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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(imidazol-2-yl)-5'-O-(dimethoxytrityl)-2'-deoxyuridine 155603-90-0 C33H32N4O7
    5-(imidazol-2-yl)-5'-O-(dimethoxytrityl)-2'-deoxyuridine
    —— [5-Methoxy-9-oxo-10-(2,2,2-trichloroethoxycarbonylimino)-4-(2,2,2-trichloroethoxycarbonyloxy)anthracen-1-yl] 2,2,2-trichloroethyl carbonate 134051-07-3 C24H14Cl9NO10
    [5-Methoxy-9-oxo-10-(2,2,2-trichloroethoxycarbonylimino)-4-(2,2,2-trichloroethoxycarbonyloxy)anthracen-1-yl] 2,2,2-trichloroethyl carbonate
    —— 5,5-Dimethyl-2-thioxo-2-propylamino-1,3,2-dioxaphosphorinan 878-72-8 C8H18NO2PS
    5,5-Dimethyl-2-thioxo-2-propylamino-1,3,2-dioxaphosphorinan
    —— 5-Tert-butylimino-3-phenyl-[1,3]thiazolo[5,4-d][1,2]oxazol-6-amine 193345-67-4 C14H16N4OS
    5-Tert-butylimino-3-phenyl-[1,3]thiazolo[5,4-d][1,2]oxazol-6-amine
    —— 5'-Deoxyriboflavin 5297-80-3 C17H20N4O5
    5'-Deoxyriboflavin
    —— (5S,6E,8E,10E,12R,14E)-5,12-dihydroxyhenicosa-6,8,10,14-tetraenedioic acid —— C21H32O6
    (5S,6E,8E,10E,12R,14E)-5,12-dihydroxyhenicosa-6,8,10,14-tetraenedioic acid
    —— 5-[1-[5-carboxy-3-(2-methoxy-2-oxoethyl)-4-methyl-1H-pyrrol-2-yl]-3-methoxy-3-oxopropyl]-3,4-dimethyl-1H-pyrrole-2-carboxylic acid 190441-45-3 C20H24N2O8
    5-[1-[5-carboxy-3-(2-methoxy-2-oxoethyl)-4-methyl-1H-pyrrol-2-yl]-3-methoxy-3-oxopropyl]-3,4-dimethyl-1H-pyrrole-2-carboxylic acid
    —— 5-<5'-(2",4"-dioxo-5"-methyl-3",4"-dihydro-1"(2"H)-pyrimidinyl)pentyl>-3-methylene-2-tetrahydrofuranone 160155-27-1 C15H20N2O4
    5-<5'-(2",4"-dioxo-5"-methyl-3",4"-dihydro-1"(2"H)-pyrimidinyl)pentyl>-3-methylene-2-tetrahydrofuranone
    —— (5bR,8aS)-4-Methoxy-5,9,9-trimethyl-1,2,3,5b,7,8,8a,9-octahydro-cyclopenta[b]-as-indacen-6-one 120666-83-3 C19H24O2
    (5bR,8aS)-4-Methoxy-5,9,9-trimethyl-1,2,3,5b,7,8,8a,9-octahydro-cyclopenta[b]-as-indacen-6-one
    —— 5-<(benzyloxycarbonyl)amino>-5,6-dideoxy-β-D-altropyranose 168252-98-0 C14H19NO6
    5-<(benzyloxycarbonyl)amino>-5,6-dideoxy-β-D-altropyranose
    —— 5-(8-Methyl-14,17,23,26,32,35-hexaoctyl-2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1(37),3,5,7,9,11,13,15,17,19(39),20,22,24,26,28(38),29,31,33,35-nonadecaen-5-yl)pentan-1-ol 173074-35-6 C86H126N8O
    5-(8-Methyl-14,17,23,26,32,35-hexaoctyl-2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1(37),3,5,7,9,11,13,15,17,19(39),20,22,24,26,28(38),29,31,33,35-nonadecaen-5-yl)pentan-1-ol
    —— 5,6,8,9,11,12-Hexahydro-7,10-dioxa-1,3,4,13-tetrathia-cyclopentacyclododecen-2-one 142671-89-4 C9H12O3S4
    5,6,8,9,11,12-Hexahydro-7,10-dioxa-1,3,4,13-tetrathia-cyclopentacyclododecen-2-one
    —— 5-[4,5-bis(methylthio)-1,3-dithiol-2-ylidene]-2-(4,5-ethylenedithio-1,3-dithiol-2-ylidene)-4,6-diselena-1,3-dithiapentalene 1001430-22-3 C14H10S10Se2
    5-[4,5-bis(methylthio)-1,3-dithiol-2-ylidene]-2-(4,5-ethylenedithio-1,3-dithiol-2-ylidene)-4,6-diselena-1,3-dithiapentalene
