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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,8-dimethoxy-1,4-dihydro-anthraquinone 101110-49-0 C16H14O4
    2,8-dimethoxy-1,4-dihydro-anthraquinone
    —— 2-(5-Brom-6-iod-1-oxo-acenaphthyliden-2)-3-oxo-indol 94546-79-9 C20H9BrINO2
    2-(5-Brom-6-iod-1-oxo-acenaphthyliden-2)-3-oxo-indol
    —— 2-(5,6-dimethoxy-3-oxo-phthalan-1-yl)-4,5-dimethoxy-benzaldehyde 102019-29-4 C19H18O7
    2-(5,6-dimethoxy-3-oxo-phthalan-1-yl)-4,5-dimethoxy-benzaldehyde
    —— 2.4-Dinitro-phenylhydrazon von Δ<sup>5.16</sup>-Pregnadienol-(3β)-on-(2O)-acetat 103161-08-6 C29H36N4O6
    2.4-Dinitro-phenylhydrazon von Δ<sup>5.16</sup>-Pregnadienol-(3β)-on-(2O)-acetat
    —— 2-(2-chlorobenzylidene)-N-(pyridin-3-yl)-3-(pyridin-3-ylimino)butanamide 1333082-42-0 C21H17ClN4O
    2-(2-chlorobenzylidene)-N-(pyridin-3-yl)-3-(pyridin-3-ylimino)butanamide
    —— 2-Ethylthio-6-phenyl-4H-1,3-thiazin-4-one 85311-83-7 C12H11NOS2
    2-Ethylthio-6-phenyl-4H-1,3-thiazin-4-one
    —— 2-amino-6-(dec-9-enyl)-5-(2-ethylhexyl)pyrimidin-4(1H)-one 1422728-81-1 C22H39N3O
    2-amino-6-(dec-9-enyl)-5-(2-ethylhexyl)pyrimidin-4(1H)-one
    —— (2-methyl-[1,3]dioxolo[4,5-j]phenanthridin-6-yl)diphenylphosphine oxide 1507941-51-6 C27H20NO3P
    (2-methyl-[1,3]dioxolo[4,5-j]phenanthridin-6-yl)diphenylphosphine oxide
    —— 2-O-methanesulfonyl-3,6-dideoxy-L-arabino-hexono-1,4-lactone 138480-30-5 C7H12O6S
    2-O-methanesulfonyl-3,6-dideoxy-L-arabino-hexono-1,4-lactone
    —— 2-Amino-4-(4-ethyl-5-methyl-2-thiazolyl)-thiazol 7520-84-5 C9H11N3S2
    2-Amino-4-(4-ethyl-5-methyl-2-thiazolyl)-thiazol
    —— 2-Chlor-8-methylmercapto-9-methyl-adenin 117410-03-4 C7H8ClN5S
    2-Chlor-8-methylmercapto-9-methyl-adenin
    —— 2-trifluoromethyl-2-cyanodifluoromethyltetrachloro-1,3-dioxolane 122814-69-1 C6Cl4F5NO2
    2-trifluoromethyl-2-cyanodifluoromethyltetrachloro-1,3-dioxolane
    —— 2-(3-(2,3-dihydroxypropoxy)phenyl)-N-(thiazol-2-yl)-1H-benzo[d]imidazole-4-carboxamide 1203480-69-6 C20H18N4O4S
    2-(3-(2,3-dihydroxypropoxy)phenyl)-N-(thiazol-2-yl)-1H-benzo[d]imidazole-4-carboxamide
    —— (2Z,4E)-3-Methyl-5-pyridin-4-yl-penta-2,4-dienoic acid methyl ester 111948-11-9 C12H13NO2
    (2Z,4E)-3-Methyl-5-pyridin-4-yl-penta-2,4-dienoic acid methyl ester
    —— 2-Hydroxy-5-methyl-1,3-phenylen-2,2'-bis<3-(1,1-dimethylethylamino)propionsaeure> 75445-58-8 C21H34N2O5
    2-Hydroxy-5-methyl-1,3-phenylen-2,2'-bis<3-(1,1-dimethylethylamino)propionsaeure>
    —— 2-(dimethylamino)-5,5-bis(trifluoromethyl)-3,4-dihydropyrrole-3-carbonitrile 107940-32-9 C9H9F6N3
    2-(dimethylamino)-5,5-bis(trifluoromethyl)-3,4-dihydropyrrole-3-carbonitrile
    —— 25-desacetyl-3-(4-cinnamyl-1-piperazinyl)iminomethyl rifamycin SV sodium salt 1565870-96-3 C49H61N4O11*Na
    25-desacetyl-3-(4-cinnamyl-1-piperazinyl)iminomethyl rifamycin SV sodium salt
    —— (2E)-6-bromo-5-[tert-butyl(dimethyl)silyl]oxyhepta-2,6-dien-1-ol 137609-84-8 C13H25BrO2Si
    (2E)-6-bromo-5-[tert-butyl(dimethyl)silyl]oxyhepta-2,6-dien-1-ol
