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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-N-methyl-[1,1'-biphenyl]-2-carboxamide 1402849-67-5 C15H15NO
    5-methyl-N-methyl-[1,1'-biphenyl]-2-carboxamide
    —— 5,5-Dimethyl-3-methylene-1-[(trimethylsilyl)oxy]cyclopentene 56001-57-1 C11H20OSi
    5,5-Dimethyl-3-methylene-1-[(trimethylsilyl)oxy]cyclopentene
    —— 5-(4-ethylphenyl)-N-phenylpiperidine-3-carboxamide 1246029-26-4 C20H24N2O
    5-(4-ethylphenyl)-N-phenylpiperidine-3-carboxamide
    —— 5,5-Dimethyl-2-phenylcarbamoyloxyimino-cyclohexan-1,3-dion 28596-65-8 C15H16N2O4
    5,5-Dimethyl-2-phenylcarbamoyloxyimino-cyclohexan-1,3-dion
    —— 5,5-dimethyl-2-phenylselanylcyclohexan-1-one 80683-99-4 C14H18OSe
    5,5-dimethyl-2-phenylselanylcyclohexan-1-one
    —— 5,5-dimethyl-2-(6-phenylethynylpyridin-3-yl)pyrazolidin-3-one 1429404-06-7 C18H17N3O
    5,5-dimethyl-2-(6-phenylethynylpyridin-3-yl)pyrazolidin-3-one
    —— (5R,7R,8R,9S)-9-[tert-butyl(dimethyl)silyl]oxy-8-hydroxy-3-[(4-methoxyphenyl)methyl]-7-(phenylmethoxymethyl)-6-oxa-1,3-diazaspiro[4.4]nonane-2,4-dione 130607-42-0 C28H38N2O7Si
    (5R,7R,8R,9S)-9-[tert-butyl(dimethyl)silyl]oxy-8-hydroxy-3-[(4-methoxyphenyl)methyl]-7-(phenylmethoxymethyl)-6-oxa-1,3-diazaspiro[4.4]nonane-2,4-dione
    —— 5-benzyloxy-2-(2-nitro-vinyl)-3-phenyl-indole 56484-45-8 C23H18N2O3
    5-benzyloxy-2-(2-nitro-vinyl)-3-phenyl-indole
    —— 5.10-Diphenyl-11-diphenylmethylen-5.10-dihydro-11H-benzo<b>fluoren 15835-71-9 C42H30
    5.10-Diphenyl-11-diphenylmethylen-5.10-dihydro-11H-benzo<b>fluoren
    —— 5e-Chlor-2a-oxo-1,3-dioxa-2-thiacyclohexan 16508-35-3 C3H5ClO3S
    5e-Chlor-2a-oxo-1,3-dioxa-2-thiacyclohexan
    —— 5-phenethylphenanthridin-6(5H)-one 1620052-03-0 C21H17NO
    5-phenethylphenanthridin-6(5H)-one
    —— 5-Benzyliden-2-methylimino-3-methyl-4-thiazolidinon 1762-64-7 C12H12N2OS
    5-Benzyliden-2-methylimino-3-methyl-4-thiazolidinon
    —— 5-(2,4-dichlorophenoxy)methyl-3-(2-ethoxyphenyl)aminomethyl-1,3,4-oxadiazole-2-thione 120353-47-1 C18H17Cl2N3O3S
    5-(2,4-dichlorophenoxy)methyl-3-(2-ethoxyphenyl)aminomethyl-1,3,4-oxadiazole-2-thione
    —— 5-[6-Ethoxy-1-methyl-1H-quinolin-(2Z)-ylidenemethylimino]-pyrimidine-2,4,6-trione 60315-89-1 C17H16N4O4
    5-[6-Ethoxy-1-methyl-1H-quinolin-(2Z)-ylidenemethylimino]-pyrimidine-2,4,6-trione
    —— 5-chloro-4-(4-diethylamino-2-methyl-phenylimino)-2-phenyl-2,4-dihydro-pyrazol-3-one 60760-65-8 C20H21ClN4O