    —— (5R,5aR,8aR,9R)-5-[[(4aR,6R,7R,8R,8aS)-7,8-dihydroxy-2-thiophen-2-yl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-9-(3,4,5-trimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-8-one —— C33H34O13S
    (5R,5aR,8aR,9R)-5-[[(4aR,6R,7R,8R,8aS)-7,8-dihydroxy-2-thiophen-2-yl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-9-(3,4,5-trimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-8-one
    —— 5-cyano-7,8-dihydro-3-methoxy-6-(methylthio)benzo[c]phenanthrene 701209-99-6 C21H17NOS
    5-cyano-7,8-dihydro-3-methoxy-6-(methylthio)benzo[c]phenanthrene
    —— (5S,6S,7R,8R)-5-(tert-Butyl-dimethyl-silanyloxy)-8-[4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethoxy-phenyl]-7-hydroxymethyl-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid 642409-83-4 C33H50O9Si2
    (5S,6S,7R,8R)-5-(tert-Butyl-dimethyl-silanyloxy)-8-[4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethoxy-phenyl]-7-hydroxymethyl-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid
    —— 5-Methyl-3-{(R)-2,6,11-trihydroxy-11-[(2R,5R,2'R,5'R)-5'-((R)-1-hydroxy-undecyl)-octahydro-[2,2']bifuranyl-5-yl]-undecyl}-5H-furan-2-one 194413-43-9 C35H62O8
    5-Methyl-3-{(R)-2,6,11-trihydroxy-11-[(2R,5R,2'R,5'R)-5'-((R)-1-hydroxy-undecyl)-octahydro-[2,2']bifuranyl-5-yl]-undecyl}-5H-furan-2-one
    —— 5-Hydroxypyrido[3,4-d]pyrimidin-4(3H)-one 709666-26-2 C7H5N3O2
    5-Hydroxypyrido[3,4-d]pyrimidin-4(3H)-one
    —— 5,5-Bis-trifluoromethyl-3-(2-trifluoromethyl-phenylamino)-2-(2,2,2-trifluoro-1-trifluoromethyl-ethyl)-cyclopent-2-ene-1,1-dicarbonitrile 193360-76-8 C19H8F15N3
    5,5-Bis-trifluoromethyl-3-(2-trifluoromethyl-phenylamino)-2-(2,2,2-trifluoro-1-trifluoromethyl-ethyl)-cyclopent-2-ene-1,1-dicarbonitrile
    —— 5-(Diethoxy-phosphoryl)-2-isopropyl-4-oxo-3,4-dihydro-2H-pyridine-1-carboxylic acid phenyl ester 357613-92-4 C19H26NO6P
    5-(Diethoxy-phosphoryl)-2-isopropyl-4-oxo-3,4-dihydro-2H-pyridine-1-carboxylic acid phenyl ester
    —— (5S,6S,7R,8R)-5-(tert-Butyl-dimethyl-silanyloxy)-8-[4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethoxy-phenyl]-7-(2,2-dimethyl-propionyloxymethyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid 642409-82-3 C38H58O10Si2
    (5S,6S,7R,8R)-5-(tert-Butyl-dimethyl-silanyloxy)-8-[4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethoxy-phenyl]-7-(2,2-dimethyl-propionyloxymethyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid
    —— [5,15-bis-13C]farnesol 209480-02-4 C15H26O
    [5,15-bis-13C]farnesol
    —— 5-bromo-3-methyl-8a-(3-methyl-butyl)-8,8a-dihydro-7H-benzo[1,4]dioxine-2,6-dione 680997-75-5 C14H19BrO4
    5-bromo-3-methyl-8a-(3-methyl-butyl)-8,8a-dihydro-7H-benzo[1,4]dioxine-2,6-dione
    —— 5-(4-methoxyphenylamino)oct-7-en-1-ol 1270174-18-9 C15H23NO2
    5-(4-methoxyphenylamino)oct-7-en-1-ol