    —— 2-(4-(2,3-dihydrobenzo[b][1,4]dioxine-2-carbonyl)piperazin-1-yl)-5-fluorobenzaldehyde 1227170-54-8 C20H19FN2O4
    2-(4-(2,3-dihydrobenzo[b][1,4]dioxine-2-carbonyl)piperazin-1-yl)-5-fluorobenzaldehyde
    —— 2,5-Bis(11-carboxyundecyl)-3-nitro-1,4-benzochinon 77798-66-4 C30H47NO8
    2,5-Bis(11-carboxyundecyl)-3-nitro-1,4-benzochinon
    —— 2-(5-(2-methoxy-phenoxy)-6-chloro-2-(pyrimidin-2-yl)pyrimidin-4-yloxy)ethanol acetyl ester 1160515-46-7 C19H17ClN4O5
    2-(5-(2-methoxy-phenoxy)-6-chloro-2-(pyrimidin-2-yl)pyrimidin-4-yloxy)ethanol acetyl ester
    —— {(2S,3R)-3-Benzyloxy-2-[(2S,3R)-3-benzyloxy-2-((S)-3-benzyloxy-2-tert-butoxycarbonylamino-propionylamino)-butyrylamino]-butyrylamino}-acetic acid benzyl ester 110574-76-0 C46H56N4O10
    {(2S,3R)-3-Benzyloxy-2-[(2S,3R)-3-benzyloxy-2-((S)-3-benzyloxy-2-tert-butoxycarbonylamino-propionylamino)-butyrylamino]-butyrylamino}-acetic acid benzyl ester
    —— 2,5-Bis(12-hydroxydodecyl)-3,6-dinitrohydrochinon-dimethylether 77798-74-4 C32H56N2O8
    2,5-Bis(12-hydroxydodecyl)-3,6-dinitrohydrochinon-dimethylether
    —— 2-[6-(1,3-dithiol-2-ylidene)-3-tricyclo[6.2.1.02,7]undeca-4,9-dienylidene]-1,3-dithiole 121733-17-3 C17H14S4
    2-[6-(1,3-dithiol-2-ylidene)-3-tricyclo[6.2.1.02,7]undeca-4,9-dienylidene]-1,3-dithiole
    —— 2-(Triethylsilyl)pentansaeure-ethylester 86294-72-6 C13H28O2Si
    2-(Triethylsilyl)pentansaeure-ethylester
    —— (2R,4S)-tert-butyl-4-(2-(3-fluorophenylamino)-6-(thiazol-2-yl)quinazolin-7-yloxy)-2-(hydroxymethyl)piperidine-1-carboxylate 1202036-28-9 C28H30FN5O4S
    (2R,4S)-tert-butyl-4-(2-(3-fluorophenylamino)-6-(thiazol-2-yl)quinazolin-7-yloxy)-2-(hydroxymethyl)piperidine-1-carboxylate
    —— 2-(triisopropylsiloxy)-2-(trimethylsilyl)propanenitrile 128164-38-5 C15H33NOSi2
    2-(triisopropylsiloxy)-2-(trimethylsilyl)propanenitrile
    —— 2-<(tert-butoxycarbonyl)amino>-4-(2-nitrophenyl)butan-1-ol 153235-12-2 C15H22N2O5
    2-<(tert-butoxycarbonyl)amino>-4-(2-nitrophenyl)butan-1-ol
    —— 2-diethoxyphosphoryl-2-[diethoxyphosphoryl(ethyl)amino]-N,N'-dimethylethanimidamide 70795-68-5 C14H33N3O6P2
    2-diethoxyphosphoryl-2-[diethoxyphosphoryl(ethyl)amino]-N,N'-dimethylethanimidamide
    —— 2-isopropyl-N,4,6-triphenylnicotinamide 1398101-64-8 C27H24N2O
    2-isopropyl-N,4,6-triphenylnicotinamide
    —— 2-amino-3-mercapto-3-methyl-valeric acid ; hydrochloride 51795-15-4 C6H13NO2S*ClH
    2-amino-3-mercapto-3-methyl-valeric acid ; hydrochloride
    —— 2-Acetylamino-2-allyloxy-3-bromo-butyric acid tert-butyl ester 78464-61-6 C13H22BrNO4
    2-Acetylamino-2-allyloxy-3-bromo-butyric acid tert-butyl ester
    —— 2-(4-chloro-benzenesulfonylamino)-butyric acid ethyl ester 952525-10-9 C12H16ClNO4S
    2-(4-chloro-benzenesulfonylamino)-butyric acid ethyl ester
    —— 2-(2-{4-[1-(2-oxo-2-pyrrolidin-1-yl-ethyl)-1H-indol-3-yl]-piperidin-1-yl}-ethoxy)-benzoic acid 423172-53-6 C28H33N3O4
    2-(2-{4-[1-(2-oxo-2-pyrrolidin-1-yl-ethyl)-1H-indol-3-yl]-piperidin-1-yl}-ethoxy)-benzoic acid
