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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-ethyl-pyrrole-3,4-dicarboxylic acid diethyl ester 18886-59-4 C12H17NO4
    2-ethyl-pyrrole-3,4-dicarboxylic acid diethyl ester
    —— 2-chloro-4-(4-cyclohexylbutoxy)benzaldehyde 1234323-47-7 C17H23ClO2
    2-chloro-4-(4-cyclohexylbutoxy)benzaldehyde
    —— (2,6-dichlorophenyl)pentafluorophenylmethanol 1226497-07-9 C13H5Cl2F5O
    (2,6-dichlorophenyl)pentafluorophenylmethanol
    —— (2-ethyl-hexyl)-[1-(2-ethyl-hexyl)-2,4-dimethyl-4,5-dihydro-1<i>H</i>-imidazol-4-ylmethyl]-methyl-amine 95491-44-4 C23H47N3
    (2-ethyl-hexyl)-[1-(2-ethyl-hexyl)-2,4-dimethyl-4,5-dihydro-1<i>H</i>-imidazol-4-ylmethyl]-methyl-amine
    —— 2-[4-(4-methylpent-3-enyl)-1-nitrocyclohex-3-en-1-yl]ethylsulfinylbenzene 83566-03-4 C20H27NO3S
    2-[4-(4-methylpent-3-enyl)-1-nitrocyclohex-3-en-1-yl]ethylsulfinylbenzene
    —— 2-(dibenzylamino)-4-methylbenzaldehyde 1291080-83-5 C22H21NO
    2-(dibenzylamino)-4-methylbenzaldehyde
    —— 2,3-Dihydro-7-hydroxy-6-(1-indolinylcarbonyl)-9-methoxy-5-oxo-5H-pyrido[1,2,3-de]-1,4-benzothiazine 151327-74-1 C21H18N2O4S
    2,3-Dihydro-7-hydroxy-6-(1-indolinylcarbonyl)-9-methoxy-5-oxo-5H-pyrido[1,2,3-de]-1,4-benzothiazine
    —— (2,3-Epoxypropyl)bicyclo<2.2.1>heptan-2,3-dicarboxylat 23838-81-5 C15H20O6
    (2,3-Epoxypropyl)bicyclo<2.2.1>heptan-2,3-dicarboxylat
    —— 2'-O-(bis(2-acetoxyethoxy)methyl)-5'-O-[bis(trimethylsiloxy)(cyclododecyloxy)silyl]-4-N-(4,4'-dimethoxytrityl)cytidine 874889-91-5 C57H85N3O16Si3
    2'-O-(bis(2-acetoxyethoxy)methyl)-5'-O-[bis(trimethylsiloxy)(cyclododecyloxy)silyl]-4-N-(4,4'-dimethoxytrityl)cytidine
    —— 2-(2-nitro-2-propyl)-1-phenyl-1-butanone 78706-74-8 C13H17NO3
    2-(2-nitro-2-propyl)-1-phenyl-1-butanone
    —— (2-methyl-4-o-tolylazo-phenyl)-carbamic acid-(2-fluoro-ethyl ester) 451-86-5 C17H18FN3O2
    (2-methyl-4-o-tolylazo-phenyl)-carbamic acid-(2-fluoro-ethyl ester)
    —— (2S,4R)-4-(2,3-dihydrofuro[2,3-f]isoquinolin-6-yloxy)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid 630423-10-8 C21H24N2O6
    (2S,4R)-4-(2,3-dihydrofuro[2,3-f]isoquinolin-6-yloxy)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid
    —— 2,2-Dimethyl-propionic acid (2R,3R,4S,5S,6R)-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-((S)-4-oxo-3,4,5,6-tetrahydro-2H-[2,3']bipyridinyl-1-yl)-tetrahydro-pyran-3-yl ester 121675-93-2 C36H54N2O10
    2,2-Dimethyl-propionic acid (2R,3R,4S,5S,6R)-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-((S)-4-oxo-3,4,5,6-tetrahydro-2H-[2,3']bipyridinyl-1-yl)-tetrahydro-pyran-3-yl ester
    —— 2-[5-methyl-3-[(4-methylphenoxy)methyl]-1,2-oxazol-4-yl]acetic acid 109419-26-3 C14H15NO4
    2-[5-methyl-3-[(4-methylphenoxy)methyl]-1,2-oxazol-4-yl]acetic acid
    —— (2R,4R)-4-methoxy-pyrrolidine-1,2-dicarboxylic acid-1-(5-chloro-pyridin-2-yl)amide-2-(3-methyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-yl)amide 945755-72-6 C23H28ClN5O3
    (2R,4R)-4-methoxy-pyrrolidine-1,2-dicarboxylic acid-1-(5-chloro-pyridin-2-yl)amide-2-(3-methyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-yl)amide
