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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Pentyldihydrogenphosphat Aniliniumsalz 68695-47-6 C5H13O4P*C6H7N
    2-Pentyldihydrogenphosphat Aniliniumsalz
    —— 2,23-Di-O-methyl-jaligonsaeure-dimethylester 65649-35-6 C34H54O7
    2,23-Di-O-methyl-jaligonsaeure-dimethylester
    —— 2-Phenyl-3-(m-methoxyphenyl)propansaeure-1-14C 69490-52-4 C16H16O3
    2-Phenyl-3-(m-methoxyphenyl)propansaeure-1-14C
    —— 2-Benzyloxy-6-chlormethyl-4-methoxybenzoesaeure 67093-34-9 C16H15ClO4
    2-Benzyloxy-6-chlormethyl-4-methoxybenzoesaeure
    —— 2-[4-(2-amino-5-chloroanilino)phenyl]ethanol 415909-48-7 C14H15ClN2O
    2-[4-(2-amino-5-chloroanilino)phenyl]ethanol
    —— 2-Methyl-4-(2-phenylhydrazinylidene)-1-benzofuran-5(4H)-one 65874-39-7 C15H12N2O2
    2-Methyl-4-(2-phenylhydrazinylidene)-1-benzofuran-5(4H)-one
    —— 2,4-Dibromo-3-hydroxy-6-[1-(hydroxyamino)ethylidene]cyclohexa-2,4-dien-1-one 82124-00-3 C8H7Br2NO3
    2,4-Dibromo-3-hydroxy-6-[1-(hydroxyamino)ethylidene]cyclohexa-2,4-dien-1-one
    —— 2-(2-pyridylmethylthio)-5-phenyl-5-ethylimidazolin-4-one 181219-39-6 C17H17N3OS
    2-(2-pyridylmethylthio)-5-phenyl-5-ethylimidazolin-4-one
    —— (2RS,3RS)-3-bromo-2,5,8-trihydroxy-2-methyl-1,2,3,4-tetrahydro-9,10-anthraquinone 137788-31-9 C15H13BrO5
    (2RS,3RS)-3-bromo-2,5,8-trihydroxy-2-methyl-1,2,3,4-tetrahydro-9,10-anthraquinone
    —— (2S,3R)-2-Dibenzylamino-2,3-dimethyl-pentanedioic acid 5-tert-butyl ester 1-methyl ester 129397-24-6 C26H35NO4
    (2S,3R)-2-Dibenzylamino-2,3-dimethyl-pentanedioic acid 5-tert-butyl ester 1-methyl ester
    —— 2-(difluoromethyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1951411-51-0 C12H16BF2NO2
    2-(difluoromethyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
    —— 2-(3-dimethylaminocarbonylphenoxy)-6-(2-chloro-5-amidinophenoxy)-8-benzylpurine 1099490-71-7 C28H24ClN7O3
    2-(3-dimethylaminocarbonylphenoxy)-6-(2-chloro-5-amidinophenoxy)-8-benzylpurine
    —— 2-Isopropenyl-1,1,4,4-tetramethyl-1,2,3,4-tetrahydro-benzo[1,4]disiline 131081-01-1 C15H24Si2
    2-Isopropenyl-1,1,4,4-tetramethyl-1,2,3,4-tetrahydro-benzo[1,4]disiline
    —— 2-oxoethyl (E)-4-(4-nitrophenyl)-4-oxobut-2-enoate 1579957-87-1 C12H9NO6
    2-oxoethyl (E)-4-(4-nitrophenyl)-4-oxobut-2-enoate
    —— [(2S,4aS,5R,8S,8aS)-8a-hydroxy-5-methyl-8-propan-2-yl-2,3,4,4a,5,6,7,8-octahydro-1H-naphthalen-2-yl] acetate 160454-03-5 C16H28O3
    [(2S,4aS,5R,8S,8aS)-8a-hydroxy-5-methyl-8-propan-2-yl-2,3,4,4a,5,6,7,8-octahydro-1H-naphthalen-2-yl] acetate
    —— 2,2,2-trifluoro-N-(3-(3-((4-hydroxytetrahydro-2H-thiopyran-4-yl)ethynyl)phenoxy)propyl)acetamide 1098107-19-7 C17H18F3NO3S
    2,2,2-trifluoro-N-(3-(3-((4-hydroxytetrahydro-2H-thiopyran-4-yl)ethynyl)phenoxy)propyl)acetamide
    —— 2-phenylsulfinyl-3-hexylthiophene 1519969-83-5 C16H20OS2
    2-phenylsulfinyl-3-hexylthiophene
    —— 2-bromo-N-(but-3-en-1-yl)-N-(2-methoxyphenyl)benzenesulfonamide 1582316-68-4 C17H18BrNO3S
