophenylazo)-2-methyl-7-(pyridin-3-yl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile
    —— (5Z,13E)-15-hydroxyicosa-5,13-dien-11-ynoic acid 636590-46-0 C20H32O3
    (5Z,13E)-15-hydroxyicosa-5,13-dien-11-ynoic acid
    —— 5-Amino-4-(3-methoxy-4-phenylsulfanyl-phenyl)-pyrazole-1-carboxylic acid amide 197894-19-2 C17H16N4O2S
    5-Amino-4-(3-methoxy-4-phenylsulfanyl-phenyl)-pyrazole-1-carboxylic acid amide