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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-O-acetyl-3-O-benzyl-L-glyceraldehyde 104863-51-6 C12H14O4
    2-O-acetyl-3-O-benzyl-L-glyceraldehyde
    —— 2,4-dibromo-1-phenylanthracene-9,10-dione 1187186-07-7 C20H10Br2O2
    2,4-dibromo-1-phenylanthracene-9,10-dione
    —— 2-Octylamino-4-hydroxy-chinolin 101590-69-6 C17H24N2O
    2-Octylamino-4-hydroxy-chinolin
    —— 2,6-dioxa-heptanedioic acid bis-(2-iodo-ethylamide) 114307-14-1 C9H16I2N2O4
    2,6-dioxa-heptanedioic acid bis-(2-iodo-ethylamide)
    —— 2,7-Bis-<2-naphtho<1,2>triazolyl>-phenazin 121499-66-9 C32H18N8
    2,7-Bis-<2-naphtho<1,2>triazolyl>-phenazin
    —— 2-Methyl-2-ethyl-4-pentanomethylen-5,6-tetramethylen-2,3,4,5-tetrahydropyrimidin 109721-55-3 C16H28N2
    2-Methyl-2-ethyl-4-pentanomethylen-5,6-tetramethylen-2,3,4,5-tetrahydropyrimidin
    —— 2-Propyl-5-methylsulfamoyl-benzolsulfonsaeurechlorid 102495-87-4 C10H14ClNO4S2
    2-Propyl-5-methylsulfamoyl-benzolsulfonsaeurechlorid
    —— 2-(3-chlorobenzyl)naphthalen-1-ol 109381-06-8 C17H13ClO
    2-(3-chlorobenzyl)naphthalen-1-ol
    —— 2-[(3-Dimethylsilanyl-propyl)-dimethyl-silanyl]-naphthalene 73753-92-1 C17H26Si2
    2-[(3-Dimethylsilanyl-propyl)-dimethyl-silanyl]-naphthalene
    —— 2,2-Dichlor-2-phenylacetomorpholid 112439-83-5 C12H13Cl2NO2
    2,2-Dichlor-2-phenylacetomorpholid
    —— 2-benzenesulfonyl-2-phenylsulfanyl-acetoacetic acid ethyl ester 101790-65-2 C18H18O5S2
    2-benzenesulfonyl-2-phenylsulfanyl-acetoacetic acid ethyl ester
    —— (2R,3R,4S,5R)-3,4,5-Tris-benzyloxy-2-((E)-3,7-dimethyl-octa-2,6-dienyloxy)-tetrahydro-pyran 121820-62-0 C36H44O5
    (2R,3R,4S,5R)-3,4,5-Tris-benzyloxy-2-((E)-3,7-dimethyl-octa-2,6-dienyloxy)-tetrahydro-pyran
    —— 2-chloro-3-(1-hydroxy-4-methoxyphenylmethyl)-6-iodopyrazine 400602-68-8 C12H10ClIN2O2
    2-chloro-3-(1-hydroxy-4-methoxyphenylmethyl)-6-iodopyrazine
    —— 2-methyl-3-phenoxyacetoxy-3-phenyl-1-piperidino-hexane 102946-93-0 C26H35NO3
    2-methyl-3-phenoxyacetoxy-3-phenyl-1-piperidino-hexane
    —— 2-ethyl-5-nitro-5-propyl-tetrahydro-[1,3]oxazine 100952-40-7 C9H18N2O3
    2-ethyl-5-nitro-5-propyl-tetrahydro-[1,3]oxazine
    —— 2,3-epoxy-10-isopropoxy-pinane 131107-64-7 C13H22O2
    2,3-epoxy-10-isopropoxy-pinane
    —— 2-<N,N-Bis-(β-chlor-aethyl)-amino>-1-phenyl-tetralin 2962-66-5 C20H23Cl2N
    2-<N,N-Bis-(β-chlor-aethyl)-amino>-1-phenyl-tetralin
    —— 2-Acetylamino-3-nitro-5-thiophencarbonsaeure-methylester 89977-25-3 C8H8N2O5S
    2-Acetylamino-3-nitro-5-thiophencarbonsaeure-methylester
    —— 2.4.5-Tribenzoyl-D-glucuron-dimethylmercaptal 1079989-64-2 C29H26O8S2
    2.4.5-Tribenzoyl-D-glucuron-dimethylmercaptal
