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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,12-Dithia-tricyclo[11.3.1.1<sup>5,9</sup>]octadeca-1(17),5,7,9(18),13,15-hexaene-4,10-dione 37789-00-7 C16H12O2S2
    2,12-Dithia-tricyclo[11.3.1.1<sup>5,9</sup>]octadeca-1(17),5,7,9(18),13,15-hexaene-4,10-dione
    —— 2α,3β-Dihydroxy-11-oxo-Δ<sup>12</sup>-oleanen-30-saeuremethylester-diacetat 22327-89-5 C35H52O7
    2α,3β-Dihydroxy-11-oxo-Δ<sup>12</sup>-oleanen-30-saeuremethylester-diacetat
    —— 2,5-Bis-(diethoxymethyl)-3-formyl-selenophen 39567-65-2 C15H24O5Se
    2,5-Bis-(diethoxymethyl)-3-formyl-selenophen
    —— 2,2,4,4-Tetrachlor-6-methyl-diphospha(V)-1,3,5-triazin 21599-86-0 C2H3Cl4N3P2
    2,2,4,4-Tetrachlor-6-methyl-diphospha(V)-1,3,5-triazin
    —— 2-Propyl-2,3-dihydro-benzo[b]thiophene 1,1-dioxide 50494-04-7 C11H14O2S
    2-Propyl-2,3-dihydro-benzo[b]thiophene 1,1-dioxide
    —— (+/-)-2-Acetyl-9-butyl-fluoren 15159-10-1 C19H20O
    (+/-)-2-Acetyl-9-butyl-fluoren
    —— (2,3,5,6-Tetrachlorpyridil)diphenylphosphin 28926-51-4 C17H10Cl4NP
    (2,3,5,6-Tetrachlorpyridil)diphenylphosphin
    —— 2'-O-(t-butyldimethylsilyl)-2-debenzoyl-2-m-N3-10-Boc-7-methylaminocarbonyl-10-deacetylcephalomannine 1329497-66-6 C56H75N5O16Si
    2'-O-(t-butyldimethylsilyl)-2-debenzoyl-2-m-N3-10-Boc-7-methylaminocarbonyl-10-deacetylcephalomannine
    —— 2-Brom-4-methoxy-benzolsulfonsaeurehydrazid 23095-17-2 C7H9BrN2O3S
    2-Brom-4-methoxy-benzolsulfonsaeurehydrazid
    —— 2-(biphen-3-yl)-2',3'-O-isopropylideneadenosine 1052239-63-0 C25H25N5O4
    2-(biphen-3-yl)-2',3'-O-isopropylideneadenosine
    —— (2Z,6E,10Z)-7-Ethyl-11-methyl-3-phenylsulfanyl-tetradeca-2,6,10-trienoic acid methyl ester 56510-47-5 C24H34O2S
    (2Z,6E,10Z)-7-Ethyl-11-methyl-3-phenylsulfanyl-tetradeca-2,6,10-trienoic acid methyl ester
    —— (2S,3R,4R)-4-(3,4-difluorophenyl)-2,9-dimethyl-3-nitro-2,3,4,9-tetrahydro-1H-carbazole 1211485-67-4 C20H18F2N2O2
    (2S,3R,4R)-4-(3,4-difluorophenyl)-2,9-dimethyl-3-nitro-2,3,4,9-tetrahydro-1H-carbazole
    —— 2-(4-Bromphenyl)-3,4-dihydro-2H-1-benzothiopyran 120229-40-5 C15H13BrS
    2-(4-Bromphenyl)-3,4-dihydro-2H-1-benzothiopyran
    —— 2-dimethylamino-6-ethyl-3<i>H</i>-pyrimidin-4-one 24042-25-9 C8H13N3O
    2-dimethylamino-6-ethyl-3<i>H</i>-pyrimidin-4-one
    —— 2,6,6-Trimethyl-3-oxo-cyclohexa-1,4-dienecarboxylic acid ethyl ester 36596-65-3 C12H16O3
    2,6,6-Trimethyl-3-oxo-cyclohexa-1,4-dienecarboxylic acid ethyl ester
    —— <2-14C-(C5,C5'-CO2H)>-Dehydro-diveratrumsaeure 22216-35-9 C18H18O8
    <2-14C-(C5,C5'-CO2H)>-Dehydro-diveratrumsaeure
    —— 2-Benzoylamino-3-<2-methoxy-phenyl>-acrylsaeure-<4-nitro-phenylhydrazid> 25282-78-4 C23H20N4O5
    2-Benzoylamino-3-<2-methoxy-phenyl>-acrylsaeure-<4-nitro-phenylhydrazid>
    —— 2-biphenyl-4-yl-6,7-dihydro-5<i>H</i>-imidazo[2,1-<i>b</i>][1,3]thiazine 30455-41-5 C18H16N2S
    2-biphenyl-4-yl-6,7-dihydro-5<i>H</i>-imidazo[2,1-<i>b</i>][1,3]thiazine
