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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-fluoro-3-(4-iodo-1H-1,2,3-triazol-1-yl)-pyridine 1086032-28-1 C7H4FIN4
    2-fluoro-3-(4-iodo-1H-1,2,3-triazol-1-yl)-pyridine
    —— 2-hexyl-benzo[c]pyrazolo[1,2-a]cinnoline-1,3-dione 116104-41-7 C21H22N2O2
    2-hexyl-benzo[c]pyrazolo[1,2-a]cinnoline-1,3-dione
    —— 2-Benzyl-4-phenylpyridazin-3-one 1174673-75-6 C17H14N2O
    2-Benzyl-4-phenylpyridazin-3-one
    —— 2-((4-(4-chlorophenyl)-1,2,3-thiadiazol-5-yl)thio)-N-phenylacetamide 1649504-31-3 C16H12ClN3OS2
    2-((4-(4-chlorophenyl)-1,2,3-thiadiazol-5-yl)thio)-N-phenylacetamide
    —— (2R,3R,4S,5S)-4-Benzyloxy-6-(tert-butyl-diphenyl-silanyloxy)-3,5-dimethyl-hexane-1,2-diol 936495-03-3 C31H42O4Si
    (2R,3R,4S,5S)-4-Benzyloxy-6-(tert-butyl-diphenyl-silanyloxy)-3,5-dimethyl-hexane-1,2-diol
    —— 2,5-di-O-benzyl-1,6-di-O-dimethoxytriphenylmethyl-3,4-O-isopropylidene-L-iditol 288261-51-8 C65H66O10
    2,5-di-O-benzyl-1,6-di-O-dimethoxytriphenylmethyl-3,4-O-isopropylidene-L-iditol
    —— 2-methoxy-6-methyl-1-nitro-14H-naphtho[2',1':5,6][1,4]oxazino[2,3-c]quinoline 54073-90-4 C21H15N3O4
    2-methoxy-6-methyl-1-nitro-14H-naphtho[2',1':5,6][1,4]oxazino[2,3-c]quinoline
    —— 2-Oxo-5-hydroxy-6-benzhydrylpiperidine 136898-56-1 C18H19NO2
    2-Oxo-5-hydroxy-6-benzhydrylpiperidine
    —— (2R,3S,4R)-2,3,4-Trimethoxy-5-(toluene-4-sulfonyloxy)-pentanoic acid benzyl ester 179930-70-2 C22H28O8S
    (2R,3S,4R)-2,3,4-Trimethoxy-5-(toluene-4-sulfonyloxy)-pentanoic acid benzyl ester
    —— 2-chloro-9-(2-chloro-ethyl)-9<i>H</i>-purine-6-carboxylic acid methyl ester 109047-45-2 C9H8Cl2N4O2
    2-chloro-9-(2-chloro-ethyl)-9<i>H</i>-purine-6-carboxylic acid methyl ester
    —— 2-hydroxy[phenyl-3,4,5,6-3H4]benzaldehyde 1119670-60-8 C7H6O2
    2-hydroxy[phenyl-3,4,5,6-3H4]benzaldehyde
    —— 2-Chlor-3-(trifluoracetamido)propionsaeure 50667-62-4 C5H5ClF3NO3
    2-Chlor-3-(trifluoracetamido)propionsaeure
    —— 2-ethoxycarbonylmethylthio-3-cyano-5,6-dihydro-4-(2-furyl)-benzo<h>quinoline 156419-26-0 C22H18N2O3S
    2-ethoxycarbonylmethylthio-3-cyano-5,6-dihydro-4-(2-furyl)-benzo<h>quinoline
    —— (2S,4E)-6-hydroxy-5-methyl-2-(prop-1-en-2-yl)hex-4-enyl 4-methylbenzenesulfonate 1298063-76-9 C17H24O4S
    (2S,4E)-6-hydroxy-5-methyl-2-(prop-1-en-2-yl)hex-4-enyl 4-methylbenzenesulfonate
    —— 2,3-dihydroxy-N-(3-((3-(pyridin-2-yl)-1H-pyrazol-1-yl)methyl)phenyl)benzamide hydrobromide 1476778-32-1 BrH*C22H18N4O3
    2,3-dihydroxy-N-(3-((3-(pyridin-2-yl)-1H-pyrazol-1-yl)methyl)phenyl)benzamide hydrobromide
    —— 2,2-dimethoxyethyl crotonate 124887-90-7 C8H14O4
    2,2-dimethoxyethyl crotonate
    —— 2-(p-Nitrobenzylidene)-1-thia-4-benzylazaspiro<4.5>decan-3-one 148504-36-3 C22H22N2O3S
    2-(p-Nitrobenzylidene)-1-thia-4-benzylazaspiro<4.5>decan-3-one
    —— [(2-chloroquinolin-3-yl)methylideneamino] 3,5-dinitrobenzoate 1357170-18-3 C17H9ClN4O6
