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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Methyl-[1,3]oxathiole 3-oxide 38709-95-4 C4H6O2S
    5-Methyl-[1,3]oxathiole 3-oxide
    —— 5-(hydroxymethyl)-1-methyl-4-<<(4-methylphenyl)methyl>thio>imidazole 122174-40-7 C13H16N2OS
    5-(hydroxymethyl)-1-methyl-4-<<(4-methylphenyl)methyl>thio>imidazole
    —— <5-chloro-2-(4-hydroxy-1-butynyl)phenyl>(2-fluorophenyl)methanone 83949-02-4 C17H12ClFO2
    <5-chloro-2-(4-hydroxy-1-butynyl)phenyl>(2-fluorophenyl)methanone
    —— 5-<3-(4-methylpiperazin-1-yl)-n-propyl>-5H-pyrrolo<1,2-b><1,2,5>benzotriazepine 127786-53-2 C19H25N5
    5-<3-(4-methylpiperazin-1-yl)-n-propyl>-5H-pyrrolo<1,2-b><1,2,5>benzotriazepine
    —— 5-[3-(5-nitro-furan-2-yl)-allylidene]-3-phenyl-2-thioxo-thiazolidin-4-one 37530-73-7 C16H10N2O4S2
    5-[3-(5-nitro-furan-2-yl)-allylidene]-3-phenyl-2-thioxo-thiazolidin-4-one
    —— 5-ethyl-3,3-dimethyl-8-(3-((4-(trifluoromethyl)phenyl)sulfonyl)tetrahydrofuran-3-yl)-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one 1563205-51-5 C24H26F3NO5S
    5-ethyl-3,3-dimethyl-8-(3-((4-(trifluoromethyl)phenyl)sulfonyl)tetrahydrofuran-3-yl)-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one
    —— 5-methoxy-2,6,7-trimethyl-indole-3-carboxylic acid ethyl ester 49710-45-4 C15H19NO3
    5-methoxy-2,6,7-trimethyl-indole-3-carboxylic acid ethyl ester
    —— 5-Diaminomethylene-1,3,4-trimethyl-2,6-dioxo-4-phenyl-piperidine-3-carbonitrile 55842-31-4 C16H18N4O2
    5-Diaminomethylene-1,3,4-trimethyl-2,6-dioxo-4-phenyl-piperidine-3-carbonitrile
    —— 5-[4-(4-chloro-benzenesulfonyl)-6-(3-methyl-anilino)-[1,3,5]triazin-2-ylamino]-2-hydroxy-benzoic acid 61513-24-4 C23H18ClN5O5S
    5-[4-(4-chloro-benzenesulfonyl)-6-(3-methyl-anilino)-[1,3,5]triazin-2-ylamino]-2-hydroxy-benzoic acid
    —— 5-Aethyl-5-(4-pyridylmethyl)hydantoin 42768-33-2 C11H13N3O2
    5-Aethyl-5-(4-pyridylmethyl)hydantoin
    —— 5-(2-amino-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-N-(4-(trifluoromethyl)phenyl)pyridine-3-sulfonamide 1159823-09-2 C18H13F3N6O2S
    5-(2-amino-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-N-(4-(trifluoromethyl)phenyl)pyridine-3-sulfonamide
    —— 5-(4-ethoxyphenyl)-3-(3-nitrophenyl)-3a,4,6,6a-tetrahydro-4H,6H-pyrrolo[3,4-d]isoxazoline-4,6-dione 1197921-27-9 C19H15N3O6
    5-(4-ethoxyphenyl)-3-(3-nitrophenyl)-3a,4,6,6a-tetrahydro-4H,6H-pyrrolo[3,4-d]isoxazoline-4,6-dione
