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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-ethoxy-2-o-tolyl-1,3-oxazole 1082707-36-5 C12H13NO2
    5-ethoxy-2-o-tolyl-1,3-oxazole
    —— 5-((4-methoxybenzyl)oxy)-1-((2S,5R,6R,8R,10R)-5-methyl-5-((triethylsilyl)oxy)-10-(2-((triisopropylsilyl)oxy)ethyl)-1,7,9-trioxadispiro[5.1.58.26]pentadecan-2-yl)pentan-2-one 1017265-71-2 C43H76O8Si2
    5-((4-methoxybenzyl)oxy)-1-((2S,5R,6R,8R,10R)-5-methyl-5-((triethylsilyl)oxy)-10-(2-((triisopropylsilyl)oxy)ethyl)-1,7,9-trioxadispiro[5.1.58.26]pentadecan-2-yl)pentan-2-one
    —— 5-(benzenesulfonyl)hexan-2-ylsulfonylbenzene 195371-30-3 C18H22O4S2
    5-(benzenesulfonyl)hexan-2-ylsulfonylbenzene
    —— 5-(propyn-2-yl)bicyclo<2.2.1>-2-heptene 77936-51-7 C10H12
    5-(propyn-2-yl)bicyclo<2.2.1>-2-heptene
    —— (5R,9S,13S,14S,1'S)-14-[1-(N,N-Dibenzylamino)ethyl]-4-methoxy-1,8,12,15-tetraoxatrispiro[4.3.3.4]heptadec-3-ene 185333-16-8 C30H37NO5
    (5R,9S,13S,14S,1'S)-14-[1-(N,N-Dibenzylamino)ethyl]-4-methoxy-1,8,12,15-tetraoxatrispiro[4.3.3.4]heptadec-3-ene
    —— 5-((4-chloro-2-((4-chlorobenzyl)thio)thiazol-5-yl)methylene)thiazolidine-2,4-dione 1262897-49-3 C14H8Cl2N2O2S3
    5-((4-chloro-2-((4-chlorobenzyl)thio)thiazol-5-yl)methylene)thiazolidine-2,4-dione
    —— 5-methyl-1-naphthalen-1-yl-1-[1,2,4]triazol-1-yl-hexan-3-one 70055-88-8 C19H21N3O
    5-methyl-1-naphthalen-1-yl-1-[1,2,4]triazol-1-yl-hexan-3-one
    —— 5-dimethylamino-2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-2-phenyl-pentanenitrile 94759-40-7 C20H24N6O2
    5-dimethylamino-2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-2-phenyl-pentanenitrile
    —— 5-dimethylcarbamoyloxy-2-isopropyl-4-methyl-4-propyl-2,4-dihydro-pyrazol-3-one 65896-46-0 C13H23N3O3
    5-dimethylcarbamoyloxy-2-isopropyl-4-methyl-4-propyl-2,4-dihydro-pyrazol-3-one
    —— 5-O-(3'-N-desmethyl-3'-N-ethyl)desosaminyl-11,12-dideoxy-3-O-decladinosyl-6-O-methyl-3-oxo-12,11-[oxycarbonyl-(4-(4-(2-amino-pyridin-4-yl)-imidazol-1-yl)-butyl)-imino]erythromycin A 937788-70-0 C44H68N6O10
    5-O-(3'-N-desmethyl-3'-N-ethyl)desosaminyl-11,12-dideoxy-3-O-decladinosyl-6-O-methyl-3-oxo-12,11-[oxycarbonyl-(4-(4-(2-amino-pyridin-4-yl)-imidazol-1-yl)-butyl)-imino]erythromycin A
    —— 5-bromomethyl-3-(2-methyl-allyl)-thiazolidine-2,4-dione 2-[(3-methyl-4-oxo-thiazolidin-2-ylidene)-hydrazone] 62807-74-3 C12H15BrN4O2S2
    5-bromomethyl-3-(2-methyl-allyl)-thiazolidine-2,4-dione 2-[(3-methyl-4-oxo-thiazolidin-2-ylidene)-hydrazone]
