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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(3.5-Dichlorphenylhydrazino)-thiazolidon-(4) 101724-12-3 C9H7Cl2N3OS
    2-(3.5-Dichlorphenylhydrazino)-thiazolidon-(4)
    —— 2-Methoxy-5-methyl-7-phenylpyrazolo<1,5-a>pyrimidin 92166-24-0 C14H13N3O
    2-Methoxy-5-methyl-7-phenylpyrazolo<1,5-a>pyrimidin
    —— 2-Cyan-3-<3-methyl-1-phenyl-pyrazolon-(5)-yl-(4)>-maleinimid 93866-39-8 C15H10N4O3
    2-Cyan-3-<3-methyl-1-phenyl-pyrazolon-(5)-yl-(4)>-maleinimid
    —— 21-Dimethylaminomethyl-3β-acetoxy-17α-hydroxy-pregn-5-en-20-on 106383-88-4 C26H41NO4
    21-Dimethylaminomethyl-3β-acetoxy-17α-hydroxy-pregn-5-en-20-on
    —— 2-o-Isopropylideneaminophenylbenzimidazol 94429-17-1 C16H15N3
    2-o-Isopropylideneaminophenylbenzimidazol
    —— 2-Methyl-1,4-benzochinon-bis-(oxim-methylether) 829-61-8 C9H12N2O2
    2-Methyl-1,4-benzochinon-bis-(oxim-methylether)
    —— 2-(4-Nitro-phenyl)-4-benzyl-4-methyl-Δ<sup>2</sup>-oxazolin 94541-84-1 C17H14N2O4
    2-(4-Nitro-phenyl)-4-benzyl-4-methyl-Δ<sup>2</sup>-oxazolin
    —— 2-<2-Chlor-4-nitro-phenylazo>-methon 87772-83-6 C14H14ClN3O4
    2-<2-Chlor-4-nitro-phenylazo>-methon
    —— 2-Vinylpyridin 20150-29-2 C7H7N
    2-Vinylpyridin
    —— 2-(2,4-Dichlor-benzolsulfonyl)-5-nitro-pyridin 91820-30-3 C11H6Cl2N2O4S
    2-(2,4-Dichlor-benzolsulfonyl)-5-nitro-pyridin
    —— 2-(3,5-difluoro-N-[3-[[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]methylidene]-2-oxopiperidin-1-yl]anilino)acetamide 1225232-39-2 C25H25F2N5O3
    2-(3,5-difluoro-N-[3-[[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]methylidene]-2-oxopiperidin-1-yl]anilino)acetamide
    —— 2-(Thien-3-yl)-aethyl-(1)-N-(naphth-1-yl)-urethan 13781-69-6 C17H15NO2S
    2-(Thien-3-yl)-aethyl-(1)-N-(naphth-1-yl)-urethan
    —— 2-(1-Methyl-benzimidazolyl-(2))-1,1-dimethyl-2-imidazoliniumiodid 14484-81-2 C13H17N4*I
    2-(1-Methyl-benzimidazolyl-(2))-1,1-dimethyl-2-imidazoliniumiodid
    —— 2-Aethoxycarbonyl-1,1,3,3-tetracyan-propen-(1) 94211-17-3 C10H6N4O2
    2-Aethoxycarbonyl-1,1,3,3-tetracyan-propen-(1)
    —— (20S)-16α,20-Dihydroxy-3,3-dimethoxy-5α-pregnansaeure-(18)-(18->20)-lacton 106766-31-8 C23H36O5
    (20S)-16α,20-Dihydroxy-3,3-dimethoxy-5α-pregnansaeure-(18)-(18->20)-lacton
    —— 2',5'-Dibrom-2'.5'-didesoxy-3'-O-methansulfonyl-uridin 94825-64-6 C10H12Br2N2O6S
    2',5'-Dibrom-2'.5'-didesoxy-3'-O-methansulfonyl-uridin
    —— 2-Fluoromethyl-4,4,6-trimethyl-1,3-oxazine 128536-68-5 C8H14FNO