    —— 5-amino-1-(6-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl)-1<i>H</i>-pyrazole-4-carboxylic acid ethyl ester 92788-25-5 C11H13N5O3
    5-amino-1-(6-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl)-1<i>H</i>-pyrazole-4-carboxylic acid ethyl ester
    —— (5-amino-2-nitro-phenylsulfanyl)-acetic acid 21762-36-7 C8H8N2O4S
    (5-amino-2-nitro-phenylsulfanyl)-acetic acid
    —— 5-fluoro-3-{(1R)-1-[3-(3-methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2-oxo-N-1,2,4-thiadiazol-5-yl-2,3-dihydro-1,3-benzooxazole-6-sulfonamide 1432513-64-8 C21H17FN6O4S2
    5-fluoro-3-{(1R)-1-[3-(3-methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2-oxo-N-1,2,4-thiadiazol-5-yl-2,3-dihydro-1,3-benzooxazole-6-sulfonamide
    —— 5-Brom-1-phenyl-5,6-dihydrocytosin 28461-41-8 C10H10BrN3O
    5-Brom-1-phenyl-5,6-dihydrocytosin
    —— 5-Deoxy-5-(<9-tetrahydropyranyl-(2)-purinyl-(6)>-amino)-2.3-O-isopropyliden-methyl-β-D-ribofuranosid 14131-78-3 C19H27N5O5
    5-Deoxy-5-(<9-tetrahydropyranyl-(2)-purinyl-(6)>-amino)-2.3-O-isopropyliden-methyl-β-D-ribofuranosid
    —— (5R, 11S, 13S, E)-13-(benzyloxy)-11-((tert-butyldimethylsilyl)oxy)-3,3-diethyl-5-((S)-hexan-2-yl)-17,17,18,18-tetramethyl-4,16-dioxa-3,17-disilanonadec-8-en-7-one 1337552-69-8 C42H80O5Si3
    (5R, 11S, 13S, E)-13-(benzyloxy)-11-((tert-butyldimethylsilyl)oxy)-3,3-diethyl-5-((S)-hexan-2-yl)-17,17,18,18-tetramethyl-4,16-dioxa-3,17-disilanonadec-8-en-7-one
    —— 5-acetoxy-2-(7-acetoxyheptyl)cyclopent-2-enone 52087-12-4 C16H24O5
    5-acetoxy-2-(7-acetoxyheptyl)cyclopent-2-enone
    —— 5-cyclohexyl-2-phenyl-isoxazol-3-one 33542-60-8 C15H17NO2
    5-cyclohexyl-2-phenyl-isoxazol-3-one
    —— 5-Brom-1,2,3,4-tetraphenylcyclopentadien 33924-69-5 C29H21Br
    5-Brom-1,2,3,4-tetraphenylcyclopentadien
    —— 5-[7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-4,7-diazaspiro[2.5]octane-4-carbonyl]-1H-pyridin-2-one 1261354-66-8 C18H18N6O2
    5-[7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-4,7-diazaspiro[2.5]octane-4-carbonyl]-1H-pyridin-2-one
    —— 5-benzyl-4-isobutyl-5-methyl-3-phenethyl-4,5-dihydro-[1,2,4]oxadiazole 1431165-94-4 C22H28N2O
    5-benzyl-4-isobutyl-5-methyl-3-phenethyl-4,5-dihydro-[1,2,4]oxadiazole
    —— 5-<3-Methylanilino-propen-(2)-yliden>-1.2.3.4-tetraphenyl-cyclopentadien 2468-47-5 C39H31N
    5-<3-Methylanilino-propen-(2)-yliden>-1.2.3.4-tetraphenyl-cyclopentadien
    —— 5a,6,10b-trimethyl-2-nitro-5a,6,10b,11-tetrahydrochromeno[2,3-b]indole 1446319-70-5 C18H18N2O3