    —— 2-Oxo-4-benzoyl-6a-hydroxy-perhydropyrrolo<2,3-d>imidazol-5-carbonsaeure 20999-10-4 C13H13N3O5
    2-Oxo-4-benzoyl-6a-hydroxy-perhydropyrrolo<2,3-d>imidazol-5-carbonsaeure
    —— 2-(4-ethoxy-6-isopropylamino-[1,3,5]triazin-2-ylamino)-2-methyl-propionitrile 41277-18-3 C12H20N6O
    2-(4-ethoxy-6-isopropylamino-[1,3,5]triazin-2-ylamino)-2-methyl-propionitrile
    —— 2,4-Dihydroxy-3,3-dimethyl-pentanoic acid [2-(6-methoxy-pyridin-3-ylsulfamoyl)-ethyl]-amide 28048-10-4 C15H25N3O6S
    2,4-Dihydroxy-3,3-dimethyl-pentanoic acid [2-(6-methoxy-pyridin-3-ylsulfamoyl)-ethyl]-amide
    —— 2,5,1',2',5'-pentamethyl-4-phenyl-3,6,1',2',3',4',5',6'-octahydro-2<i>H</i>-[1,4']bipyridinyl 27296-14-6 C21H32N2
    2,5,1',2',5'-pentamethyl-4-phenyl-3,6,1',2',3',4',5',6'-octahydro-2<i>H</i>-[1,4']bipyridinyl
    —— 2-Hydroxy-3,4-dimethoxy-6-(2-oxo-propyl)-benzoic acid 33883-12-4 C12H14O6
    2-Hydroxy-3,4-dimethoxy-6-(2-oxo-propyl)-benzoic acid
    —— 2-(furan-2-yl-furfurylideneamino-methyl)-malonamide 31010-29-4 C13H13N3O4
    2-(furan-2-yl-furfurylideneamino-methyl)-malonamide
    —— 2-Methyl-2',3'-O-isopropyliden-adenosin-1-oxid 25455-57-6 C14H19N5O5
    2-Methyl-2',3'-O-isopropyliden-adenosin-1-oxid
    —— 2-(toluene-4-sulfonyloxymethyl)-1,2-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester 27525-82-2 C17H19NO7S
    2-(toluene-4-sulfonyloxymethyl)-1,2-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester
    —— 2-Amino-5-p-toluidino-benzochinon-bis-4-chlor-anil 25179-01-5 C25H20Cl2N4
    2-Amino-5-p-toluidino-benzochinon-bis-4-chlor-anil
    —— 2-chloro-6-chloromethanesulfonyloxy-pyridine 26593-86-2 C6H5Cl2NO3S
    2-chloro-6-chloromethanesulfonyloxy-pyridine
    —— 2-chloro-5-methyl-5,6,7,13b-tetrahydro-benzo[5,6][1,4]diazepino[7,1-<i>a</i>]isoindol-9-one 36271-26-8 C17H15ClN2O
    2-chloro-5-methyl-5,6,7,13b-tetrahydro-benzo[5,6][1,4]diazepino[7,1-<i>a</i>]isoindol-9-one
    —— 2-(benzenesulfonyl)pentan-2-ylsulfonylbenzene 84109-72-8 C17H20O4S2
    2-(benzenesulfonyl)pentan-2-ylsulfonylbenzene
    —— 2-(3-hydroxy-4-methylpent-4-enyl)-2,5,7,8-tetramethyl-2H-chromen-6-ol 1187761-83-6 C19H26O3
    2-(3-hydroxy-4-methylpent-4-enyl)-2,5,7,8-tetramethyl-2H-chromen-6-ol
    —— 2-{2,5-dimethoxy-4-[4-(trifluoromethyl)phenyl]phenyl}ethylamine hydrochloride 1216821-39-4 C17H18F3NO2*ClH
    2-{2,5-dimethoxy-4-[4-(trifluoromethyl)phenyl]phenyl}ethylamine hydrochloride
    —— 2-(dimethyl-phenyl-λ<sup>5</sup>-phosphanylidene)-1-(3-methyl-isoxazol-4-yl)-ethanone 59986-28-6 C14H16NO2P
    2-(dimethyl-phenyl-λ<sup>5</sup>-phosphanylidene)-1-(3-methyl-isoxazol-4-yl)-ethanone
    —— (2R,4S)-2-Methyl-4-((E)-styryl)-tricyclo[11.2.2.2<sup>5,8</sup>]nonadeca-1(16),5(19),6,8(18),13(17),14-hexaene 85848-70-0 C28H30
    (2R,4S)-2-Methyl-4-((E)-styryl)-tricyclo[11.2.2.2<sup>5,8</sup>]nonadeca-1(16),5(19),6,8(18),13(17),14-hexaene
    —— 2-Trichlormethyl-4-morpholino-6-(2-hydroxyisopropyl)-s-triazin 21091-10-1 C11H15Cl3N4O2