    —— (2S,3R)-2-[[(2S,4S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-methylpentanoyl]-4-fluoropyrrolidine-2-carbonyl]amino]-3-hydroxybutanoic acid 1096160-67-6 C30H47FN8O8
    (2S,3R)-2-[[(2S,4S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-methylpentanoyl]-4-fluoropyrrolidine-2-carbonyl]amino]-3-hydroxybutanoic acid
    —— 2-Chloro-3-fluoro-5-iodopyridine-4-carbaldehyde 2219371-00-1 C6H2ClFINO
    2-Chloro-3-fluoro-5-iodopyridine-4-carbaldehyde
    —— 2-(3,4-dihydroxycyclohexyl)-2-hydroxyacetonitrile 1373019-14-7 C8H13NO3
    2-(3,4-dihydroxycyclohexyl)-2-hydroxyacetonitrile
    —— 2-[(3R)-3-hydroxy-1-methyl-2-oxo-5-(trifluoromethyl)indol-3-yl]prop-2-enal 1246886-66-7 C13H10F3NO3
    2-[(3R)-3-hydroxy-1-methyl-2-oxo-5-(trifluoromethyl)indol-3-yl]prop-2-enal
    —— 2-(piperidin-2-ylideneamino)benzene-1-sulfonic acid 1254838-78-2 C11H14N2O3S
    2-(piperidin-2-ylideneamino)benzene-1-sulfonic acid
    —— (2R,3R,4S,5R,6R)-3,4,5-Tris-benzyloxy-2-(4-methoxy-benzyloxymethyl)-6-((2R,3R,4S,5R)-3,4,5-tris-benzyloxy-6-oxo-piperidin-2-ylmethoxy)-piperidine-1-carboxylic acid tert-butyl ester 851220-46-7 C67H74N2O12
    (2R,3R,4S,5R,6R)-3,4,5-Tris-benzyloxy-2-(4-methoxy-benzyloxymethyl)-6-((2R,3R,4S,5R)-3,4,5-tris-benzyloxy-6-oxo-piperidin-2-ylmethoxy)-piperidine-1-carboxylic acid tert-butyl ester
    —— 2-Bromo-6-(trifluoromethoxy)benzene-1-sulfonyl chloride 2168812-38-0 C7H3BrClF3O3S
    2-Bromo-6-(trifluoromethoxy)benzene-1-sulfonyl chloride
    —— 2-(2,2,3,3,4,4,4-Heptafluorobutanoyl)hydrazine-1-carboximidamide 25978-98-7 C5H5F7N4O
    2-(2,2,3,3,4,4,4-Heptafluorobutanoyl)hydrazine-1-carboximidamide
    —— (-)-(2S)-ethyl-6-dihydro-3,4-methyl-2-oxo-4-2H-pyranecarboxylate-5 de tert-butyle 125404-68-4 C13H20O4
    (-)-(2S)-ethyl-6-dihydro-3,4-methyl-2-oxo-4-2H-pyranecarboxylate-5 de tert-butyle
    —— 2-chloro-2-fluoro-2-phenylethanol 1062229-02-0 C8H8ClFO
    2-chloro-2-fluoro-2-phenylethanol
    —— 2,2,3,3-Tetrafluorcyclobutyl-ethylcarbinol 51533-29-0 C7H10F4O
    2,2,3,3-Tetrafluorcyclobutyl-ethylcarbinol
    —— 2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl-(1->2)-6-O-acetyl-3,4-di-O-benzoyl-α-D-mannopyranosyl trichloroacetimidate 583043-10-1 C58H48Cl3NO18
    2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl-(1->2)-6-O-acetyl-3,4-di-O-benzoyl-α-D-mannopyranosyl trichloroacetimidate
    —— 2-[(4-fluorobenzyl)-(2-isopropyl-6-methyl-5-phenylethynylpyrimidin-4-yl)-amino]-4-methylpentanoic acid 4-methoxybenzylamide 1461736-33-3 C37H41FN4O2
    2-[(4-fluorobenzyl)-(2-isopropyl-6-methyl-5-phenylethynylpyrimidin-4-yl)-amino]-4-methylpentanoic acid 4-methoxybenzylamide
    —— 2-amino-4-chloro-N-quinolin-8-yl-benzenesulfonamide 1013759-91-5 C15H12ClN3O2S
    2-amino-4-chloro-N-quinolin-8-yl-benzenesulfonamide
    —— 2,2-bis(ethylthio)-3,3-dimethylpent-4-enenitrile 96694-73-4 C11H19NS2
    2,2-bis(ethylthio)-3,3-dimethylpent-4-enenitrile
    —— 2,5-anhydro-6-azido-4-O-(biphenyl-4-ylmethyl)-6-deoxy-D-gluconic acid 898225-43-9 C19H19N3O5