    5-chloro-4-(4-diethylamino-2-methyl-phenylimino)-2-phenyl-2,4-dihydro-pyrazol-3-one
    —— (5aR,6S,7S)-6,8-Dichloro-7-(2-methoxy-phenyl)-3,5a,9-trimethyl-5,5a,6,7-tetrahydro-4H-naphtho[1,2-b]furan-2-one 56775-03-2 C22H22Cl2O3
    (5aR,6S,7S)-6,8-Dichloro-7-(2-methoxy-phenyl)-3,5a,9-trimethyl-5,5a,6,7-tetrahydro-4H-naphtho[1,2-b]furan-2-one
    —— 5,5,5-Trifluoro-3-hydroxymethyl-2,2,4-tris-trifluoromethyl-pent-3-enoic acid 51253-94-2 C9H4F12O3
    5,5,5-Trifluoro-3-hydroxymethyl-2,2,4-tris-trifluoromethyl-pent-3-enoic acid
    —— 5-[[(5S)-5-[[(2S)-3-cyclohexyl-2-(morpholine-4-carbonylamino)propanoyl]amino]-7-(2,6-dimethylbenzoyl)oxy-6-oxoheptyl]carbamoyl]-2-[3-(dimethylamino)-6-dimethylazaniumylidenexanthen-9-yl]benzoate 1184921-30-9 C55H66N6O10
    5-[[(5S)-5-[[(2S)-3-cyclohexyl-2-(morpholine-4-carbonylamino)propanoyl]amino]-7-(2,6-dimethylbenzoyl)oxy-6-oxoheptyl]carbamoyl]-2-[3-(dimethylamino)-6-dimethylazaniumylidenexanthen-9-yl]benzoate
    —— 5-methyl-1-(6-nitro-α-<i>L</i>-<i>lyxo</i>-2,6-dideoxy-hexofuranosyl)-1<i>H</i>-pyrimidine-2,4-dione 57003-93-7 C11H15N3O7
    5-methyl-1-(6-nitro-α-<i>L</i>-<i>lyxo</i>-2,6-dideoxy-hexofuranosyl)-1<i>H</i>-pyrimidine-2,4-dione
    —— (5aR,5bR,10aR,10bS)-Dodecahydro-cyclobuta[1,2:3,4]dicycloheptene-5a,5b-dicarboxylic acid dimethyl ester 62995-26-0 C18H28O4
    (5aR,5bR,10aR,10bS)-Dodecahydro-cyclobuta[1,2:3,4]dicycloheptene-5a,5b-dicarboxylic acid dimethyl ester
    —— 5-(4-chloro-phenylazo)-<i>N</i><sup>4</sup>-(2-diethylamino-ethyl)-<i>N</i><sup>2</sup>,<i>N</i><sup>2</sup>-dimethyl-pyrimidine-2,4,6-triyltriamine 108299-98-5 C18H27ClN8
    5-(4-chloro-phenylazo)-<i>N</i><sup>4</sup>-(2-diethylamino-ethyl)-<i>N</i><sup>2</sup>,<i>N</i><sup>2</sup>-dimethyl-pyrimidine-2,4,6-triyltriamine
    —— 5-Benzhydryl-2-butyl-7-tert-butyl-2,2-diphenyl-1-oxa-3-aza-2λ<sup>5</sup>-phospha-indan 76826-19-2 C39H42NOP
    5-Benzhydryl-2-butyl-7-tert-butyl-2,2-diphenyl-1-oxa-3-aza-2λ<sup>5</sup>-phospha-indan
    —— 5-(2-(4-fluorophenyl)thiophen-3-yl)-2-trityl-2H-tetrazole 1073313-88-8 C30H21FN4S
    5-(2-(4-fluorophenyl)thiophen-3-yl)-2-trityl-2H-tetrazole
    —— 5-(N-hydroxylamine)-5-ethyl-N,N-dimethylbarbituric acid 1354893-08-5 C8H13N3O4
    5-(N-hydroxylamine)-5-ethyl-N,N-dimethylbarbituric acid
    —— 5-Chloro-thiophene-2-carboxylic acid methyl-{(S)-2-oxo-3-[4-(3-oxo-morpholin-4-yl)-phenyl]-oxazolidin-5-ylmethyl}-amide 865479-76-1 C20H20ClN3O5S
