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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-<3-Butenyl>-3-methyl-4-chinolyl-allyl-ether 1531-54-0 C17H19NO
    2-<3-Butenyl>-3-methyl-4-chinolyl-allyl-ether
    —— 2-Heptafluorpropyl-Δ<sup>2</sup>-imidazolin-4-on 4416-64-2 C6H3F7N2O
    2-Heptafluorpropyl-Δ<sup>2</sup>-imidazolin-4-on
    —— 2-{2-[(prop-2-en-1-ylcarbamoyl)amino][1,3]thiazolo[5,4-b]pyridin-6-yl}-1,3-thiazole-4-carboxylic acid 1198318-86-3 C14H11N5O3S2
    2-{2-[(prop-2-en-1-ylcarbamoyl)amino][1,3]thiazolo[5,4-b]pyridin-6-yl}-1,3-thiazole-4-carboxylic acid
    —— 2-[3-(4-oxo-3,1-benzoxazin-2-yl)-1,2,3-triphenylpropyl]-3,1-benzoxazin-4-one 76253-97-9 C37H26N2O4
    2-[3-(4-oxo-3,1-benzoxazin-2-yl)-1,2,3-triphenylpropyl]-3,1-benzoxazin-4-one
    —— 2-Dipropylamino-N-(2,3,3-trimethyl-bicyclo[2.2.1]hept-1-ylmethyl)-acetamide 66136-03-6 C19H36N2O
    2-Dipropylamino-N-(2,3,3-trimethyl-bicyclo[2.2.1]hept-1-ylmethyl)-acetamide
    —— 2-[<i>O</i><sup>2</sup>,<i>O</i><sup>5</sup>-diacetyl-3-(2,2,2-trifluoro-acetylamino)-β-<i>D</i>-3-deoxy-ribofuranosyl]-2<i>H</i>-[1,2,4]triazole-3-carbonitrile 64618-16-2 C14H14F3N5O6
    2-[<i>O</i><sup>2</sup>,<i>O</i><sup>5</sup>-diacetyl-3-(2,2,2-trifluoro-acetylamino)-β-<i>D</i>-3-deoxy-ribofuranosyl]-2<i>H</i>-[1,2,4]triazole-3-carbonitrile
    —— 2,2-diethyl-7-methanesulfonylamino-5,10-dihydro-pyrazolo[1,2-<i>b</i>]phthalazine-1,3-dione 66126-09-8 C16H21N3O4S
    2,2-diethyl-7-methanesulfonylamino-5,10-dihydro-pyrazolo[1,2-<i>b</i>]phthalazine-1,3-dione
    —— [(2S,3R,4S,5R,6R)-2-[(2R,3S,4R,5R,6S)-4-acetyloxy-6-(4-methylphenyl)sulfanyl-2-(phenylmethoxymethyl)-5-(2,2,2-trichloroethoxycarbonylamino)oxan-3-yl]oxy-4-hydroxy-5-phenylmethoxy-6-(phenylmethoxymethyl)oxan-3-yl] 4-oxopentanoate 502692-47-9 C50H56Cl3NO14S
    [(2S,3R,4S,5R,6R)-2-[(2R,3S,4R,5R,6S)-4-acetyloxy-6-(4-methylphenyl)sulfanyl-2-(phenylmethoxymethyl)-5-(2,2,2-trichloroethoxycarbonylamino)oxan-3-yl]oxy-4-hydroxy-5-phenylmethoxy-6-(phenylmethoxymethyl)oxan-3-yl] 4-oxopentanoate
    —— 2-hydroxymethyl-5-pyridin-3-yl-2<i>H</i>-pyrazole-3,4-dione 4-phenylhydrazone 69678-24-6 C15H13N5O2
    2-hydroxymethyl-5-pyridin-3-yl-2<i>H</i>-pyrazole-3,4-dione 4-phenylhydrazone
    —— 2-(4-methyl-6-oxo-1,6-dihydro-pyrimidin-2-yl)-pyrrolidine-1-carboxylic acid ethyl ester 68760-52-1 C12H17N3O3
