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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Cyano-2-(trifluoromethyl)-4-pentenoylfluorid 42104-84-7 C7H5F4NO
    2-Cyano-2-(trifluoromethyl)-4-pentenoylfluorid
    —— 2-(4-methoxy-phenylimino)-1,2-di-pyridin-2-yl-ethanone 50702-43-7 C19H15N3O2
    2-(4-methoxy-phenylimino)-1,2-di-pyridin-2-yl-ethanone
    —— (2R,3R,4S,5S,6R)-2-[(S)-1-(2-Hydroxy-ethyl)-allyloxy]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol 130713-22-3 C11H20O7
    (2R,3R,4S,5S,6R)-2-[(S)-1-(2-Hydroxy-ethyl)-allyloxy]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol
    —— 2-pyridin-3-yl-1,4-dihydro-benzo[<i>e</i>][1,2,4]triazepin-5-one 30909-97-8 C13H10N4O
    2-pyridin-3-yl-1,4-dihydro-benzo[<i>e</i>][1,2,4]triazepin-5-one
    —— [2]naphthyl-(3-phenyl-benzo[f]quinolin-1-yl)-amine 116400-89-6 C29H20N2
    [2]naphthyl-(3-phenyl-benzo[f]quinolin-1-yl)-amine
    —— 2-amino-4-methyl-3-nitropyridinium trifluoroacetate 1251901-04-8 C2HF3O2*C6H7N3O2
    2-amino-4-methyl-3-nitropyridinium trifluoroacetate
    —— 2,2'-dichloro-10H,10'H-10,10'-(N,N'-piperazine-1,4-diyl-diglycyl)-bis-phenothiazine 21417-29-8 C32H28Cl2N6O2S2
    2,2'-dichloro-10H,10'H-10,10'-(N,N'-piperazine-1,4-diyl-diglycyl)-bis-phenothiazine
    —— 2-(chroman-4-yl)ethyl methanesulfonate 188111-35-5 C12H16O4S
    2-(chroman-4-yl)ethyl methanesulfonate
    —— 2-ethyl-3,5,7-trimethyl-indan-1-one 100971-63-9 C14H18O
    2-ethyl-3,5,7-trimethyl-indan-1-one
    —— 2-(5-(((tert-butyldimethylsilyl)oxy)methyl)-3-ethylthiophen-2-yl)-5-(3-chloro-4-isopropoxyphenyl)thiazole 1374354-36-5 C25H34ClNO2S2Si
    2-(5-(((tert-butyldimethylsilyl)oxy)methyl)-3-ethylthiophen-2-yl)-5-(3-chloro-4-isopropoxyphenyl)thiazole
    —— 2'-(anthraquinone-2-ylcarboxamido)-3'-O-(tert-butyldimethylsilyl)-2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-N4-(allyloxycarbonylaminoethyl)cytidine 1528642-26-3 C57H61N5O11Si
    2'-(anthraquinone-2-ylcarboxamido)-3'-O-(tert-butyldimethylsilyl)-2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-N4-(allyloxycarbonylaminoethyl)cytidine
    —— 2-[3-oxo-2-(trimethylsilyl)butyl]-7,7-dimethyl-3-cyclohepten-1-one 505082-80-4 C16H28O2Si
    2-[3-oxo-2-(trimethylsilyl)butyl]-7,7-dimethyl-3-cyclohepten-1-one
    —— 2,2-[(1,3-dimethyl-1,3-propanediylidene)dinitrilo]bis-benzenethiolato cadmium(II) 730959-08-7 C17H16CdN2S2
    2,2-[(1,3-dimethyl-1,3-propanediylidene)dinitrilo]bis-benzenethiolato cadmium(II)
    —— 2-[2-(trifluoromethyl)cyclohexylidene]malononitrile 1046786-38-2 C10H9F3N2
    2-[2-(trifluoromethyl)cyclohexylidene]malononitrile
    —— ((2S)-3,3-bis(3-(ethoxycarbonyl)-1-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)-2-((S)-2-((S)-1-(glycyl-L-prolyl-L-seryl-L-valyl-L-phenylalanyl)pyrrolidine-2-carboxamido)-4-methylpentanamido)propanoyl)-L-threonyl-L-prolyl-L-seryl-L-arginine 1609644-04-3 C70H105N19O22
    ((2S)-3,3-bis(3-(ethoxycarbonyl)-1-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)-2-((S)-2-((S)-1-(glycyl-L-prolyl-L-seryl-L-valyl-L-phenylalanyl)pyrrolidine-2-carboxamido)-4-methylpentanamido)propanoyl)-L-threonyl-L-prolyl-L-seryl-L-arginine