    —— (2R,3S,4R,5R)-5-(6-(cyclobutylamino)-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)-3,4-dimethyltetrahydrofuran-3-ol 1187434-43-0 C16H22FN5O3
    (2R,3S,4R,5R)-5-(6-(cyclobutylamino)-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)-3,4-dimethyltetrahydrofuran-3-ol
    —— 2-[(2,2-Dimethylpropyl)(methyl)amino]acetic acid hydrochloride 1989659-62-2 C8H18ClNO2
    2-[(2,2-Dimethylpropyl)(methyl)amino]acetic acid hydrochloride
    —— 2-(1'-piperidinylmethylene)-3-oxoquinuclidine 84021-24-9 C13H20N2O
    2-(1'-piperidinylmethylene)-3-oxoquinuclidine
    —— 2-(4-Fluorophenyl)-1-methylpiperazine 1018610-72-4 C11H15FN2
    2-(4-Fluorophenyl)-1-methylpiperazine
    —— 2-Benzoxazolamine, 4-(trifluoromethoxy)- 1803847-30-4 C8H5F3N2O2
    2-Benzoxazolamine, 4-(trifluoromethoxy)-
    —— 2-acetylamino-N-[2-(2-acetylamino-4-mercaptobutyrylamino)cyclohexyl]-4-mercaptobutyramide 790227-12-2 C18H32N4O4S2
    2-acetylamino-N-[2-(2-acetylamino-4-mercaptobutyrylamino)cyclohexyl]-4-mercaptobutyramide
    —— 2-isopropoxy-4,5-diphenyl-1,3,2-dioxaphospholene 80727-47-5 C17H17O3P
    2-isopropoxy-4,5-diphenyl-1,3,2-dioxaphospholene
    —— 2-(3,4-Difluorophenyl)-6-pentylnaphthalene 1470011-54-1 C21H20F2
    2-(3,4-Difluorophenyl)-6-pentylnaphthalene
    —— 2-{4-[6-chloro-2-ethyl-5-(methylsulfonyl)-1H-benzimidazol-1-yl]phenyl}ethanol 415913-59-6 C18H19ClN2O3S
    2-{4-[6-chloro-2-ethyl-5-(methylsulfonyl)-1H-benzimidazol-1-yl]phenyl}ethanol
    —— 2-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-1-O-<<(R)-2-methoxycarbonyl-2-(3,8,8,11,14,18-hexamethyl-nonadecyloxy)-ethoxy>-hydroxy-phosphoryl>-4-C-methyl-α-D-glucopyranuronamide 127869-61-8 C44H83N2O17P
    2-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-1-O-<<(R)-2-methoxycarbonyl-2-(3,8,8,11,14,18-hexamethyl-nonadecyloxy)-ethoxy>-hydroxy-phosphoryl>-4-C-methyl-α-D-glucopyranuronamide
    —— (2R,3R,4R,5R)-5-ethyl-4-hydroxy-3-<(1R,2R)-3-hydroxy-1,2-(isopropylidenedioxy)propyl>-2-methoxy-3,4-dimethyltetrahydrofuran 129706-91-8 C15H28O6
    (2R,3R,4R,5R)-5-ethyl-4-hydroxy-3-<(1R,2R)-3-hydroxy-1,2-(isopropylidenedioxy)propyl>-2-methoxy-3,4-dimethyltetrahydrofuran
    —— 2-Iodohexadecane 128735-83-1 C16H33I
    2-Iodohexadecane
    —— 2,2-dimethyl-5-[4-(1-methylcyclopentyl)-2-phenylsulfonylbuta-2,3-dienyl]-5-(prop-2-ynyl)-1,3-dioxane 1414368-32-3 C25H32O4S
    2,2-dimethyl-5-[4-(1-methylcyclopentyl)-2-phenylsulfonylbuta-2,3-dienyl]-5-(prop-2-ynyl)-1,3-dioxane
    —— 2-[(2-Pyridinylimino)methyl]-1-naphthalenol 2246-47-1 C16H12N2O
    2-[(2-Pyridinylimino)methyl]-1-naphthalenol
    —— 2,8-diethyl-1,3,7,9-tetramethyl-5,5-bis(perfluorophenyl)-5H-5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium 1183675-99-1 C29H23BF10N2
    2,8-diethyl-1,3,7,9-tetramethyl-5,5-bis(perfluorophenyl)-5H-5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium
    —— 2,8-dibromo-5,10-dihydro-10-diphenyl-5-methylphenazasiline 3666-96-4 C25H19Br2NSi
    2,8-dibromo-5,10-dihydro-10-diphenyl-5-methylphenazasiline