    5-Chloro-thiophene-2-carboxylic acid methyl-{(S)-2-oxo-3-[4-(3-oxo-morpholin-4-yl)-phenyl]-oxazolidin-5-ylmethyl}-amide
    —— 5-methyl-benzoxazole-2-carboxylic acid hexyl ester 1260071-09-7 C15H19NO3
    5-methyl-benzoxazole-2-carboxylic acid hexyl ester
    —— 5-{[(4-methoxybenzyl)oxy]methyl}-2,2-dimethyl-4H-[1,3]dioxino[4,5-c]pyridine 252987-05-6 C18H21NO4
    5-{[(4-methoxybenzyl)oxy]methyl}-2,2-dimethyl-4H-[1,3]dioxino[4,5-c]pyridine
    —— 5-bromo-3,3-diphenyl-1,3-dihydro-benzo[e][1,2]oxasilepine 22289-88-9 C21H17BrOSi
    5-bromo-3,3-diphenyl-1,3-dihydro-benzo[e][1,2]oxasilepine
    —— 5-(4-bromo-phenyl)-5'-nitro-2,2'-ethene-1,2-diyl-bis-furan 56547-79-6 C16H10BrNO4
    5-(4-bromo-phenyl)-5'-nitro-2,2'-ethene-1,2-diyl-bis-furan
    —— (5R*,9R*)-(+/-)-5,9-Epoxy-5,8,9,10-tetrahydrobenzocycloocten-7(6H)-on-oxim 143142-96-5 C12H13NO2
    (5R*,9R*)-(+/-)-5,9-Epoxy-5,8,9,10-tetrahydrobenzocycloocten-7(6H)-on-oxim
    —— 5-Acetyl-4,5-dihydropyrrol-chinoxalin-1-carbaldehyd-Thiosemicarbazon 56721-92-7 C15H15N5OS
    5-Acetyl-4,5-dihydropyrrol-chinoxalin-1-carbaldehyd-Thiosemicarbazon
    —— 5-Methoxy-2b,6b-dihydro-benzo[a]cyclopropa[cd]pentalene-2a,6c-dicarboxylic acid dimethyl ester 61065-05-2 C17H16O5
    5-Methoxy-2b,6b-dihydro-benzo[a]cyclopropa[cd]pentalene-2a,6c-dicarboxylic acid dimethyl ester
    —— 5-[2-(Butyl-methyl-amino)-ethylamino]-6-chloro-1,3-dihydro-imidazo[4,5-b]pyrazin-2-one; hydrochloride 27523-70-2 C12H19ClN6O*ClH
    5-[2-(Butyl-methyl-amino)-ethylamino]-6-chloro-1,3-dihydro-imidazo[4,5-b]pyrazin-2-one; hydrochloride
    —— 5-Oxo-pyrrolidine-2-carboxylic acid [2-(4-benzyloxy-3-methoxy-phenyl)-ethyl]-amide 50765-50-9 C21H24N2O4
    5-Oxo-pyrrolidine-2-carboxylic acid [2-(4-benzyloxy-3-methoxy-phenyl)-ethyl]-amide
    —— 5-(2-methoxy-benzylidene)-2-methyl-3-thiazol-2-yl-3,5-dihydro-imidazol-4-one 74168-98-2 C15H13N3O2S
    5-(2-methoxy-benzylidene)-2-methyl-3-thiazol-2-yl-3,5-dihydro-imidazol-4-one
    —— 5-amino-<i>N</i>-benzyloxy-1-(<i>O</i><sup>3</sup>,<i>O</i><sup>5</sup>-hydroxyphosphoryl-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-imidazole-4-carboximidic acid amide 50884-79-2 C16H20N5O7P
    5-amino-<i>N</i>-benzyloxy-1-(<i>O</i><sup>3</sup>,<i>O</i><sup>5</sup>-hydroxyphosphoryl-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-imidazole-4-carboximidic acid amide
    —— (5-chloro-1,3-dimethyl-1<i>H</i>-pyrazol-4-yl)-(1,5-dimethyl-4-nitro-1<i>H</i>-pyrazol-3-yl)-methanone 50920-52-0 C11H12ClN5O3