    [(2-chloroquinolin-3-yl)methylideneamino] 3,5-dinitrobenzoate
    —— 2-<3-<3-(5-methylsalicyl)-2-hydroxy-5-methylphenylthio>-5-methylsalicyl>-4-methylphenol 133785-85-0 C30H30O4S
    2-<3-<3-(5-methylsalicyl)-2-hydroxy-5-methylphenylthio>-5-methylsalicyl>-4-methylphenol
    —— (2R,3R,4R,5R,6S)-5-azido-6-(((2R,3R,4R,5R,6S)-5-azido-2-(azidomethyl)-4-(benzyloxy)-6-methoxytetrahydro-2H-pyran-3-yl)oxy)-4-(benzyloxy)-2-((1,3-dioxoisoindolin-2-yl)methyl)tetrahydro-2H-pyran-3-yl acetate 1379976-86-9 C37H38N10O10
    (2R,3R,4R,5R,6S)-5-azido-6-(((2R,3R,4R,5R,6S)-5-azido-2-(azidomethyl)-4-(benzyloxy)-6-methoxytetrahydro-2H-pyran-3-yl)oxy)-4-(benzyloxy)-2-((1,3-dioxoisoindolin-2-yl)methyl)tetrahydro-2H-pyran-3-yl acetate
    —— 2-[4-(2-chloroethyl)piperazin-1-yl]-N-(2,6-dichlorophenyl)acetamide 136744-04-2 C14H18Cl3N3O
    2-[4-(2-chloroethyl)piperazin-1-yl]-N-(2,6-dichlorophenyl)acetamide
    —— 2',5'-diethyl-3',6'-diphenyl-p-quaterphenyl 111288-95-0 C40H34
    2',5'-diethyl-3',6'-diphenyl-p-quaterphenyl
    —— (2R,3R,4R,6R)-6-(4-(2-(benzyl((benzyloxy)carbonyl)amino)ethyl)-2-methoxyphenethoxy)-2-((R)-1,2-diacetoxyethyl)-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4-diyl diacetate 1427442-48-5 C43H51NO15
    (2R,3R,4R,6R)-6-(4-(2-(benzyl((benzyloxy)carbonyl)amino)ethyl)-2-methoxyphenethoxy)-2-((R)-1,2-diacetoxyethyl)-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4-diyl diacetate
    —— 2,3,5-Trifluoro-4-hydroxybenzeneacetic acid 1042703-36-5 C8H5F3O3
    2,3,5-Trifluoro-4-hydroxybenzeneacetic acid
    —— 2-Chloro-N-[(4-pyridinylamino)carbonyl]benzenesulfonamide 125089-62-5 C12H10ClN3O3S
    2-Chloro-N-[(4-pyridinylamino)carbonyl]benzenesulfonamide
    —— 2-Pyridinebutanoic acid, I(2)-amino-5-(hydroxymethyl)- 1391014-48-4 C10H14N2O3
    2-Pyridinebutanoic acid, I(2)-amino-5-(hydroxymethyl)-
    —— (2-Methoxy-benzyl)-[6-(2-pyridin-4-yl-ethyl)-quinolin-2-yl]-amine 1136478-96-0 C24H23N3O
    (2-Methoxy-benzyl)-[6-(2-pyridin-4-yl-ethyl)-quinolin-2-yl]-amine
    —— 2-Propenoic acid, 3-(2,3-diiodo-6-methoxyphenyl)- 1807413-65-5 C10H8I2O3
    2-Propenoic acid, 3-(2,3-diiodo-6-methoxyphenyl)-
    —— 2,4-Pyrimidinediamine, N4-cyclopropyl-N2-(2-methylpropyl)- 1498956-60-7 C11H18N4
    2,4-Pyrimidinediamine, N4-cyclopropyl-N2-(2-methylpropyl)-
    —— 2-Pyridinecarboxamide, 5-fluoro-6-formyl-N-methyl- 1289070-14-9 C8H7FN2O2
    2-Pyridinecarboxamide, 5-fluoro-6-formyl-N-methyl-
    —— 2,4-Dihydro-4-(mercaptophenylmethylene)-5-methyl-2-phenyl-3H-pyrazole-3-thione 33656-66-5 C17H14N2S2
    2,4-Dihydro-4-(mercaptophenylmethylene)-5-methyl-2-phenyl-3H-pyrazole-3-thione
    —— (2R)-2-[2,4,6-Trifluoro-3-(trifluoromethyl)phenyl]piperazine 1213852-53-9 C11H10F6N2
    (2R)-2-[2,4,6-Trifluoro-3-(trifluoromethyl)phenyl]piperazine
    —— 2-[[4-(4-Pyrimidinyl)-1-piperazinyl]methyl]benzenamine 1208082-28-3 C15H19N5
    2-[[4-(4-Pyrimidinyl)-1-piperazinyl]methyl]benzenamine