    —— 2,3,6-Trimethyl-thionaphthensulfon 103988-28-9 C11H12O2S
    2,3,6-Trimethyl-thionaphthensulfon
    —— 2,2-di(tetrahydrofurfuryloxy)propane 228730-65-2 C13H24O4
    2,2-di(tetrahydrofurfuryloxy)propane
    —— 2-fluoro-N-thiazol-2-yl-4-[6-(1-trityl-1H-pyrazol-4-yl)quinazolin-4-yl]benzamide 474702-00-6 C40H27FN6OS
    2-fluoro-N-thiazol-2-yl-4-[6-(1-trityl-1H-pyrazol-4-yl)quinazolin-4-yl]benzamide
    —— 2-[2-([2,3']bipyridin-5-ylmethyl-methyl-amino)-ethyl]-isoindole-1,3-dione 484673-71-4 C22H20N4O2
    2-[2-([2,3']bipyridin-5-ylmethyl-methyl-amino)-ethyl]-isoindole-1,3-dione
    —— 2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1<i>H</i>-imidazol-2-yl)-benzoic acid 1-methyl-prop-2-ynyl ester 69968-92-9 C18H20N2O3
    2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1<i>H</i>-imidazol-2-yl)-benzoic acid 1-methyl-prop-2-ynyl ester
    —— (2R,3R)-3-(3-bromo-4-isopropyl-benzoylamino)-2-hydroxy-4-phenyl-butyric acid 1415482-96-0 C20H22BrNO4
    (2R,3R)-3-(3-bromo-4-isopropyl-benzoylamino)-2-hydroxy-4-phenyl-butyric acid
    —— (2S)-1-chloro-2-trifluoromethylpyrrolidine 119580-44-8 C5H7ClF3N
    (2S)-1-chloro-2-trifluoromethylpyrrolidine
    —— 2,5,12(1H)-Naphthacenetrione, 3,4,4a,12a-tetrahydro-6,11-dimethoxy-,cis- 140652-61-5 C20H18O5
    2,5,12(1H)-Naphthacenetrione, 3,4,4a,12a-tetrahydro-6,11-dimethoxy-,cis-
    —— 2-[3-(4-trifluoromethyl-phenoxymethyl)-piperidin-1-yl]-1-[1-(4-trifluoromethyl-phenyl)-cyclobutyl]-ethanone 405089-32-9 C26H27F6NO2
    2-[3-(4-trifluoromethyl-phenoxymethyl)-piperidin-1-yl]-1-[1-(4-trifluoromethyl-phenyl)-cyclobutyl]-ethanone
    —— (2-Cyano-1-methyl-allyl)-phosphonic acid dimethyl ester 45001-94-3 C7H12NO3P
    (2-Cyano-1-methyl-allyl)-phosphonic acid dimethyl ester
    —— 2,4,4,5-tetrafluoro-2,5-bis(trifluoromethyl)-3-oxathiolan-1,1-dioxide 31334-87-9 C5F10O3S
    2,4,4,5-tetrafluoro-2,5-bis(trifluoromethyl)-3-oxathiolan-1,1-dioxide
    —— 2-ethyl-hexanal semicarbazone 33861-40-4 C9H19N3O
    2-ethyl-hexanal semicarbazone
    —— 2-(4-((2-bromophenyl)acetyl)-1-piperazinyl)-N-(5-methyl-1H-pyrazol-3-yl)pyrrolo[2,1-f][1,2,4]triazine-4-amine 1221267-91-9 C22H23BrN8O
    2-(4-((2-bromophenyl)acetyl)-1-piperazinyl)-N-(5-methyl-1H-pyrazol-3-yl)pyrrolo[2,1-f][1,2,4]triazine-4-amine
    —— 2-[6-(4-{[(3,5-dimethylphenyl)carbamoyl]amino}phenyl)-2-methoxy-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl]acetic acid 1414797-18-4 C28H28N2O5
    2-[6-(4-{[(3,5-dimethylphenyl)carbamoyl]amino}phenyl)-2-methoxy-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl]acetic acid
    —— (2S)-2-[[1-(2-ethoxyethyl)-6-(4-methylphenoxy)benzimidazol-2-yl]methylamino]propanamide 1233229-21-4 C22H28N4O3