    —— 5-allyloxy-2-[4-(4-chloro-phenyl)-6-(2-hydroxy-ethoxy)-[1,3,5]triazin-2-yl]-phenol 4686-92-4 C20H18ClN3O4
    5-allyloxy-2-[4-(4-chloro-phenyl)-6-(2-hydroxy-ethoxy)-[1,3,5]triazin-2-yl]-phenol
    —— 5-(3-methyl-ureido)-[1,3,4]thiadiazole-2-sulfonic acid benzylamide 37763-08-9 C11H13N5O3S2
    5-(3-methyl-ureido)-[1,3,4]thiadiazole-2-sulfonic acid benzylamide
    —— 5-(2-dimethylamino-ethyl)-5<i>H</i>-benzo[<i>f</i>]pyrido[2,3-<i>b</i>][1,4]oxazepin-6-one 14417-29-9 C16H17N3O2
    5-(2-dimethylamino-ethyl)-5<i>H</i>-benzo[<i>f</i>]pyrido[2,3-<i>b</i>][1,4]oxazepin-6-one
    —— (5R,6S)-6-[(1R)-1-Hydroxyethyl]-3-[2-(N-methylcarbamoyloxymethyl)-1,4,5,6-tetrahydropyrimidin-5-yl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 142774-80-9 C16H22N4O6
    (5R,6S)-6-[(1R)-1-Hydroxyethyl]-3-[2-(N-methylcarbamoyloxymethyl)-1,4,5,6-tetrahydropyrimidin-5-yl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— 5-tetrahydrofurfuryloxy-pyrimidin-2-ylamine 4619-45-8 C9H13N3O2
    5-tetrahydrofurfuryloxy-pyrimidin-2-ylamine
    —— 5-bromofuran-2-carboxylate;dysprosium(3+) 75515-58-1 C15H6Br3DyO9
    5-bromofuran-2-carboxylate;dysprosium(3+)
    —— 5-(Benzoyloxy)-2-(3,4-dichlorophenyl)-2-(tetrahydropyran-2-yloxy)pentanenitrile 181640-71-1 C23H23Cl2NO4
    5-(Benzoyloxy)-2-(3,4-dichlorophenyl)-2-(tetrahydropyran-2-yloxy)pentanenitrile
    —— 5,5-Diphenyl-5H-[1,2]diazepine-1,2-dicarboxylic acid dimethyl ester 89459-87-0 C21H20N2O4
    5,5-Diphenyl-5H-[1,2]diazepine-1,2-dicarboxylic acid dimethyl ester
    —— 5-(6-bromo-4-nitro-benzo[1,3]dioxol-5-ylmethyl)-6-methyl-[1,3]dioxolo[4,5-<i>g</i>]isoquinolinium; iodide 30034-61-8 C19H14BrN2O6*I
    5-(6-bromo-4-nitro-benzo[1,3]dioxol-5-ylmethyl)-6-methyl-[1,3]dioxolo[4,5-<i>g</i>]isoquinolinium; iodide
    —— 5-(2-cyanoethyl)-4-hydroxy-2,4-di(2-thienyl)-4,5-dihydro-3H-pyrido[1,2-a]benzimidazol-10-ium bromide 1384463-05-1 Br*C22H18N3OS2
    5-(2-cyanoethyl)-4-hydroxy-2,4-di(2-thienyl)-4,5-dihydro-3H-pyrido[1,2-a]benzimidazol-10-ium bromide
    —— 5-methoxy-1,1,4a-trimethyl-trans-3,4,4a,5,6,7,8,8a-octahydronaphthalen-2(1H)-one 139109-33-4 C14H24O2
    5-methoxy-1,1,4a-trimethyl-trans-3,4,4a,5,6,7,8,8a-octahydronaphthalen-2(1H)-one
    —— (5S*,6R*)-7,10-dibenzyloxy-8-methoxy-6,9-dimethyl-1-p-toluenesulfonyl-5-(N-p-toluenesulfonyl)carbamoyloxy-1,2,5,6-tetrahydro-1-benzazocine 129077-32-3 C43H44N2O9S2
    (5S*,6R*)-7,10-dibenzyloxy-8-methoxy-6,9-dimethyl-1-p-toluenesulfonyl-5-(N-p-toluenesulfonyl)carbamoyloxy-1,2,5,6-tetrahydro-1-benzazocine
    —— 5-tert-butyloxycarbonyl-9-(trifluoromethyl)phenanthridin-6(5H)-one 1103883-26-6 C19H16F3NO3