    5a,6,10b-trimethyl-2-nitro-5a,6,10b,11-tetrahydrochromeno[2,3-b]indole
    —— 5-(1H-Benzoimidazol-4-yl)-thiophene-2-carbaldehyde 136497-49-9 C12H8N2OS
    5-(1H-Benzoimidazol-4-yl)-thiophene-2-carbaldehyde
    —— 5-tert-butoxy-2-thienylacetonitrile 182186-18-1 C10H13NOS
    5-tert-butoxy-2-thienylacetonitrile
    —— 5-(2-amino-4-oxo-3-phenyl-3,4-dihydro-6-quinazolinyl)-2-methyl-3-pyridinecarboxamide 1383989-30-7 C21H17N5O2
    5-(2-amino-4-oxo-3-phenyl-3,4-dihydro-6-quinazolinyl)-2-methyl-3-pyridinecarboxamide
    —— 5-chloro-1-methylbenzo<b><1,8>naphthyridin-2(1H)-one 92978-85-3 C13H9ClN2O
    5-chloro-1-methylbenzo<b><1,8>naphthyridin-2(1H)-one
    —— 5-O-desosaminyl-3-O-(3-pyridyl)acetylerythronolide A 561327-42-2 C36H58N2O11
    5-O-desosaminyl-3-O-(3-pyridyl)acetylerythronolide A
    —— 5-[(1-ethyl-1<i>H</i>-naphth[1,2-<i>d</i>]oxazol-2-yliden)-ethylidene]-3-heptyl-1-[2]pyridyl-2-thioxo-imidazolidin-4-one 121526-05-4 C30H32N4O2S
    5-[(1-ethyl-1<i>H</i>-naphth[1,2-<i>d</i>]oxazol-2-yliden)-ethylidene]-3-heptyl-1-[2]pyridyl-2-thioxo-imidazolidin-4-one
    —— (5-Methoxy-2,4-bis-trifluoromethylsulfanyl-phenyl)-(2,2,2-trifluoro-ethyl)-amine 66476-49-1 C11H8F9NOS2
    (5-Methoxy-2,4-bis-trifluoromethylsulfanyl-phenyl)-(2,2,2-trifluoro-ethyl)-amine
    —— (5,15-dimesityl-10-phenylcorrole)manganese(III) 1049711-23-0 C43H35MnN4
    (5,15-dimesityl-10-phenylcorrole)manganese(III)
    —— 5-bromo-1,1,1-trichloro-3-methyl-hexane 42805-77-6 C7H12BrCl3
    5-bromo-1,1,1-trichloro-3-methyl-hexane
    —— 5-chloro-4,6-dimethyl-quinolin-2-ol 408328-36-9 C11H10ClNO
    5-chloro-4,6-dimethyl-quinolin-2-ol
    —— (5R,6S,7S,8S,E)-9-(tert-butyldiphenylsilyloxy)-7-(4-methoxybenzyloxy)-6,8-dimethylnon-2-ene-1,5-diol 1224892-89-0 C35H48O5Si
    (5R,6S,7S,8S,E)-9-(tert-butyldiphenylsilyloxy)-7-(4-methoxybenzyloxy)-6,8-dimethylnon-2-ene-1,5-diol
    —— 5-[1-(3,4-dichlorophenyl)-1-methylethyl]-2-{[(2,5-dichlorophenyl)methyl]sulfonyl}-1-(4-fluorophenyl)-1H-imidazole 1239957-84-6 C25H19Cl4FN2O2S
    5-[1-(3,4-dichlorophenyl)-1-methylethyl]-2-{[(2,5-dichlorophenyl)methyl]sulfonyl}-1-(4-fluorophenyl)-1H-imidazole
    —— 5-Hexyl-6-[(E)-hexylimino]-4-imino-5,6-dihydro-4H-[1,3,5]thiadiazin-2-ylamine; hydrochloride 39861-44-4 C15H29N5S*ClH
    5-Hexyl-6-[(E)-hexylimino]-4-imino-5,6-dihydro-4H-[1,3,5]thiadiazin-2-ylamine; hydrochloride
    —— 5,19-dihydroxy-3-oxo-5β,14β-androstane-17α-carboxylic acid 110247-92-2 C20H30O5
