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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4-Diisocyanato-1-(2,2,3,3-tetrafluoropropoxy)benzene 35109-66-1 C11H6F4N2O3
    2,4-Diisocyanato-1-(2,2,3,3-tetrafluoropropoxy)benzene
    —— 2-Chloro-6-iodo-3-nitrobenzeneacetic acid 37777-83-6 C8H5ClINO4
    2-Chloro-6-iodo-3-nitrobenzeneacetic acid
    —— 2-(3-Fluoro-5-methoxybenzoyl)propanedinitrile 1092789-20-2 C11H7FN2O2
    2-(3-Fluoro-5-methoxybenzoyl)propanedinitrile
    —— 2-Piperidinecarboxamide, 1-(2-furanylcarbonyl)-N-methyl-N-1H-pyrazol-4-yl- 2405300-00-5 C15H18N4O3
    2-Piperidinecarboxamide, 1-(2-furanylcarbonyl)-N-methyl-N-1H-pyrazol-4-yl-
    —— 2-Chloro-6-nitro-I(2)-oxobenzenepropanoic acid 1000556-87-5 C9H6ClNO5
    2-Chloro-6-nitro-I(2)-oxobenzenepropanoic acid
    —— 2-Pyridineacetic acid, 3-amino-5-nitro-6-(trifluoromethoxy)-, methyl ester 1806230-00-1 C9H8F3N3O5
    2-Pyridineacetic acid, 3-amino-5-nitro-6-(trifluoromethoxy)-, methyl ester
    —— 2-{1-[(Tert-butoxy)carbonyl]piperidin-3-yl}-1,3-thiazole-5-carboxylic acid 1314137-88-6 C14H20N2O4S
    2-{1-[(Tert-butoxy)carbonyl]piperidin-3-yl}-1,3-thiazole-5-carboxylic acid
    —— 2-[Dimethyl-[3-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16-nonacosafluorohexadecylsulfonylamino)propyl]azaniumyl]acetate 278598-47-3 C23H19F29N2O4S
    2-[Dimethyl-[3-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16-nonacosafluorohexadecylsulfonylamino)propyl]azaniumyl]acetate
    —— 2,5-Pyrrolidinedione, 3-(acetyloxy)-4-bromo-, (3S-trans)- 165387-98-4 C6H6BrNO4
    2,5-Pyrrolidinedione, 3-(acetyloxy)-4-bromo-, (3S-trans)-
    —— 2,9-dimethyl-6-[2-(4-methoxyphenyl)ethyl]-1,2,3,4,5,6-hexahydroazepino[4,3-b]indole hydrochloride 1166848-14-1 C23H28N2O*ClH
    2,9-dimethyl-6-[2-(4-methoxyphenyl)ethyl]-1,2,3,4,5,6-hexahydroazepino[4,3-b]indole hydrochloride
    —— 2,3-di-3-pyridylbicyclo<2.2.1>hepta-2,5-diene 107677-81-6 C17H14N2
    2,3-di-3-pyridylbicyclo<2.2.1>hepta-2,5-diene
    —— 2-(2-Propyl)-3-(dimethylamino)propenal 85907-42-2 C8H15NO
    2-(2-Propyl)-3-(dimethylamino)propenal
    —— 2-O-(1-butoxy-1-oxonon-2-en-2-yl) 1-O-ethyl oxalate 56275-51-5 C17H28O6
    2-O-(1-butoxy-1-oxonon-2-en-2-yl) 1-O-ethyl oxalate
    —— (2S,3S)-2-(dibenzylamino)-6-oxooctadec-3-yl acetate 941715-56-6 C34H51NO3
    (2S,3S)-2-(dibenzylamino)-6-oxooctadec-3-yl acetate
    —— 2-(3-Methoxycarbonylamino-phenoxycarbonylamino)-benzoic acid methyl ester 23122-05-6 C17H16N2O6
    2-(3-Methoxycarbonylamino-phenoxycarbonylamino)-benzoic acid methyl ester
    —— 2-(1-pentyl-cyclohexyl)-[1,3,2]dioxaborolane 39545-50-1 C13H25BO2
    2-(1-pentyl-cyclohexyl)-[1,3,2]dioxaborolane
    —— 2-(R)-[1-(R)-benzyloxymethyl-allyloxy]-3-(R)-methoxymethoxy-pentadecan-1-ol 790698-05-4 C28H48O5
    2-(R)-[1-(R)-benzyloxymethyl-allyloxy]-3-(R)-methoxymethoxy-pentadecan-1-ol
    —— 2-Oxiranylmethyl-butyric acid 2-methoxy-ethyl ester 94958-11-9 C10H18O4
    2-Oxiranylmethyl-butyric acid 2-methoxy-ethyl ester