    5-tert-butyloxycarbonyl-9-(trifluoromethyl)phenanthridin-6(5H)-one
    —— 5-dimethylcarbamoyloxy-4,4-diethyl-2-methyl-2,4-dihydro-pyrazol-3-one 65896-55-1 C11H19N3O3
    5-dimethylcarbamoyloxy-4,4-diethyl-2-methyl-2,4-dihydro-pyrazol-3-one
    —— 5-amino-4-anilino-2-(toluene-4-sulfonyl)-2<i>H</i>-pyridazin-3-one 4725-79-5 C17H16N4O3S
    5-amino-4-anilino-2-(toluene-4-sulfonyl)-2<i>H</i>-pyridazin-3-one
    —— 5-phenylselenyl cyclohex-2-en-4-one spiro-1,2'-(1',3'-dithiane) 125016-64-0 C15H16OS2Se
    5-phenylselenyl cyclohex-2-en-4-one spiro-1,2'-(1',3'-dithiane)
    —— (5R)-<5-2H1>-2,3-O-isopropylidene-5-O-(p-tolylsulfonyl)-β-D-ribofuranoside 97254-21-2 C16H22O7S
    (5R)-<5-2H1>-2,3-O-isopropylidene-5-O-(p-tolylsulfonyl)-β-D-ribofuranoside
    —— 5-oxo-1-phenyl-5<i>H</i>-thiazolo[3,2-<i>a</i>]quinazoline-2-carbonitrile 35978-00-8 C17H9N3OS
    5-oxo-1-phenyl-5<i>H</i>-thiazolo[3,2-<i>a</i>]quinazoline-2-carbonitrile
    —— 5-butyl-6-{3-[4-(2-methoxy-phenyl)-piperazin-1-yl]-propylamino}-1,3-dimethyl-1<i>H</i>-pyrimidine-2,4-dione 47706-18-3 C24H37N5O3
    5-butyl-6-{3-[4-(2-methoxy-phenyl)-piperazin-1-yl]-propylamino}-1,3-dimethyl-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-amino-pyrazine-2-carboxylic acid 2-(4-pyridin-2-yl-piperazin-1-yl)-ethylamide 40540-74-7 C16H21N7O
    5-amino-pyrazine-2-carboxylic acid 2-(4-pyridin-2-yl-piperazin-1-yl)-ethylamide
    —— 5-amino-4-methylamino-2-phenyl-7<i>H</i>-pyrrolo[2,3-<i>d</i>]pyrimidine-6-carboxylic acid amide 35258-66-3 C14H14N6O
    5-amino-4-methylamino-2-phenyl-7<i>H</i>-pyrrolo[2,3-<i>d</i>]pyrimidine-6-carboxylic acid amide
    —— 5-chloro-3-(4-methyl-piperazin-1-yl)-2<i>H</i>-fluoreno[1,9-<i>ef</i>][1,4]diazepine 1-oxide 5603-41-8 C20H19ClN4O
    5-chloro-3-(4-methyl-piperazin-1-yl)-2<i>H</i>-fluoreno[1,9-<i>ef</i>][1,4]diazepine 1-oxide
    —— 5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid 2-methoxy-ethylamide 40765-14-8 C9H15N5O3S
    5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid 2-methoxy-ethylamide
    —— 5-chloro-2-[4-(3-methyl-2,4,6-trioxo-[1,3,5]triazinan-1-yl)-phenoxy]-benzonitrile 52606-71-0 C17H11ClN4O4
    5-chloro-2-[4-(3-methyl-2,4,6-trioxo-[1,3,5]triazinan-1-yl)-phenoxy]-benzonitrile
    —— 5-bromo-1-dehydroabietyl-2-[4-(3-ethoxycarbonylpropyloxy)-2-methoxy-phenyl]-6-fluoro-benzimidazole 727400-89-7 C40H48BrFN2O4
    5-bromo-1-dehydroabietyl-2-[4-(3-ethoxycarbonylpropyloxy)-2-methoxy-phenyl]-6-fluoro-benzimidazole
    —— 5-(1-{[tert-butyl(dimethyl)silyl]oxy}-1,3-dimethylbut-2-enyl)-4-methylfuran-2(5H)-one 1038861-04-9 C17H30O3Si