    (5-chloro-1,3-dimethyl-1<i>H</i>-pyrazol-4-yl)-(1,5-dimethyl-4-nitro-1<i>H</i>-pyrazol-3-yl)-methanone
    —— 5-iodo-1-(3-iodopyridin-4-yl)-1H-pyrazole 1314002-73-7 C8H5I2N3
    5-iodo-1-(3-iodopyridin-4-yl)-1H-pyrazole
    —— 5,5''-bisethynyl-2,2':3',2''-terthiophene5and 5,5'''-bis(trimethylsilylethynyl)-[3',5''-bis(5-trimethylsilylethynylthien-2-yl)]-2,2':5',2'':4'',2'''-quaterthiophene 1207091-57-3 C44H46S6Si4
    5,5''-bisethynyl-2,2':3',2''-terthiophene5and 5,5'''-bis(trimethylsilylethynyl)-[3',5''-bis(5-trimethylsilylethynylthien-2-yl)]-2,2':5',2'':4'',2'''-quaterthiophene
    —— 5-acetoxy-10,12-dimethoxy-8-<2-(methoxymethoxy)ethyl>-4-(2,3,5-tri-O-acetyl-α-D-fucofuranosyl)-6H-benzo<d>naphtho<1,2-b>pyran-6-one 155351-80-7 C37H40O15
    5-acetoxy-10,12-dimethoxy-8-<2-(methoxymethoxy)ethyl>-4-(2,3,5-tri-O-acetyl-α-D-fucofuranosyl)-6H-benzo<d>naphtho<1,2-b>pyran-6-one
    —— 5,11-diisocyano-25,26,27,28-tetra-n-propylcalix[4]arene 655244-36-3 C42H46N2O4
    5,11-diisocyano-25,26,27,28-tetra-n-propylcalix[4]arene
    —— 5-(4-chlorophenyl)-10-(chloromethyl)-8,8-dimethyl-5,8,9,10-tetrahydrobenzo[b][1,8]naphthyridin-6(7H)-one 1197982-04-9 C21H20Cl2N2O
    5-(4-chlorophenyl)-10-(chloromethyl)-8,8-dimethyl-5,8,9,10-tetrahydrobenzo[b][1,8]naphthyridin-6(7H)-one
    —— 5-benzylidene-3-(2-hydroxy-phenyl)-thiazolidine-2,4-dione 73219-61-1 C16H11NO3S
    5-benzylidene-3-(2-hydroxy-phenyl)-thiazolidine-2,4-dione
    —— 5-Iodopentyltrimethylsilane 154673-51-5 C8H19ISi
    5-Iodopentyltrimethylsilane
    —— 5-hydroxy-2-(4-phenoxyphenyl)-N-(2-phenylethyl)benzamide 1026594-80-8 C27H23NO3
    5-hydroxy-2-(4-phenoxyphenyl)-N-(2-phenylethyl)benzamide
    —— 5,16α,17α-trihydroxy-3β-tosyloxy-5α-pregna-6,20-dione 874130-45-7 C28H38O8S
    5,16α,17α-trihydroxy-3β-tosyloxy-5α-pregna-6,20-dione
    —— 5-acetoxymethyl-1-methyl-6-oxo-1,2,3,6-tetrahydro-pyridine-2-carboxylic acid methyl ester 43083-37-0 C11H15NO5
    5-acetoxymethyl-1-methyl-6-oxo-1,2,3,6-tetrahydro-pyridine-2-carboxylic acid methyl ester
    —— 5-cyclohexyl-2-methyl-naphtho[1,2,3-<i>de</i>]oxazolo[5,4-<i>b</i>]quinolin-8-one 41835-60-3 C24H20N2O2
    5-cyclohexyl-2-methyl-naphtho[1,2,3-<i>de</i>]oxazolo[5,4-<i>b</i>]quinolin-8-one
    —— 5-Hydroxy-benzo<b>naphtho<1,2-b>furan 27407-74-5 C16H10O2
    5-Hydroxy-benzo<b>naphtho<1,2-b>furan
    —— 5-ethyl-1-[(2-hydroxyethoxy)methyl]-6-(phenylselenenyl)-2-thiouracil 172255-77-5 C15H18N2O3SSe
    5-ethyl-1-[(2-hydroxyethoxy)methyl]-6-(phenylselenenyl)-2-thiouracil