    2-bromo-N-(but-3-en-1-yl)-N-(2-methoxyphenyl)benzenesulfonamide
    —— 2-methoxy-5-(7-methyl-3-methylene-oct-6-en-1-ynyl)hex-4-ene-1,3,6-triol 1461727-09-2 C17H26O4
    2-methoxy-5-(7-methyl-3-methylene-oct-6-en-1-ynyl)hex-4-ene-1,3,6-triol
    —— 2,2'-<i>p</i>-phenylenedioxy-di-dodecanoic acid 103160-52-7 C30H50O6
    2,2'-<i>p</i>-phenylenedioxy-di-dodecanoic acid
    —— 2-ethyl-3-n-propyl-5,6-dihydro-1,4-dithiin-1,1,4,4-tetroxide 68090-39-1 C9H16O4S2
    2-ethyl-3-n-propyl-5,6-dihydro-1,4-dithiin-1,1,4,4-tetroxide
    —— 2-[4-(5-chloro-7-morpholin-4-yl-thiazolo[5,4-d]pyrimidin-2-ylmethyl)-piperazin-1-yl]-isobutyramide 1093075-23-0 C18H26ClN7O2S
    2-[4-(5-chloro-7-morpholin-4-yl-thiazolo[5,4-d]pyrimidin-2-ylmethyl)-piperazin-1-yl]-isobutyramide
    —— {2-[2-((4R,5S)-4-methyl-2-oxo-5-phenyl-oxazolidin-3-ylmethyl)-4-trifluoromethyl-phenoxy]-biphenyl-4-yl}-acetic acid methyl ester 1182352-67-5 C33H28F3NO5
    {2-[2-((4R,5S)-4-methyl-2-oxo-5-phenyl-oxazolidin-3-ylmethyl)-4-trifluoromethyl-phenoxy]-biphenyl-4-yl}-acetic acid methyl ester
    —— 2,4,6-tri-O-benzyl-3-O-(4-methoxyphenyl)methyl-β-D-galactopyranosyl-(1->4)-2-acetamido-3,6-di-O-benzyl-2-deoxy-β-D-glucopyranosyl-(1->2)-3,4,6-tri-O-benzyl-β-D-mannopyranosyl fluoride 1192143-17-1 C84H90FNO16
    2,4,6-tri-O-benzyl-3-O-(4-methoxyphenyl)methyl-β-D-galactopyranosyl-(1->4)-2-acetamido-3,6-di-O-benzyl-2-deoxy-β-D-glucopyranosyl-(1->2)-3,4,6-tri-O-benzyl-β-D-mannopyranosyl fluoride
    —— (2-bromo-1-bromomethyl-1-methyl-ethyl)-benzene 125818-44-2 C10H12Br2
    (2-bromo-1-bromomethyl-1-methyl-ethyl)-benzene
    —— 2,3-dimethyl-8-oxo-7<i>c</i>-trimethylsilanyl-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2ξ-carboxylic acid methyl ester 53354-04-4 C13H21NO3SSi
    2,3-dimethyl-8-oxo-7<i>c</i>-trimethylsilanyl-(6<i>r</i><i>H</i>)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2ξ-carboxylic acid methyl ester
    —— 2-(4-acetamidophenyl)benzimidazole-5-carbamic acid ethyl ester 76345-74-9 C18H18N4O3
    2-(4-acetamidophenyl)benzimidazole-5-carbamic acid ethyl ester
    —— 2-chlorocyclohexyl (2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate 1198151-60-8 C16H18ClF3O3
    2-chlorocyclohexyl (2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate
    —— 2-Nitro-propylnitrat 21960-79-2 C3H6N2O5
    2-Nitro-propylnitrat
    —— 2'-phenethylspiro<ciclohexane-1,3'-indoline> 120714-70-7 C21H25N
    2'-phenethylspiro<ciclohexane-1,3'-indoline>
    —— (2,6-bis[1-((2,6-diisopropylphenyl)imino)ethyl]pyridine)trichlorochromium(III) 404866-60-0 C33H43Cl3CrN3
    (2,6-bis[1-((2,6-diisopropylphenyl)imino)ethyl]pyridine)trichlorochromium(III)
    —— 2-(3-(4-methoxyphenyl)benzo[c]thiophen-1-yl)-5-(phenylsulfonyl)-5H-thieno[3,2-b]carbazole 1137726-68-1 C35H23NO3S3
    2-(3-(4-methoxyphenyl)benzo[c]thiophen-1-yl)-5-(phenylsulfonyl)-5H-thieno[3,2-b]carbazole