    2-(4-methyl-6-oxo-1,6-dihydro-pyrimidin-2-yl)-pyrrolidine-1-carboxylic acid ethyl ester
    —— (2RS,4R)-2-Hydroxy-4-decyl-tetrahydrofuran 63095-54-5 C14H28O2
    (2RS,4R)-2-Hydroxy-4-decyl-tetrahydrofuran
    —— (2-Ethyl-1-methyl-1,2-dihydro-isoquinolin-3-yl)-phenyl-methanone 57310-67-5 C19H19NO
    (2-Ethyl-1-methyl-1,2-dihydro-isoquinolin-3-yl)-phenyl-methanone
    —— 2-Benzyl-3-(α-brombenzyliden)-phthalimidin 19793-97-6 C22H16BrNO
    2-Benzyl-3-(α-brombenzyliden)-phthalimidin
    —— 2-methyl-1,2-dihydro-pyrazolo[1,2-<i>a</i>][1,2,3]triazol-3-one oxime 59046-14-9 C6H8N4O
    2-methyl-1,2-dihydro-pyrazolo[1,2-<i>a</i>][1,2,3]triazol-3-one oxime
    —— 2-(1-Bromo-naphthalen-2-yloxy)-butyric acid 2-diethylamino-ethyl ester 65249-79-8 C20H26BrNO3
    2-(1-Bromo-naphthalen-2-yloxy)-butyric acid 2-diethylamino-ethyl ester
    —— (2-Chloro-ethyl)-phosphonic acid 2-chloro-ethyl ester cyclohexyl ester 66535-62-4 C10H19Cl2O3P
    (2-Chloro-ethyl)-phosphonic acid 2-chloro-ethyl ester cyclohexyl ester
    —— 2-(2,4-Dichlorphenyl)-3-(2-chlorphenoxy)-propanol 64009-48-9 C15H13Cl3O2
    2-(2,4-Dichlorphenyl)-3-(2-chlorphenoxy)-propanol
    —— 2-[2-(Sulfamoylmethyl)phenyl]acetic acid 1558450-20-6 C9H11NO4S
    2-[2-(Sulfamoylmethyl)phenyl]acetic acid
    —— 2-bicyclo[2.2.2]oct-2-yl-1<i>H</i>-benzoimidazole 65641-73-8 C15H18N2
    2-bicyclo[2.2.2]oct-2-yl-1<i>H</i>-benzoimidazole
    —— 2-<2,5-Dichlor-phenyl>-5-imino-4-methyl-3-oxo-2,3,4,5-tetrahydro-<1.2.4>triazin-6-carbonitril 66706-82-9 C11H7Cl2N5O
    2-<2,5-Dichlor-phenyl>-5-imino-4-methyl-3-oxo-2,3,4,5-tetrahydro-<1.2.4>triazin-6-carbonitril
    —— (2-Ethyl-benzofuran-4-yl)-(3,4,5-trimethoxy-phenyl)-methanone 65358-29-4 C20H20O5
    (2-Ethyl-benzofuran-4-yl)-(3,4,5-trimethoxy-phenyl)-methanone
    —— 2-[4-(1-oxo-1,3-dihydro-benzo[<i>e</i>]isoindol-2-yl)-phenyl]-propionic acid 67266-16-4 C21H17NO3
    2-[4-(1-oxo-1,3-dihydro-benzo[<i>e</i>]isoindol-2-yl)-phenyl]-propionic acid
    —— (2-Ethyl-benzofuran-6-yl)-(4-nitro-phenyl)-methanone 65358-41-0 C17H13NO4
    (2-Ethyl-benzofuran-6-yl)-(4-nitro-phenyl)-methanone
    —— 2,9-Dichlor-7a,14a-diaza-6,7,7a,13,14,14a-hexahydro-chino<2,3-b>-acridin-6,7,13,14-tetraon 66857-53-2 C18H6Cl2N4O4
    2,9-Dichlor-7a,14a-diaza-6,7,7a,13,14,14a-hexahydro-chino<2,3-b>-acridin-6,7,13,14-tetraon