    —— (2S)-2-({2-amino-5-[2-methoxy-4-(pyrrolidin-1-ylmethyl)benzyl]-6-methylpyrimidin-4-yl}amino)pentan-1-ol 1376514-30-5 C23H35N5O2
    (2S)-2-({2-amino-5-[2-methoxy-4-(pyrrolidin-1-ylmethyl)benzyl]-6-methylpyrimidin-4-yl}amino)pentan-1-ol
    —— 2,6-Bis-<bis-(2-hydroxyethyl)amino>-4,8-bis-1,2,3,4-tetrahydrochinolino-pyrimido<5,4-d>pyrimidin 16908-52-4 C32H40N8O4
    2,6-Bis-<bis-(2-hydroxyethyl)amino>-4,8-bis-1,2,3,4-tetrahydrochinolino-pyrimido<5,4-d>pyrimidin
    —— 2-Methyl-3-{[1-morpholin-4-yl-meth-(E)-ylidene]-amino}-6-[(E)-2-(5-nitro-furan-2-yl)-vinyl]-2H-[1,2,4]triazin-5-one 22796-87-8 C15H16N6O5
    2-Methyl-3-{[1-morpholin-4-yl-meth-(E)-ylidene]-amino}-6-[(E)-2-(5-nitro-furan-2-yl)-vinyl]-2H-[1,2,4]triazin-5-one
    —— 2-(4-Phenylethynyl-phenyl)-indan-1,3-dione 42410-39-9 C23H14O2
    2-(4-Phenylethynyl-phenyl)-indan-1,3-dione
    —— 2-ethyl-1,3-bis-(3-ethyl-5-styryl-benzothiazol-2-yl)-trimethinium ; iodide 108626-76-2 C39H37N2S2*I
    2-ethyl-1,3-bis-(3-ethyl-5-styryl-benzothiazol-2-yl)-trimethinium ; iodide
    —— 2-Pyridin-2-yl-1,3-bis-(3-trifluoromethyl-phenylsulfanyl)-propan-2-ol; hydrochloride 77915-64-1 C22H17F6NOS2*ClH
    2-Pyridin-2-yl-1,3-bis-(3-trifluoromethyl-phenylsulfanyl)-propan-2-ol; hydrochloride
    —— [(2,2'-ethylidene-bis(4,6-di-tert-butylphenoxo))Sm(μ-OPr-i)(THF)2]2 910898-17-8 C82H134O10Sm2
    [(2,2'-ethylidene-bis(4,6-di-tert-butylphenoxo))Sm(μ-OPr-i)(THF)2]2
    —— ((2R,3S,4S,5R,6R)-6-(((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methoxy)-3,4,5-tris(methoxymethoxy)tetrahydro-2H-pyran-2-yl)methanol 1253857-19-0 C21H38O13
    ((2R,3S,4S,5R,6R)-6-(((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methoxy)-3,4,5-tris(methoxymethoxy)tetrahydro-2H-pyran-2-yl)methanol
    —— 2-(4-nitrophenyl)-4-(trifluoromethyl)-1H-pyrrole 1589544-51-3 C11H7F3N2O2
    2-(4-nitrophenyl)-4-(trifluoromethyl)-1H-pyrrole
    —— (2-Oxo-cyclohexyl)-(4'-pyridazinyl)-carbinol 50901-55-8 C11H14N2O2
    (2-Oxo-cyclohexyl)-(4'-pyridazinyl)-carbinol
    —— 2-[4-(3,4-Dimethyl-phenylsulfamoyl)-phenylazo]-3-oxo-3-phenyl-propionic acid ethyl ester 53284-24-5 C25H25N3O5S
    2-[4-(3,4-Dimethyl-phenylsulfamoyl)-phenylazo]-3-oxo-3-phenyl-propionic acid ethyl ester
    —— 2-(4-Chloro-phenyl)-6-isopropyl-pyran-4-thione 54103-51-4 C14H13ClOS
    2-(4-Chloro-phenyl)-6-isopropyl-pyran-4-thione
    —— 2,4-Di-n-butyl-1,5-dimethyl-1,2,4,5-tetraazacycloheptan 54753-54-7 C13H30N4
    2,4-Di-n-butyl-1,5-dimethyl-1,2,4,5-tetraazacycloheptan
    —— 2-acetylamino-thieno[2,3-<i>b</i>]thiophene-3-carboxylic acid methyl ester 40548-10-5 C10H9NO3S2
    2-acetylamino-thieno[2,3-<i>b</i>]thiophene-3-carboxylic acid methyl ester
    —— 2-Acetoxy-propionic acid 2-cyano-3,5-dimethyl-hexyl ester 53324-15-5 C14H23NO4
    2-Acetoxy-propionic acid 2-cyano-3,5-dimethyl-hexyl ester
    —— 2-(1-benzyl-piperidin-4-ylidenemethyl)-indole 41979-62-8 C21H22N2
    2-(1-benzyl-piperidin-4-ylidenemethyl)-indole