    —— 2-methyl-4-(1-phenyl-1H-tetrazol-5-ylsulfonyl)-2-(thiophen-2-yl)butanal 1342313-25-0 C16H16N4O3S2
    2-methyl-4-(1-phenyl-1H-tetrazol-5-ylsulfonyl)-2-(thiophen-2-yl)butanal
    —— 2-Butyl-1-[(1Z,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-2,5,6,7,8,9-hexahydro-1H-cyclohepta[c]pyridine 120120-47-0 C28H43N
    2-Butyl-1-[(1Z,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-2,5,6,7,8,9-hexahydro-1H-cyclohepta[c]pyridine
    —— (2S)-2,3-bis(4-hydroxyphenyl)propanoic acid 1361305-19-2 C15H14O4
    (2S)-2,3-bis(4-hydroxyphenyl)propanoic acid
    —— 2,3,4-tri-O-acetyl-1,6-anhydro-β-D-(6-13C)glucopyranose 247158-14-1 C12H16O8
    2,3,4-tri-O-acetyl-1,6-anhydro-β-D-(6-13C)glucopyranose
    —— 2-(4-Chloro-benzyl)-2,4-dihydro-pyrazol-3-one 57037-72-6 C10H9ClN2O
    2-(4-Chloro-benzyl)-2,4-dihydro-pyrazol-3-one
    —— 2,4,6-Trimethyl-selenolo<3,2-c>pyridine 34547-97-2 C10H11NSe
    2,4,6-Trimethyl-selenolo<3,2-c>pyridine
    —— 2,3-Epoxy-2-phenyl-3-(p-methoxyphenyl)indanone 67735-75-5 C22H16O3
    2,3-Epoxy-2-phenyl-3-(p-methoxyphenyl)indanone
    —— 2,3-bis(tert-butylsulfanyl)-2,3-bis(2-hydroxybutyl)butanedinitrile 105750-82-1 C20H36N2O2S2
    2,3-bis(tert-butylsulfanyl)-2,3-bis(2-hydroxybutyl)butanedinitrile
    —— 2,4,6-Trimethyl-2,4,6-tripropoxy-[1,3,5,2,4,6]trithiatrisilinane 58307-24-7 C12H30O3S3Si3
    2,4,6-Trimethyl-2,4,6-tripropoxy-[1,3,5,2,4,6]trithiatrisilinane
    —— 2-Amino-4-(3-bromo-phenyl)-8-methoxy-5,6-dihydro-4H-benzo[h]chromene-3-carbonitrile 929698-62-4 C21H17BrN2O2
    2-Amino-4-(3-bromo-phenyl)-8-methoxy-5,6-dihydro-4H-benzo[h]chromene-3-carbonitrile
    —— 2,2-dichloro-1,1-dimethylspiro[2.14]heptadecane 112126-16-6 C19H34Cl2
    2,2-dichloro-1,1-dimethylspiro[2.14]heptadecane
    —— 2-tert-Butoxycarbonylamino-2-methyl-butyric acid 4-nitro-phenyl ester 188922-34-1 C16H22N2O6
    2-tert-Butoxycarbonylamino-2-methyl-butyric acid 4-nitro-phenyl ester
    —— 2-[4-(piperidine-2-oxoethoxy)benzoyl]-3-(4-hydroxyphenyl)-6,7-dihydrogen-5H-furo[3,2-g]chromene 1243202-63-2 C31H29NO6
    2-[4-(piperidine-2-oxoethoxy)benzoyl]-3-(4-hydroxyphenyl)-6,7-dihydrogen-5H-furo[3,2-g]chromene
    —— 2-[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-1-phenyl-1,2-dihydro-imidazo[2,1-b]quinazoline-3,5-dione 83430-40-4 C24H17N3O3
    2-[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-1-phenyl-1,2-dihydro-imidazo[2,1-b]quinazoline-3,5-dione
    —— 2-Pyruoylpyrrol-2'-phenylhydrazon 70251-06-8 C13H13N3O
    2-Pyruoylpyrrol-2'-phenylhydrazon
    —— 2-(3-Ethylendioxy-1,4,4-trimethylcyclohexyl)ethanol 68269-52-3 C13H24O3
    2-(3-Ethylendioxy-1,4,4-trimethylcyclohexyl)ethanol
    —— 2,4-Dimethyl-2-trifluorethoxycyclopent-4-en-1,3-dion 72183-37-0 C9H9F3O3
    2,4-Dimethyl-2-trifluorethoxycyclopent-4-en-1,3-dion
    —— 2,9-bis-benzoyloxymethyl-6,13-dichloro-benzo[5,6][1,4]oxazino[2,3-<i>b</i>]phenoxazine 63353-56-0 C34H20Cl2N2O6
    2,9-bis-benzoyloxymethyl-6,13-dichloro-benzo[5,6][1,4]oxazino[2,3-<i>b</i>]phenoxazine