    —— 2-Amino-2-methyl-cyclopentanol-(1) 58413-63-1 C6H13NO
    2-Amino-2-methyl-cyclopentanol-(1)
    —— 2,4-bis[1-(phenylimino)ethyl]thiazole chromium trichloride 1184194-78-2 C19H17Cl3CrN3S
    2,4-bis[1-(phenylimino)ethyl]thiazole chromium trichloride
    —— (2S,3R,4S)-2,3,4-trifluorooctyl 4-methylbenzenesulfonate 1200113-31-0 C15H21F3O3S
    (2S,3R,4S)-2,3,4-trifluorooctyl 4-methylbenzenesulfonate
    —— 2-(4-methanesulfonylphenyl)-N-pyrimidin-4-yl-3-(tetrahydropyran-4-yl)propionamide 745050-88-8 C19H23N3O4S
    2-(4-methanesulfonylphenyl)-N-pyrimidin-4-yl-3-(tetrahydropyran-4-yl)propionamide
    —— 2,7-di-tert-butyl-5-(3-tert-butyl-5-formyl-4-hydroxyphenyl)-9,9-dimethyl-9H-xanthene-4-carboxylic acid methyl ester 945629-70-9 C36H44O5
    2,7-di-tert-butyl-5-(3-tert-butyl-5-formyl-4-hydroxyphenyl)-9,9-dimethyl-9H-xanthene-4-carboxylic acid methyl ester
    —— 2-(5-Bromo-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-4-methyl-pentanoic acid pyridin-2-ylamide 67835-50-1 C19H18BrN3O3
    2-(5-Bromo-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-4-methyl-pentanoic acid pyridin-2-ylamide
    —— 2-Formamino-7,7-dimethyl-1-aethyl-norcamphan 91690-29-8 C12H21NO
    2-Formamino-7,7-dimethyl-1-aethyl-norcamphan
    —— 2,4-Dimethoxy-5-n-decyl-β-nitro-styrol 73551-72-1 C20H31NO4
    2,4-Dimethoxy-5-n-decyl-β-nitro-styrol
    —— (2,5-Dimethoxy-3,4-dimethyl-phenyl)-methoxy-acetic acid methyl ester 70313-17-6 C14H20O5
    (2,5-Dimethoxy-3,4-dimethyl-phenyl)-methoxy-acetic acid methyl ester
    —— 2-(3-chloro-4-{2-[2-(4-methoxy-phenyl)-2<i>H</i>-[1,2,3]triazol-4-yl]-vinyl}-phenyl)-[1,2,4]triazolo[1,5-<i>a</i>]pyridine 65965-87-9 C23H17ClN6O
    2-(3-chloro-4-{2-[2-(4-methoxy-phenyl)-2<i>H</i>-[1,2,3]triazol-4-yl]-vinyl}-phenyl)-[1,2,4]triazolo[1,5-<i>a</i>]pyridine
    —— 2-{3-chloro-4-[2-(2-phenyl-2<i>H</i>-[1,2,3]triazol-4-yl)-vinyl]-phenyl}-6-methyl-[1,2,4]triazolo[1,5-<i>a</i>]pyridine 65965-84-6 C23H17ClN6
    2-{3-chloro-4-[2-(2-phenyl-2<i>H</i>-[1,2,3]triazol-4-yl)-vinyl]-phenyl}-6-methyl-[1,2,4]triazolo[1,5-<i>a</i>]pyridine
    —— 2-Fluoro-benzoic acid 17-(1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 61215-99-4 C34H49FO2
    2-Fluoro-benzoic acid 17-(1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