    2-Trichlormethyl-4-morpholino-6-(2-hydroxyisopropyl)-s-triazin
    —— 2,5-bis(naphthalen-2-ylamino)-3,6-dioxo-cyclohexa-1,4-dienecarboxylic acid methyl ester 1219836-48-2 C28H20N2O4
    2,5-bis(naphthalen-2-ylamino)-3,6-dioxo-cyclohexa-1,4-dienecarboxylic acid methyl ester
    —— 2,6-Dodecadienoic acid, 3,7,11-trimethyl-, ethyl ester, (Z,Z)- 34413-86-0 C17H30O2
    2,6-Dodecadienoic acid, 3,7,11-trimethyl-, ethyl ester, (Z,Z)-
    —— 2,6-Bis-<pyridyl-(4)>-4,8-dioxo-1,4,5,8-tetrahydro-benzo<1.2-d,4.5-d'>diimidazol 22827-02-7 C18H10N6O2
    2,6-Bis-<pyridyl-(4)>-4,8-dioxo-1,4,5,8-tetrahydro-benzo<1.2-d,4.5-d'>diimidazol
    —— 2-(3-Oxo-1-butenyl)-3-(2-nitro-3-chlor-phenyl)-5-methyl-pyrrol-4-carbonsaeureethylester 18049-78-0 C18H17ClN2O5
    2-(3-Oxo-1-butenyl)-3-(2-nitro-3-chlor-phenyl)-5-methyl-pyrrol-4-carbonsaeureethylester
    —— 2-(2,5-Dimethylphenoxy)-3,5-dibrom-6-methylpyridin 28216-24-2 C14H13Br2NO
    2-(2,5-Dimethylphenoxy)-3,5-dibrom-6-methylpyridin
    —— 2,2'-Diadamantyl-2,2'-thenil 30135-25-2 C30H34O2S2
    2,2'-Diadamantyl-2,2'-thenil
    —— (2S,3S,4S,5R,6S)-3,4,5-Triacetoxy-6-benzyloxythiocarbonylsulfanyl-tetrahydro-pyran-2-carboxylic acid methyl ester 29587-17-5 C21H24O10S2
    (2S,3S,4S,5R,6S)-3,4,5-Triacetoxy-6-benzyloxythiocarbonylsulfanyl-tetrahydro-pyran-2-carboxylic acid methyl ester
    —— (2-Ethyl-1,2-dihydropyrrolizin-5-yl)-propylamin 26238-39-1 C12H20N2
    (2-Ethyl-1,2-dihydropyrrolizin-5-yl)-propylamin
    —— [(2S)-2-[(3,4-dimethoxyphenyl)methoxymethyl]-2-[(2-methylpropan-2-yl)oxycarbonylamino]but-3-ynyl] acetate 502183-36-0 C21H29NO7
    [(2S)-2-[(3,4-dimethoxyphenyl)methoxymethyl]-2-[(2-methylpropan-2-yl)oxycarbonylamino]but-3-ynyl] acetate
    —— 2-(3-chloro-phenyl)-5-methyl-3-phenyl-3<i>H</i>-[1,2,4]triazolo[1,5-<i>a</i>]pyrimidin-7-one 27878-12-2 C18H13ClN4O
    2-(3-chloro-phenyl)-5-methyl-3-phenyl-3<i>H</i>-[1,2,4]triazolo[1,5-<i>a</i>]pyrimidin-7-one
    —— 2-n-Butyl-3-oxoglutarsaeurediethylester 42324-14-1 C13H22O5
    2-n-Butyl-3-oxoglutarsaeurediethylester
    —— 2-(N-Piperidino)-7-methoxy-5,8-dioxochinolin 31570-95-3 C15H16N2O3
    2-(N-Piperidino)-7-methoxy-5,8-dioxochinolin
    —— 2-isopropyl-6-methyl-2,3,4,5-tetrahydro-pyridazine-3<i>r</i>,4<i>c</i>-dicarboxylic acid anhydride 38483-00-0 C10H14N2O3
    2-isopropyl-6-methyl-2,3,4,5-tetrahydro-pyridazine-3<i>r</i>,4<i>c</i>-dicarboxylic acid anhydride
    —— 2(Morpholino)-5-isopropyl-5(1-methoxyethyl)-1,3,2-dioxaphosphorinan-2-oxid 35147-88-7 C13H26NO5P
    2(Morpholino)-5-isopropyl-5(1-methoxyethyl)-1,3,2-dioxaphosphorinan-2-oxid
    —— (2R,3R,4S,5R,6S)-4-[(2S,3R,4R,5S)-5-((R)-1,2-Dihydroxy-ethyl)-3,4-dihydroxy-tetrahydro-furan-2-yloxy]-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3,5-diol 24708-01-8 C13H24O11
    (2R,3R,4S,5R,6S)-4-[(2S,3R,4R,5S)-5-((R)-1,2-Dihydroxy-ethyl)-3,4-dihydroxy-tetrahydro-furan-2-yloxy]-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3,5-diol