    2-Fluoromethyl-4,4,6-trimethyl-1,3-oxazine
    —— 2-(3-bromo-4-fluoro-phenyl)-4-hydroxy-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester 1343456-11-0 C20H21BrFNO3
    2-(3-bromo-4-fluoro-phenyl)-4-hydroxy-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester
    —— 2-hydroxyimino-p-nitrophenylacetaldehyde dimethylhydrazone 125756-75-4 C10H12N4O3
    2-hydroxyimino-p-nitrophenylacetaldehyde dimethylhydrazone
    —— 2,2,2-trichloroethyl-6β-phenylacetamidopenicillanate S,S-dioxide 109706-89-0 C18H19Cl3N2O6S
    2,2,2-trichloroethyl-6β-phenylacetamidopenicillanate S,S-dioxide
    —— 2-Methyl-butyric acid (3aR,4aS,5S,8R,8aS,9R,10aS)-8-acetoxy-4a,9-dimethyl-3-methylene-2-oxo-dodecahydro-1,6-dioxa-benzo[f]azulen-5-yl ester 126771-26-4 C22H32O7
    2-Methyl-butyric acid (3aR,4aS,5S,8R,8aS,9R,10aS)-8-acetoxy-4a,9-dimethyl-3-methylene-2-oxo-dodecahydro-1,6-dioxa-benzo[f]azulen-5-yl ester
    —— 2’,5’’-bis(trimethylstannyl)-2,7-dithienyl-9,9-dioctylfluorene 1357447-61-0 C43H62S2Sn2
    2’,5’’-bis(trimethylstannyl)-2,7-dithienyl-9,9-dioctylfluorene
    —— 2-O-arachidyl-3-O-(4-methoxybenzyl)-1-O-stearyl-sn-glycerol 1037195-80-4 C49H88O6
    2-O-arachidyl-3-O-(4-methoxybenzyl)-1-O-stearyl-sn-glycerol
    —— 2,3-Diphenyl-1,7-naphthyridin 61523-61-3 C20H14N2
    2,3-Diphenyl-1,7-naphthyridin
    —— 2-(6-ethylnaphth-2-yl)-1,3-dithian-2-ylium trifluoromethanesulfonate 705262-08-4 CF3O3S*C16H17S2
    2-(6-ethylnaphth-2-yl)-1,3-dithian-2-ylium trifluoromethanesulfonate
    —— 2,11-Dioxa-<4>(3,5)isoxazolo<3>(2,5)-furanophan 121756-83-0 C12H13NO4
    2,11-Dioxa-<4>(3,5)isoxazolo<3>(2,5)-furanophan
    —— 2-Propyl-2-methallyl-propandiol-(1.3) 104094-06-6 C10H20O2
    2-Propyl-2-methallyl-propandiol-(1.3)
    —— 2-(p-benzyloxy)phenyl-4-methoxy-6-formylbenzothiazole 256423-51-5 C22H17NO3S
    2-(p-benzyloxy)phenyl-4-methoxy-6-formylbenzothiazole
    —— 2-Amino-N-(2,4,6-trimethylphenyl)-6-benzothiazolecarboxamide, trifluoroacetate 225520-12-7 C2HF3O2*C17H17N3OS
    2-Amino-N-(2,4,6-trimethylphenyl)-6-benzothiazolecarboxamide, trifluoroacetate
    —— 2-cyclopropylamino-4-ethylamino-pyrimidine-5-carboxylic acid ethylamide 39838-50-1 C12H19N5O
    2-cyclopropylamino-4-ethylamino-pyrimidine-5-carboxylic acid ethylamide
    —— 2-Oxo-cyclooctan-1-carbonsaeure-m-toluidid 21923-55-7 C16H21NO2
    2-Oxo-cyclooctan-1-carbonsaeure-m-toluidid
    —— 2,3-Dimethylphenalen 92425-29-1 C15H14
    2,3-Dimethylphenalen