    —— 5-(1-Butyl-pentyl)-benzene-1,3-diol 50833-16-4 C15H24O2
    5-(1-Butyl-pentyl)-benzene-1,3-diol
    —— 5,6-dihydroxy-1,1,1',1'-tetramethyl-3,3'-spirobi[2H-indene]-5',6'-dione 638166-00-4 C21H22O4
    5,6-dihydroxy-1,1,1',1'-tetramethyl-3,3'-spirobi[2H-indene]-5',6'-dione
    —— 5-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1-(triphenyl-lambda5-phosphanylidene)pentan-2-one 625821-84-3 C28H31O3P
    5-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1-(triphenyl-lambda5-phosphanylidene)pentan-2-one
    —— 5,11,17,23-Tetratert-butyl-26,28-dimethoxy-2,8,14,20-tetrathiapentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,27-dithiol 863778-87-4 C42H52O2S6
    5,11,17,23-Tetratert-butyl-26,28-dimethoxy-2,8,14,20-tetrathiapentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,27-dithiol
    —— (5-acetyl-2-thienyl)-(5-benzoyl-2-thienyl)-(5-bromo-2-thienyl)-(5-cyano-2-thienyl)-methane 1116121-49-3 C27H16BrNO2S4
    (5-acetyl-2-thienyl)-(5-benzoyl-2-thienyl)-(5-bromo-2-thienyl)-(5-cyano-2-thienyl)-methane
    —— 5-(1-Triisopropylsilanyl-1H-indol-3-yl)-furan-2-carboxylic acid methyl ester 553635-66-8 C23H31NO3Si
    5-(1-Triisopropylsilanyl-1H-indol-3-yl)-furan-2-carboxylic acid methyl ester
    —— [5-Chloro-4-(5-methyl-[1,2,4]oxadiazol-3-yl)-2-phenylethynyl-phenyl]-carbamic acid tert-butyl ester 643744-99-4 C22H20ClN3O3
    [5-Chloro-4-(5-methyl-[1,2,4]oxadiazol-3-yl)-2-phenylethynyl-phenyl]-carbamic acid tert-butyl ester
    —— 5,6,7,19,20,21,33,34,35-Nonabutoxy-11,25,39-tris(chloromethyl)tridecacyclo[28.12.0.02,15.03,8.04,41.09,14.013,18.016,29.017,22.023,28.027,32.031,36.037,42]dotetraconta-1(30),2(15),3,5,7,9(14),10,12,16(29),17(22),18,20,23,25,27,31(36),32,34,37(42),38,40-henicosaene 1257428-50-4 C81H93Cl3O9
    5,6,7,19,20,21,33,34,35-Nonabutoxy-11,25,39-tris(chloromethyl)tridecacyclo[28.12.0.02,15.03,8.04,41.09,14.013,18.016,29.017,22.023,28.027,32.031,36.037,42]dotetraconta-1(30),2(15),3,5,7,9(14),10,12,16(29),17(22),18,20,23,25,27,31(36),32,34,37(42),38,40-henicosaene
    —— [5-(2-Cyano-ethyl)-2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-yl]-acetic acid ethyl ester 870080-15-2 C13H17NO6
    [5-(2-Cyano-ethyl)-2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-yl]-acetic acid ethyl ester
    —— (5R,6S)-6-[(1S,2R)-2-(tert-butyldimethylsilanyloxy)-1-methylbutyl]-4-hydroxy-3,5-dimethyl-5,6-dihydropyran-2-one 623927-77-5 C18H34O4Si
    (5R,6S)-6-[(1S,2R)-2-(tert-butyldimethylsilanyloxy)-1-methylbutyl]-4-hydroxy-3,5-dimethyl-5,6-dihydropyran-2-one
    —— 5-lithio-2,4-di-t-butoxypyrimidine 62880-74-4 C12H19LiN2O2
    5-lithio-2,4-di-t-butoxypyrimidine
    —— 5-methyl-1-[(2R,4S,5R)-5-[2-[[(2R,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-(2-trityloxyethyl)oxolan-3-yl]methylsulfonyl]ethyl]-4-(sulfanylmethyl)oxolan-2-yl]pyrimidine-2,4-dione 664329-47-9 C43H48N4O9S2