    5,19-dihydroxy-3-oxo-5β,14β-androstane-17α-carboxylic acid
    —— 5.5.5-Trifluor-4-(trifluormethyl)-valeriansaeure 17327-60-5 C6H6F6O2
    5.5.5-Trifluor-4-(trifluormethyl)-valeriansaeure
    —— (5-propyl-thiophen-3-yl)-[7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-4,7-diaza-spiro[2.5]oct-4-yI]-methanone 1261356-40-4 C20H23N5OS
    (5-propyl-thiophen-3-yl)-[7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-4,7-diaza-spiro[2.5]oct-4-yI]-methanone
    —— 5-fluoro-3-{(1R)-1-[3-(6-hydroxypyridin-3-yl)phenyl]ethyl}-2-oxo-N-1,2,4-thiadiazol-5-yl-2,3-dihydro-1,3-benzooxazole-6-sulfonamide 1432513-63-7 C22H16FN5O5S2
    5-fluoro-3-{(1R)-1-[3-(6-hydroxypyridin-3-yl)phenyl]ethyl}-2-oxo-N-1,2,4-thiadiazol-5-yl-2,3-dihydro-1,3-benzooxazole-6-sulfonamide
    —— (5S)-7-(6-fluoro-3-pyridinyl)-3-(2-methyl-4-pyridinyl)-spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine 1215869-43-4 C25H18FN5O2
    (5S)-7-(6-fluoro-3-pyridinyl)-3-(2-methyl-4-pyridinyl)-spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine
    —— (5S,8S,10S,13S)-19-Methoxy-8,10-dimethyl-5,13-diphenyl-3,6,9,12,15-pentaoxa-bicyclo[15.3.1]henicosa-1(20),17(21),18-trien-21-ol 188303-42-6 C31H38O7
    (5S,8S,10S,13S)-19-Methoxy-8,10-dimethyl-5,13-diphenyl-3,6,9,12,15-pentaoxa-bicyclo[15.3.1]henicosa-1(20),17(21),18-trien-21-ol
    —— 5-(2-nitro-benzylidene)-2,3-di-<i>m</i>-tolyl-3,5-dihydro-imidazol-4-one 42344-31-0 C24H19N3O3
    5-(2-nitro-benzylidene)-2,3-di-<i>m</i>-tolyl-3,5-dihydro-imidazol-4-one
    —— 5,5'-bis-(4-isopropyl-benzylidene)-3,3'-methanediyl-bis-thiazolidine-2,4-dione 60477-46-5 C27H26N2O4S2
    5,5'-bis-(4-isopropyl-benzylidene)-3,3'-methanediyl-bis-thiazolidine-2,4-dione
    —— 5,12-Dibenzoyl-5,6,11,12-tetrahydro-dibenzo<b,f><1.4>diazocin 22124-03-4 C28H22N2O2
    5,12-Dibenzoyl-5,6,11,12-tetrahydro-dibenzo<b,f><1.4>diazocin
    —— 5-chloro-2-(4-chloro-phenyl)-1-(4,5-dihydro-1<i>H</i>-imidazol-2-ylmethyl)-indole 102027-77-0 C18H15Cl2N3
    5-chloro-2-(4-chloro-phenyl)-1-(4,5-dihydro-1<i>H</i>-imidazol-2-ylmethyl)-indole
    —— (5'-diethylamino-4,4-diphenyl-3'a<i>H</i>-spiro[[1,2]dioxetane-3,2'-indol]-3'-ylidene)-(4-diethylamino-phenyl)-amine 42549-18-8 C35H38N4O2
    (5'-diethylamino-4,4-diphenyl-3'a<i>H</i>-spiro[[1,2]dioxetane-3,2'-indol]-3'-ylidene)-(4-diethylamino-phenyl)-amine
    —— 5-Aethinyl-5'-(3-hydroxy-1-propinyl)-2,2'-bithienyl 56328-49-5 C13H8OS2
    5-Aethinyl-5'-(3-hydroxy-1-propinyl)-2,2'-bithienyl