    —— 2-Acetamino-3-acetoxy-1-(chinolyl-(6))-propanon-(1) 94459-86-6 C16H16N2O4
    2-Acetamino-3-acetoxy-1-(chinolyl-(6))-propanon-(1)
    —— 2-<2-Nitro-phenyl>-1,2,3,4-tetrahydro-isochinolin-carbonitril-(1) 94066-11-2 C16H13N3O2
    2-<2-Nitro-phenyl>-1,2,3,4-tetrahydro-isochinolin-carbonitril-(1)
    —— 2-Methoxy-6-<1,5-diphenyl-pyrazol-3-yl>-tropon 1053-78-7 C23H18N2O2
    2-Methoxy-6-<1,5-diphenyl-pyrazol-3-yl>-tropon
    —— 2,3-Bis-<phenylsulfonyl>-benzo<b>phenazin-6,11-chinon 104978-83-8 C28H16N2O6S2
    2,3-Bis-<phenylsulfonyl>-benzo<b>phenazin-6,11-chinon
    —— 2-<2,4-Dichlor-phenylimino>-5-cinnamyliden-thiazolidon-(4) 130672-39-8 C18H12Cl2N2OS
    2-<2,4-Dichlor-phenylimino>-5-cinnamyliden-thiazolidon-(4)
    —— 2-<1-Hydroxy-cyclohexyl-1>-3-<2-methyl-pyridyl-5>-indol 96972-76-8 C20H22N2O
    2-<1-Hydroxy-cyclohexyl-1>-3-<2-methyl-pyridyl-5>-indol
    —— 2-(1-carboxy-1-methyl-ethoxy)-4,5-dimethoxy-benzoic acid 98018-13-4 C13H16O7
    2-(1-carboxy-1-methyl-ethoxy)-4,5-dimethoxy-benzoic acid
    —— 2.6-Dinitro-3'-fluor-diphenylamin 13744-86-0 C12H8FN3O4
    2.6-Dinitro-3'-fluor-diphenylamin
    —— 2-Oxo-2-methyl-2,3-dihydro-1H-4,1,2-benzothiazaphosphorin 17718-81-9 C8H10NOPS
    2-Oxo-2-methyl-2,3-dihydro-1H-4,1,2-benzothiazaphosphorin
    —— 2,6-Dimethyl-3-nitro-4-hydrazino-5-chlor-pyridin 89856-81-5 C7H9ClN4O2
    2,6-Dimethyl-3-nitro-4-hydrazino-5-chlor-pyridin
    —— 2,4,5-Tris-trimethylsilylamino-6-isopropyloxy-pyrimidin 18407-82-4 C16H37N5OSi3
    2,4,5-Tris-trimethylsilylamino-6-isopropyloxy-pyrimidin
    —— 2-Amino-eicosantriol-(1,3,5) 94873-55-9 C20H43NO3
    2-Amino-eicosantriol-(1,3,5)
    —— 2-Ethoxymethyl-3,5-bis-benzyloxycarbonyl-4-methylpyrrol 96465-01-9 C24H25NO5
    2-Ethoxymethyl-3,5-bis-benzyloxycarbonyl-4-methylpyrrol
    —— {2-[(2-ethyl-phenyl)-pyridin-2-yl-methoxy]-ethyl}-dimethyl-amine 94932-86-2 C18H24N2O
    {2-[(2-ethyl-phenyl)-pyridin-2-yl-methoxy]-ethyl}-dimethyl-amine
    —— 2-<4-Aethoxycarbonyl-piperazino>-buttersaeure-<2.6-dimethyl-anilid> 94431-14-8 C19H29N3O3
    2-<4-Aethoxycarbonyl-piperazino>-buttersaeure-<2.6-dimethyl-anilid>
    —— 2-β,β,β-Trifluor-α-hydroxy-ethylamino-8-hydroxy-6-isopropyloxy-pteridin-propionsaeure-ethylester 3521-37-7 C16H20F3N5O5
    2-β,β,β-Trifluor-α-hydroxy-ethylamino-8-hydroxy-6-isopropyloxy-pteridin-propionsaeure-ethylester
    —— 2-Acetoacetamino-pyridin-1-oxyd 1657-29-0 C9H10N2O3
    2-Acetoacetamino-pyridin-1-oxyd
    —— 2-Bromacetyl-carbazol 92161-07-4 C14H10BrNO
    2-Bromacetyl-carbazol