    —— 2-methyl-1-(5-methyl-1(2)<i>H</i>-indazole-3-carbonyl)-piperidine 51941-94-7 C15H19N3O
    2-methyl-1-(5-methyl-1(2)<i>H</i>-indazole-3-carbonyl)-piperidine
    —— 2-Benzenesulfonylmethyl-5-(3-nitro-phenyl)-furan 53646-97-2 C17H13NO5S
    2-Benzenesulfonylmethyl-5-(3-nitro-phenyl)-furan
    —— 2-benzenesulfonylmethyl-5-(2-chloro-phenyl)-furan 53647-02-2 C17H13ClO3S
    2-benzenesulfonylmethyl-5-(2-chloro-phenyl)-furan
    —— 2-Imino-3-(4-chlor-phenylthiocarbamoyl)-thiazolidon-4 42749-06-4 C10H8ClN3OS2
    2-Imino-3-(4-chlor-phenylthiocarbamoyl)-thiazolidon-4
    —— 2α-Acetoxy-9α-(angeloyloxy)-euryopsin 53820-60-3 C22H30O5
    2α-Acetoxy-9α-(angeloyloxy)-euryopsin
    —— (2-methyl-benzo[<i>b</i>]selenophen-3-ylmethyl)-malonic acid 53020-65-8 C13H12O4Se
    (2-methyl-benzo[<i>b</i>]selenophen-3-ylmethyl)-malonic acid
    —— 2-Methyl-5-ethyl-5-cis-phenyl-1.3-dioxan 54958-01-9 C13H18O2
    2-Methyl-5-ethyl-5-cis-phenyl-1.3-dioxan
    —— ((2S,3R,4R,5S,6S)-3-Mercapto-4,5,6-trimethoxy-tetrahydro-pyran-2-yl)-methanol 53437-98-2 C9H18O5S
    ((2S,3R,4R,5S,6S)-3-Mercapto-4,5,6-trimethoxy-tetrahydro-pyran-2-yl)-methanol
    —— 2-<4-(β-Bromethyl)-benzoylamino>-5-methylhydrochinon 53939-74-5 C16H16BrNO3
    2-<4-(β-Bromethyl)-benzoylamino>-5-methylhydrochinon
    —— 2-[4-Mercapto-3,5,5-trimethyl-5H-thiophen-(2Z)-ylidene]-1-(4-methoxy-phenyl)-ethanethione 54103-58-1 C16H18OS3
    2-[4-Mercapto-3,5,5-trimethyl-5H-thiophen-(2Z)-ylidene]-1-(4-methoxy-phenyl)-ethanethione
    —— 2-((2S,5R,10R)-10-Methyl-6-methylene-spiro[4.5]dec-7-en-2-yl)-propan-2-ol 52528-56-0 C15H24O
    2-((2S,5R,10R)-10-Methyl-6-methylene-spiro[4.5]dec-7-en-2-yl)-propan-2-ol
    —— 2-<p-Nitro-anilino>-1-allyl-maleinsaeuredimethylester 40684-17-1 C15H16N2O6
    2-<p-Nitro-anilino>-1-allyl-maleinsaeuredimethylester
    —— 2-((Z)-2-Ethoxycarbonyl-1-methyl-vinyl)-[1,3]dithiolane-2-carboxylic acid ethyl ester 49847-78-1 C12H18O4S2
    2-((Z)-2-Ethoxycarbonyl-1-methyl-vinyl)-[1,3]dithiolane-2-carboxylic acid ethyl ester
    —— 2-Propyl-hex-4-ynoic acid diethylamide 51578-16-6 C13H23NO
    2-Propyl-hex-4-ynoic acid diethylamide
    —— 2,2,2-Trichlor-5-phenyl-3H-1,3,4-oxaphosphadiazolin 55498-89-0 C7H6Cl3N2OP
    2,2,2-Trichlor-5-phenyl-3H-1,3,4-oxaphosphadiazolin
    —— 2-Methanesulfinylmethyl-7,8,18-trimethoxy-11-methyl-11-aza-tricyclo[13.4.0.0<sup>5,10</sup>]nonadeca-1(19),5(10),6,8,15,17-hexaen-17-ol 65606-98-6 C24H33NO5S
    2-Methanesulfinylmethyl-7,8,18-trimethoxy-11-methyl-11-aza-tricyclo[13.4.0.0<sup>5,10</sup>]nonadeca-1(19),5(10),6,8,15,17-hexaen-17-ol
    —— 2-hydroxy-3,5-diisopropyl-benzoic acid; sodium salt 79427-97-7 C13H17O3*Na
    2-hydroxy-3,5-diisopropyl-benzoic acid; sodium salt
    —— (2R,R<sub>S</sub>)-2-p-tolylsulphinylcyclohexanone 83859-24-9 C13H16O2S
    (2R,R<sub>S</sub>)-2-p-tolylsulphinylcyclohexanone
    —— 2-((2E,6E)-10-Chloro-3,8,8-trimethyl-deca-2,6-dienyloxy)-tetrahydro-pyran 53840-38-3 C18H31ClO2
    2-((2E,6E)-10-Chloro-3,8,8-trimethyl-deca-2,6-dienyloxy)-tetrahydro-pyran