    2,5-anhydro-6-azido-4-O-(biphenyl-4-ylmethyl)-6-deoxy-D-gluconic acid
    —— 2-methyl-3,5,6,7,8,9-hexahydroazepino[4,5-f]isoindol-1(2H)-one 1016977-10-8 C13H16N2O
    2-methyl-3,5,6,7,8,9-hexahydroazepino[4,5-f]isoindol-1(2H)-one
    —— 2,2-Dimethyl-5-(1-methylsulfanylbutylidene)-1,3-dioxane-4,6-dione 112182-62-4 C11H16O4S
    2,2-Dimethyl-5-(1-methylsulfanylbutylidene)-1,3-dioxane-4,6-dione
    —— 2-Acetamino-2-desoxy-5-O-trityl-D-ribofuranose 122596-87-6 C26H27NO5
    2-Acetamino-2-desoxy-5-O-trityl-D-ribofuranose
    —— 2-(5-methylsulfanyl-3-phenyl-2,3-dihydro-[1,3,4]thiadiazol-2-yl)-pyridine 25976-61-8 C14H13N3S2
    2-(5-methylsulfanyl-3-phenyl-2,3-dihydro-[1,3,4]thiadiazol-2-yl)-pyridine
    —— {2-[9-(2-Dimethylaminomethyl-phenyl)-8a,9a-diaza-9-sila-fluoren-9-yl]-benzyl}-dimethyl-amine 143504-50-1 C28H32N4Si
    {2-[9-(2-Dimethylaminomethyl-phenyl)-8a,9a-diaza-9-sila-fluoren-9-yl]-benzyl}-dimethyl-amine
    —— 2-cyclohexanecarbonyl-butyric acid methyl ester 854709-35-6 C12H20O3
    2-cyclohexanecarbonyl-butyric acid methyl ester
    —— 2-<(N-Acetyl-sulfanil)-amino>-4-<2-hydroxy-4-aethyl-phenyl>-thiazol 108368-11-2 C19H19N3O4S2
    2-<(N-Acetyl-sulfanil)-amino>-4-<2-hydroxy-4-aethyl-phenyl>-thiazol
    —— 2-benzyloxy-4,5-dimethoxy-3-methyliodobenzene 185981-84-4 C16H17IO3
    2-benzyloxy-4,5-dimethoxy-3-methyliodobenzene
    —— 2-((S)-6,6-Dimethyl-bicyclo[3.1.1]hept-2-ylmethylsulfanyl)-benzothiazole 93366-50-8 C17H21NS2
    2-((S)-6,6-Dimethyl-bicyclo[3.1.1]hept-2-ylmethylsulfanyl)-benzothiazole
    —— 2-fluoro-4-amidinopyridine hydrochloride 2206703-81-1 C6H6FN3*ClH
    2-fluoro-4-amidinopyridine hydrochloride
    —— (2S)-3-methyl-2-(tetrahydropyran-2-yloxy)butan-1-ol 204686-67-9 C10H20O3
    (2S)-3-methyl-2-(tetrahydropyran-2-yloxy)butan-1-ol
    —— 2-(butylamino)-1-cyclopentyl-1H-benzo[d]imidazole-5-carboxylic acid methyl ester 1329121-65-4 C18H25N3O2
    2-(butylamino)-1-cyclopentyl-1H-benzo[d]imidazole-5-carboxylic acid methyl ester
    —— 2-methyl-4-(3-hydroxypropylamino)-benzo<g>-1(2H)-phthalazinone 77766-52-0 C16H17N3O2
    2-methyl-4-(3-hydroxypropylamino)-benzo<g>-1(2H)-phthalazinone
    —— [2-Amino-5-(cyclohexen-1-yl)pyridin-3-yl]-[6-(1,4-diazepan-1-yl)pyridin-2-yl]methanone 1042983-42-5 C22H27N5O
    [2-Amino-5-(cyclohexen-1-yl)pyridin-3-yl]-[6-(1,4-diazepan-1-yl)pyridin-2-yl]methanone
    —— 2-(2-Cyano-4-methoxycarbonylphenoxy)acetic acid 609804-61-7 C11H9NO5
    2-(2-Cyano-4-methoxycarbonylphenoxy)acetic acid
    —— 2,2'-dihexoxy-5-ethylchalcone 219300-66-0 C29H40O3
    2,2'-dihexoxy-5-ethylchalcone
    —— 2-p-Chlorphenyl-5-n-isobutylamino-1,3,4-thiadiazol 35313-84-9 C12H14ClN3S
    2-p-Chlorphenyl-5-n-isobutylamino-1,3,4-thiadiazol
    —— 2'-[(2S)-2-(methoxymethyl)pyrrolidin-1-yl]spiro[cyclopentene-3,3'-isoindole]-1'-one 129816-07-5 C18H22N2O2
    2'-[(2S)-2-(methoxymethyl)pyrrolidin-1-yl]spiro[cyclopentene-3,3'-isoindole]-1'-one
    —— 2-(2,2-Dimethyl-[1,3]dioxolan-4-ylmethyl)-2H-pyrazolo[3,4-d]pyrimidin-4-ylamine 135488-45-8 C11H15N5O2
    2-(2,2-Dimethyl-[1,3]dioxolan-4-ylmethyl)-2H-pyrazolo[3,4-d]pyrimidin-4-ylamine