    —— 2-((1<i>R</i>)-1-benzyl-3-chloro-7-oxo-(1<i>r</i><i>H</i>,5<i>c</i><i>H</i>)-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl)-3-methyl-but-2-enoic acid benzyl ester 56351-37-2 C23H21ClN2O3S
    2-((1<i>R</i>)-1-benzyl-3-chloro-7-oxo-(1<i>r</i><i>H</i>,5<i>c</i><i>H</i>)-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl)-3-methyl-but-2-enoic acid benzyl ester
    —— 2-Sulfo-succinic acid bis-{3-[3-(3-acetoxy-propyl)-1,1,3,3-tetramethyl-disiloxanyl]-propyl} ester 64144-71-4 C28H58O13SSi4
    2-Sulfo-succinic acid bis-{3-[3-(3-acetoxy-propyl)-1,1,3,3-tetramethyl-disiloxanyl]-propyl} ester
    —— 2-[(Triphenyl-λ<sup>5</sup>-phosphanylidene)-vinylidene]-malonic acid dimethyl ester 58456-34-1 C25H21O4P
    2-[(Triphenyl-λ<sup>5</sup>-phosphanylidene)-vinylidene]-malonic acid dimethyl ester
    —— (2R,3S)-3-(2-fluorophenyl)-2-hydroxy-3-(4-isopropylbenzoylamino)propionic acid 1013417-66-7 C19H20FNO4
    (2R,3S)-3-(2-fluorophenyl)-2-hydroxy-3-(4-isopropylbenzoylamino)propionic acid
    —— <2-<sup>14</sup>C>-2-Thio-5-n-propyluracil 69263-50-9 C7H10N2OS
    <2-<sup>14</sup>C>-2-Thio-5-n-propyluracil
    —— 2',3'-O-Isopropylidenuridin-6-carboxamid 34351-93-4 C13H17N3O7
    2',3'-O-Isopropylidenuridin-6-carboxamid
    —— [2-(2-Acetoxy-ethyl)-4-oxo-azetidin-1-yl]-hydroxy-acetic acid 2-nitro-benzyl ester 69060-93-1 C16H18N2O8
    [2-(2-Acetoxy-ethyl)-4-oxo-azetidin-1-yl]-hydroxy-acetic acid 2-nitro-benzyl ester
    —— 2,2'-Diaethyl-N,N'-dimethylbiacridan 68347-27-3 C32H30N2
    2,2'-Diaethyl-N,N'-dimethylbiacridan
    —— 2,2'-Dimethoxy-6,6'-dichloro-N,N'-dimethylbiacridan 58821-87-7 C30H24Cl2N2O2
    2,2'-Dimethoxy-6,6'-dichloro-N,N'-dimethylbiacridan
    —— (2,2-dimethyl-6,6-diphenyl-[1,3]dioxan-4-yl)-acetonitrile 70102-91-9 C20H21NO2
    (2,2-dimethyl-6,6-diphenyl-[1,3]dioxan-4-yl)-acetonitrile
    —— 2-<2-Toluidino>-4-<p-tolyl>-selenazol 19761-89-8 C17H16N2Se
    2-<2-Toluidino>-4-<p-tolyl>-selenazol
    —— (2,4,4-trimethyl-oxazolidin-2-ylmethyl)-phosphonic acid diethyl ester 66417-88-7 C11H24NO4P
    (2,4,4-trimethyl-oxazolidin-2-ylmethyl)-phosphonic acid diethyl ester
    —— 2,2-difluorocyclopropyl benzenesulfonate 1536473-26-3 C9H8F2O3S
    2,2-difluorocyclopropyl benzenesulfonate
    —— 2,2',4,4'-Tetrahydroxy-3,3',5,5'-tetraacetylbiphenyl 23080-58-2 C20H18O8
    2,2',4,4'-Tetrahydroxy-3,3',5,5'-tetraacetylbiphenyl