    —— 2-chlorocy-1,3-cloheptadiene 90084-82-5 C7H9Cl
    2-chlorocy-1,3-cloheptadiene
    —— 2-fluoro 3-cyclohexyl propane-oate de methyle 136291-64-0 C9H15FO2
    2-fluoro 3-cyclohexyl propane-oate de methyle
    —— 2-amino-3-[4-(1<i>H</i>-imidazol-2-ylamino)-phenyl]-2-methyl-propionic acid 136523-01-8 C13H16N4O2
    2-amino-3-[4-(1<i>H</i>-imidazol-2-ylamino)-phenyl]-2-methyl-propionic acid
    —— 2-Hydroxy-4-methoxy-5-aethylbenzophenon 59623-21-1 C16H16O3
    2-Hydroxy-4-methoxy-5-aethylbenzophenon
    —— 2-(((1-mesitylsulfonyl)piperidin-2-yl)methoxy)-1-(1-phenyl-6-(pyrrolidin-1-ylmethyl)-3,4-dihydropyrrolo[1,2-a]pyrazin-2(1H)-yl)ethanone 1174067-62-9 C35H46N4O4S
    2-(((1-mesitylsulfonyl)piperidin-2-yl)methoxy)-1-(1-phenyl-6-(pyrrolidin-1-ylmethyl)-3,4-dihydropyrrolo[1,2-a]pyrazin-2(1H)-yl)ethanone
    —— 2-(4-(8-(6-(dimethylamino)pyridin-3-yl)-3-methyl-2-oxo-2,3-dihydroimidazo[4,5-c][1,5]naphthyridin-1-yl)phenyl)-2-methylpropanenitrile 1220699-15-9 C27H25N7O
    2-(4-(8-(6-(dimethylamino)pyridin-3-yl)-3-methyl-2-oxo-2,3-dihydroimidazo[4,5-c][1,5]naphthyridin-1-yl)phenyl)-2-methylpropanenitrile
    —— 2-(2-chloro-6-methyl-ergolin-8-yl)-acetamide 65695-21-8 C17H20ClN3O
    2-(2-chloro-6-methyl-ergolin-8-yl)-acetamide
    —— 2-Phenylthio-3,7-dehydrotropon 72009-06-4 C13H8OS
    2-Phenylthio-3,7-dehydrotropon
    —— 2-acetylamino-2-(1<i>H</i>-tetrazol-5-yl)-3-<i>m</i>-tolyl-propionic acid ethyl ester 65228-26-4 C15H19N5O3
    2-acetylamino-2-(1<i>H</i>-tetrazol-5-yl)-3-<i>m</i>-tolyl-propionic acid ethyl ester
    —— 2-(8,10-Heptadecadiinyl)furan 60044-78-2 C21H30O
    2-(8,10-Heptadecadiinyl)furan
    —— 2-Anilino-3-benzylidenphthalimidin 66614-77-5 C21H16N2O
    2-Anilino-3-benzylidenphthalimidin
    —— 2-methyl-benzooxazole-4-carboxylic acid [3-(2-methyl-5-m-tolyl-thiazole-4-carbonyl)-oxazolidin-2-ylmethyl]-amide 1220346-94-0 C25H24N4O4S
    2-methyl-benzooxazole-4-carboxylic acid [3-(2-methyl-5-m-tolyl-thiazole-4-carbonyl)-oxazolidin-2-ylmethyl]-amide
    —— (2S,5R)-N-[4-(aminocarbonyl)phenyl]-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide 1174019-61-4 C14H16N4O7S
    (2S,5R)-N-[4-(aminocarbonyl)phenyl]-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide
    —— 2-amino-1-[3]phenanthryl-ethanol 64645-97-2 C16H15NO
    2-amino-1-[3]phenanthryl-ethanol
    —— 2-(1,5-diphenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-benzo[<i>d</i>][1,3]oxazin-4-one 55899-85-9 C22H14N4O2
    2-(1,5-diphenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-benzo[<i>d</i>][1,3]oxazin-4-one
    —— 2-Amino-1-(2,2-dioxo-2,3-dihydro-1H-2λ<sup>6</sup>-benzo[1,2,5]thiadiazol-5-yl)-ethanol; hydrobromide 78990-93-9 BrH*C8H11N3O3S
    2-Amino-1-(2,2-dioxo-2,3-dihydro-1H-2λ<sup>6</sup>-benzo[1,2,5]thiadiazol-5-yl)-ethanol; hydrobromide
    —— 2-S(3-Dimethylamino-propyl)-thio-4,5-diphenyloxazol-iodmethylat 59716-83-5 C21H25N2OS*I
    2-S(3-Dimethylamino-propyl)-thio-4,5-diphenyloxazol-iodmethylat