    —— 2,5-dihydro-10-methoxy-5-(3-(2-(N,N-dimethylamino)ethyl)phenyl)-2,2,4-trimethyl-1H-[1]benzopyrano[3,4-f]quinoline 239069-80-8 C30H34N2O2
    2,5-dihydro-10-methoxy-5-(3-(2-(N,N-dimethylamino)ethyl)phenyl)-2,2,4-trimethyl-1H-[1]benzopyrano[3,4-f]quinoline
    —— 2-(2-pyridin-2-yl-ethylsulfanyl)-3<i>H</i>-imidazo[4,5-<i>b</i>]pyridine 23593-38-6 C13H12N4S
    2-(2-pyridin-2-yl-ethylsulfanyl)-3<i>H</i>-imidazo[4,5-<i>b</i>]pyridine
    —— 2-(18F)fluoro-2,2-difluoro-1-(4-fluorophenyl)-1-phenylethanol 1431638-38-8 C14H10F4O
    2-(18F)fluoro-2,2-difluoro-1-(4-fluorophenyl)-1-phenylethanol
    —— 2-{[({[1-(furan-2-ylmethyl)piperidin-4-yl]carbamoyl}methyl)amino]methyl}pyridine-4-carboxylic acid 1596347-98-6 C19H24N4O4
    2-{[({[1-(furan-2-ylmethyl)piperidin-4-yl]carbamoyl}methyl)amino]methyl}pyridine-4-carboxylic acid
    —— 2-[[4-(4-Heptoxybenzoyl)oxyphenyl]methyl-[4-[(3-methylthiophene-2-carbonyl)amino]benzoyl]amino]acetic acid 1415671-05-4 C36H38N2O7S
    2-[[4-(4-Heptoxybenzoyl)oxyphenyl]methyl-[4-[(3-methylthiophene-2-carbonyl)amino]benzoyl]amino]acetic acid
    —— 2-Chlor-2-methyl-3-(4-nitro-phenyl)-propionsaeure 1020-72-0 C10H10ClNO4
    2-Chlor-2-methyl-3-(4-nitro-phenyl)-propionsaeure
    —— 2-[12-chloro-20,20-dimethyl-23-oxo-5-(2,2,2-trifluoroethoxy)-14-oxa-2,4,6,8,18,22,31-heptazatetracyclo[22.2.2.210,13.13,7]hentriaconta-1(26),3,5,7(31),10,12,24,27,29-nonaen-18-yl]-N-(2,4-difluorophenyl)-2-oxoacetamide 1604813-10-6 C35H34ClF5N8O5
    2-[12-chloro-20,20-dimethyl-23-oxo-5-(2,2,2-trifluoroethoxy)-14-oxa-2,4,6,8,18,22,31-heptazatetracyclo[22.2.2.210,13.13,7]hentriaconta-1(26),3,5,7(31),10,12,24,27,29-nonaen-18-yl]-N-(2,4-difluorophenyl)-2-oxoacetamide
    —— 2-benzyl-6-exo-phenoxy-2-azabicyclo<2.2.2>octan-3-one 60511-87-7 C20H21NO2
    2-benzyl-6-exo-phenoxy-2-azabicyclo<2.2.2>octan-3-one
    —— 2,3-dichloro-N-(2-(4-methoxypiperidin-1-yl)-2-(2-methylpyrimidin-5-yl)ethyl)benzamide 1601469-96-8 C20H24Cl2N4O2
    2,3-dichloro-N-(2-(4-methoxypiperidin-1-yl)-2-(2-methylpyrimidin-5-yl)ethyl)benzamide
    —— 2-Carboxymethyl-1-dodecyl-3-methylglycerol 129048-94-8 C18H36O5
    2-Carboxymethyl-1-dodecyl-3-methylglycerol
    —— 2,3-Dimethyl-4-phenylthiobut-1-ene 101384-27-4 C12H16S
    2,3-Dimethyl-4-phenylthiobut-1-ene
    —— 2-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)-N-methoxy-N-methylhept-2-enamide 1383440-76-3 C16H37NO4Si3
    2-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)-N-methoxy-N-methylhept-2-enamide
    —— 2-(1-methyl-1H-[2]pyridylidenemethylimino)-indane-1,3-dione 101291-02-5 C16H12N2O2
    2-(1-methyl-1H-[2]pyridylidenemethylimino)-indane-1,3-dione
    —— 2,4,10,11-tetramethyl-phenylprodigiosene hydrochloride 105256-88-0 C23H23N3*ClH
    2,4,10,11-tetramethyl-phenylprodigiosene hydrochloride
    —— 2-dichlorophosphanyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione 141941-56-2 C8H8Cl2NO2P
    2-dichlorophosphanyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione
    —— (2S,3aS,5aS,6R,8aS)-2,3a,6-Trimethyl-octahydro-cyclopenta[c]pentalen-1-one 92269-60-8 C14H22O
    (2S,3aS,5aS,6R,8aS)-2,3a,6-Trimethyl-octahydro-cyclopenta[c]pentalen-1-one
    —— (2-Aza-bicyclo[2.2.0]hex-5-en-2-yl)-acetic acid ethyl ester 59501-64-3 C9H13NO2
    (2-Aza-bicyclo[2.2.0]hex-5-en-2-yl)-acetic acid ethyl ester
    —— 2-(2-isopropyl-5-methyl-2<i>H</i>-pyrazol-3-ylamino)-benzoic acid 57860-97-6 C14H17N3O2
    2-(2-isopropyl-5-methyl-2<i>H</i>-pyrazol-3-ylamino)-benzoic acid
    —— (2aS,7aS)-7aH-7-Oxa-cyclobuta[a]indene-2,2a-dicarboxylic acid dimethyl ester 62250-77-5 C14H12O5
    (2aS,7aS)-7aH-7-Oxa-cyclobuta[a]indene-2,2a-dicarboxylic acid dimethyl ester
    —— 2-Sulfanilamido-4-acetonyl-6-methyl-pyrimidin 58416-81-2 C14H16N4O3S
    2-Sulfanilamido-4-acetonyl-6-methyl-pyrimidin
    —— 2,3-Dihydro-1-hydroxy-5-hydroxymethyl-3,3-dimethyl-1H-pyrano<3,2-a>carbazol 40463-85-2 C18H19NO3
    2,3-Dihydro-1-hydroxy-5-hydroxymethyl-3,3-dimethyl-1H-pyrano<3,2-a>carbazol
    —— 2-(2-Acetoxy-2,6-dimethyl-5-heptenyl)-1,3-dithian 52920-87-3 C15H26O2S2
    2-(2-Acetoxy-2,6-dimethyl-5-heptenyl)-1,3-dithian
    —— 2-[3-(4-Methyl-piperidin-1-yl)-propyl]-2-thiophen-2-yl-pent-4-enenitrile 69347-70-2 C18H26N2S
    2-[3-(4-Methyl-piperidin-1-yl)-propyl]-2-thiophen-2-yl-pent-4-enenitrile
    —— 2-Thiabicyclo<2.2.1>heptan-6-exo-ol-trideuteroacetat 67338-27-6 C8H12O2S
    2-Thiabicyclo<2.2.1>heptan-6-exo-ol-trideuteroacetat
    —— 2-({3-[1-Dimethylamino-meth-(E)-ylidene]-cyclopenta-1,4-dienyl}-piperidin-1-yl-methylene)-malononitrile 67434-73-5 C17H20N4
    2-({3-[1-Dimethylamino-meth-(E)-ylidene]-cyclopenta-1,4-dienyl}-piperidin-1-yl-methylene)-malononitrile
    —— 2-Hydroxy-2,6-dimethyl-11-(2-methyl-propenyl)-8,10-dioxa-tricyclo[5.2.2.0<sup>1,6</sup>]undecane-5,9-dione 64340-29-0 C15H20O5
    2-Hydroxy-2,6-dimethyl-11-(2-methyl-propenyl)-8,10-dioxa-tricyclo[5.2.2.0<sup>1,6</sup>]undecane-5,9-dione
    —— 2-adamantan-1-yl-4-oxiranyl-8-trifluoromethyl-quinoline 49648-05-7 C22H22F3NO
    2-adamantan-1-yl-4-oxiranyl-8-trifluoromethyl-quinoline
    —— (2-chloro-ethyl)-ethyl-(5-methyl-2-oxo-2λ<sup>5</sup>-[1,2]oxaphospholan-2-yl)-amine 53315-49-4 C8H17ClNO2P
    (2-chloro-ethyl)-ethyl-(5-methyl-2-oxo-2λ<sup>5</sup>-[1,2]oxaphospholan-2-yl)-amine
    —— (2S)-2-[4-(4-chloro-3-fluorophenyl)-2,7-dimethylquinolin-3-yl]-2-[(2-methylpropan-2-yl)oxy]acetic acid 1155271-15-0 C23H23ClFNO3
    (2S)-2-[4-(4-chloro-3-fluorophenyl)-2,7-dimethylquinolin-3-yl]-2-[(2-methylpropan-2-yl)oxy]acetic acid
    —— 2,4-dimethyl-11-oxo-11H-indeno[1,2-b]quinoline-6-carboxylic acid 312273-18-0 C19H13NO3
    2,4-dimethyl-11-oxo-11H-indeno[1,2-b]quinoline-6-carboxylic acid
    —— 2-amino-9,9,9',9',9'',9''-hexa((S)-3,7-dimethyloctyl)-7,2':7',2''-terfluorene 1101928-80-6 C99H147N
    2-amino-9,9,9',9',9'',9''-hexa((S)-3,7-dimethyloctyl)-7,2':7',2''-terfluorene
    —— 2,4-Dichlorophenol glucuronide 82854-67-9 C12H12Cl2O7
    2,4-Dichlorophenol glucuronide