    5-methyl-1-[(2R,4S,5R)-5-[2-[[(2R,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-(2-trityloxyethyl)oxolan-3-yl]methylsulfonyl]ethyl]-4-(sulfanylmethyl)oxolan-2-yl]pyrimidine-2,4-dione
    —— (5R)-5-[(2-methylpropan-2-yl)oxy]-5-[oxido-di(propan-2-yloxy)phosphaniumyl]pent-1-ene 634582-98-2 C15H31O4P
    (5R)-5-[(2-methylpropan-2-yl)oxy]-5-[oxido-di(propan-2-yloxy)phosphaniumyl]pent-1-ene
    —— (5R)-5-[(R)-hydroxy(phenyl)methyl]-1-methylpyrrolidin-2-one 1338929-02-4 C12H15NO2
    (5R)-5-[(R)-hydroxy(phenyl)methyl]-1-methylpyrrolidin-2-one
    —— 5,5,5',5',5'',5''-Hexakis-butoxymethyl-5,6,5',6',5'',6''-hexahydro-4H,4'H,4''H-[1,1';3',1'']ter[cyclopenta[c]thiophene]-3-carbaldehyde 866890-94-0 C52H80O7S3
    5,5,5',5',5'',5''-Hexakis-butoxymethyl-5,6,5',6',5'',6''-hexahydro-4H,4'H,4''H-[1,1';3',1'']ter[cyclopenta[c]thiophene]-3-carbaldehyde
    —— 5,10-bis(5-bromo-2-thienyl)-2,3-bis(4-methoxyphenyl)benzo[g]quinoxaline 1261995-52-1 C34H22Br2N2O2S2
    5,10-bis(5-bromo-2-thienyl)-2,3-bis(4-methoxyphenyl)benzo[g]quinoxaline
    —— 5-Methylene-6-phenethyl-2,3,4,5-tetrahydro-pyridine 865668-12-8 C14H17N
    5-Methylene-6-phenethyl-2,3,4,5-tetrahydro-pyridine
    —— (5-diphenylphosphoryl-2H-triazol-4-yl)-di(propan-2-yl)phosphane 1262866-65-8 C20H25N3OP2
    (5-diphenylphosphoryl-2H-triazol-4-yl)-di(propan-2-yl)phosphane
    —— (5R,6R,7R,7aR)-6-Benzyloxy-5-benzyloxymethyl-7-methoxymethoxy-hexahydro-pyrrolizin-3-one 521916-68-7 C24H29NO5
    (5R,6R,7R,7aR)-6-Benzyloxy-5-benzyloxymethyl-7-methoxymethoxy-hexahydro-pyrrolizin-3-one
    —— 5-(2-aminophenyl)-1-tert-butyl-3-cyano-4-methylpyrrolo[2,3-b]pyridine 1314582-40-5 C19H20N4
    5-(2-aminophenyl)-1-tert-butyl-3-cyano-4-methylpyrrolo[2,3-b]pyridine
    —— 5,15-Dihexyl-10,10-dimethyl-3,7,13,17-tetrathia-10-silapentacyclo[9.6.0.02,9.04,8.012,16]heptadeca-1(11),2(9),4(8),5,12(16),14-hexaene 1257092-15-1 C26H34S4Si
    5,15-Dihexyl-10,10-dimethyl-3,7,13,17-tetrathia-10-silapentacyclo[9.6.0.02,9.04,8.012,16]heptadeca-1(11),2(9),4(8),5,12(16),14-hexaene
    —— 5,10-bis(5-bromo-2-thienyl)-2,3-diphenylbenzo[g]quinoxaline 1261995-56-5 C32H18Br2N2S2
    5,10-bis(5-bromo-2-thienyl)-2,3-diphenylbenzo[g]quinoxaline
    —— 5-(3-Trimethoxysilylpropylamino)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,26,27,28-tetrol 1269668-65-6 C34H39NO7Si
    5-(3-Trimethoxysilylpropylamino)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,26,27,28-tetrol
    —— 5-phenyl-6-(2'-hydroxyphenyl)naphtho[1,2-b]benzofuran 1261085-13-5 C28H18O2
    5-phenyl-6-(2'-hydroxyphenyl)naphtho[1,2-b]benzofuran
    —— 5,5''-di([1,2,5]thiadiazolo[3,4-c]pyridin-4-yl)-3',4'-dibutyl-2,2':5'2''-terthiophene 1277168-24-7 C30H26N6S5
    5,5''-di([1,2,5]thiadiazolo[3,4-c]pyridin-4-yl)-3',4'-dibutyl-2,2':5'2''-terthiophene
    —— 5-hydroxy-6,8-diiodo-2,7-dimethylchromone 1301620-21-2 C11H8I2O3
    5-hydroxy-6,8-diiodo-2,7-dimethylchromone