    (2S)-2-[[1-(2-ethoxyethyl)-6-(4-methylphenoxy)benzimidazol-2-yl]methylamino]propanamide
    —— 2-<4-(2,2-dimethylpropyl)phenyl>-1,1,3,3,3-pentafluoropropene 87405-97-8 C14H15F5
    2-<4-(2,2-dimethylpropyl)phenyl>-1,1,3,3,3-pentafluoropropene
    —— 2,2-dimethyl-4-((4-(3'-pentyl-[2,2'-bithiophen]-5-yl)phenoxy)methyl)-1,3-dioxolane 1454583-58-4 C25H30O3S2
    2,2-dimethyl-4-((4-(3'-pentyl-[2,2'-bithiophen]-5-yl)phenoxy)methyl)-1,3-dioxolane
    —— 2-Amino-4,5-dihydro-5-imino-4-(methoxycarbonylimino)-1H-pyrrol-3-carbonsaeure-ethylester 79823-62-4 C9H12N4O4
    2-Amino-4,5-dihydro-5-imino-4-(methoxycarbonylimino)-1H-pyrrol-3-carbonsaeure-ethylester
    —— (2S,3R,4R)-2,9-dimethyl-3-nitro-4-phenyl-2,3,4,9-tetrahydro-1H-carbazole 1211485-58-3 C20H20N2O2
    (2S,3R,4R)-2,9-dimethyl-3-nitro-4-phenyl-2,3,4,9-tetrahydro-1H-carbazole
    —— 2-(tetrahydro-2H-pyran-2-yl)-5,11-dihydro-1H-benzo[e]pyridazino[4,5-b][1,4]diazepine-1,10(2H)-dione 1428133-91-8 C16H16N4O3
    2-(tetrahydro-2H-pyran-2-yl)-5,11-dihydro-1H-benzo[e]pyridazino[4,5-b][1,4]diazepine-1,10(2H)-dione
    —— (2Z,6E)-8-Benzyloxy-2,6-dimethyl-2,6-octadienyl Acetate 130487-81-9 C19H26O3
    (2Z,6E)-8-Benzyloxy-2,6-dimethyl-2,6-octadienyl Acetate
    —— 2-(difluoro(phenyl)methyl)pyrimidine-4,6-diol 1313546-72-3 C11H8F2N2O2
    2-(difluoro(phenyl)methyl)pyrimidine-4,6-diol
    —— 2-dimethylamino-3,4-dicarbomethoxy-penta-2,4-dienenitrile 200959-92-8 C11H14N2O4
    2-dimethylamino-3,4-dicarbomethoxy-penta-2,4-dienenitrile
    —— (2-cyclohexyl-1-methyl-indol-3-yl)-pyridin-4-yl-methanone 54270-36-9 C21H22N2O
    (2-cyclohexyl-1-methyl-indol-3-yl)-pyridin-4-yl-methanone
    —— 2-Ethoxycarbonyl-5-cyan-2,3-dihydro-4H-pyran 98996-44-2 C9H11NO3
    2-Ethoxycarbonyl-5-cyan-2,3-dihydro-4H-pyran
    —— 21-Brom-17α-chlor-3α-hydroxy-pregnan-11,20-dion 111439-09-9 C21H30BrClO3
    21-Brom-17α-chlor-3α-hydroxy-pregnan-11,20-dion
    —— (+/-)-2,5-di-((Ξ)-furfurylidene)-3-(2-hydroxy-2,2-diphenyl-ethyl)-cyclopentanone 115604-76-7 C29H24O4
    (+/-)-2,5-di-((Ξ)-furfurylidene)-3-(2-hydroxy-2,2-diphenyl-ethyl)-cyclopentanone
    —— 2-Butyrylamino-3-heptylamino-naphthochinon-(1.4) 102453-79-2 C21H28N2O3
    2-Butyrylamino-3-heptylamino-naphthochinon-(1.4)
    —— 2-Hydroxy-phenylisothiocyanat-tetraacetyl-β-D-glucosid 121814-41-3 C21H23NO10S
    2-Hydroxy-phenylisothiocyanat-tetraacetyl-β-D-glucosid
    —— 2-(p-Tolylsulfon)-phenazin 94212-31-4 C19H14N2O2S
    2-(p-Tolylsulfon)-phenazin
    —— 2-(2-hydroxy-4-benzyloxyphenyl)-3-(4-methoxyphenyl)-pyrimido[1,2-a]benzimidazole 1179998-19-6 C30H23N3O3
    2-(2-hydroxy-4-benzyloxyphenyl)-3-(4-methoxyphenyl)-pyrimido[1,2-a]benzimidazole