    5-(1-{[tert-butyl(dimethyl)silyl]oxy}-1,3-dimethylbut-2-enyl)-4-methylfuran-2(5H)-one
    —— 5-Chloro-2-imino-2H-cyclohepta[b]furan-3-carbonitrile 1133-99-9 C10H5ClN2O
    5-Chloro-2-imino-2H-cyclohepta[b]furan-3-carbonitrile
    —— 5-Benzyloxy-8-isopentyl-7-methoxy-2,2-dimethyl-chroman 855743-92-9 C24H32O3
    5-Benzyloxy-8-isopentyl-7-methoxy-2,2-dimethyl-chroman
    —— 5-Amino-4-carboxy-2-(4'-fluorphenyl)-imidazol 41631-76-9 C10H8FN3O2
    5-Amino-4-carboxy-2-(4'-fluorphenyl)-imidazol
    —— 5-amino-2-(3-chloro-phenyl)-pyrimidine-4-carboxylic acid 2-dimethylamino-ethylamide 23788-80-9 C15H18ClN5O
    5-amino-2-(3-chloro-phenyl)-pyrimidine-4-carboxylic acid 2-dimethylamino-ethylamide
    —— 5-nitro-4'-chloro-thionosalicylic acid anilide 23238-86-0 C13H9ClN2O3S
    5-nitro-4'-chloro-thionosalicylic acid anilide
    —— 5-amino-4-dimethylamino-2-phenyl-2<i>H</i>-pyridazin-3-one 4725-81-9 C12H14N4O
    5-amino-4-dimethylamino-2-phenyl-2<i>H</i>-pyridazin-3-one
    —— 5-[(Z)-Cyclohexylimino]-4-isopropyl-oxazolidine-2-thione 91637-90-0 C12H20N2OS
    5-[(Z)-Cyclohexylimino]-4-isopropyl-oxazolidine-2-thione
    —— 5,5'-bis-octadecyloxy-2,2'-(6-methyl-pyrimidine-2,4-diyl)-bis-phenol 3214-65-1 C53H86N2O4
    5,5'-bis-octadecyloxy-2,2'-(6-methyl-pyrimidine-2,4-diyl)-bis-phenol
    —— 5-[4-[(E)-6-(4-methoxyphenyl)hex-5-enoxy]-3-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropyl]anilino]-5-oxopentanoic acid 134577-72-3 C31H41NO7
    5-[4-[(E)-6-(4-methoxyphenyl)hex-5-enoxy]-3-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropyl]anilino]-5-oxopentanoic acid
    —— 5-{2-[2-(2-Methoxyphenoxy)-1,1-dimethylethylamino]ethyl}-2-methylbenzenesulfonamide hydrochloride 80224-02-8 C20H28N2O4S*ClH
    5-{2-[2-(2-Methoxyphenoxy)-1,1-dimethylethylamino]ethyl}-2-methylbenzenesulfonamide hydrochloride
    —— 5-{3-chloro-6-methoxy-2-methyl-5-[1-(9H-purin-6-ylamino)ethyl]phenyl}nicotinonitrile 1382993-35-2 C21H18ClN7O
    5-{3-chloro-6-methoxy-2-methyl-5-[1-(9H-purin-6-ylamino)ethyl]phenyl}nicotinonitrile
    —— 5-(3,4-dichlorophenyl)-3-(4-tetrahydropyranyl)imino-2-(6-methyl-3-pyridyl)amino-3,5-dihydrophenazine 1353738-56-3 C29H25Cl2N5O
    5-(3,4-dichlorophenyl)-3-(4-tetrahydropyranyl)imino-2-(6-methyl-3-pyridyl)amino-3,5-dihydrophenazine
    —— 5-(3,4-dichlorophenyl)-3-cyclobutylimino-2-(6-methyl-3-pyridyl)amino-3,5-dihydrophenazine 1353738-58-5 C28H23Cl2N5
    5-(3,4-dichlorophenyl)-3-cyclobutylimino-2-(6-methyl-3-pyridyl)amino-3,5-dihydrophenazine