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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,5-di(1-H-pyrazol-4-yl)benzenesulfonic acid 1391524-23-4 C12H10N4O3S
    2,5-di(1-H-pyrazol-4-yl)benzenesulfonic acid
    —— 2,3,4,5,2',3',4',5'-octaphenyl-1H,1'H-1,1'-buta-1,3-diene-1t,4t-diyl-bis-phosphole 1,1'-dioxide 34673-90-0 C60H44O2P2
    2,3,4,5,2',3',4',5'-octaphenyl-1H,1'H-1,1'-buta-1,3-diene-1t,4t-diyl-bis-phosphole 1,1'-dioxide
    —— 2,3-dihydro-isoxazolo[2,3-<i>a</i>]pyridinylium; bromide 91448-12-3 Br*C7H8NO
    2,3-dihydro-isoxazolo[2,3-<i>a</i>]pyridinylium; bromide
    —— 2-Hydroxy-5-nitrobenzaldehyde 2-(1H-benzimidazol-2-yl)hydrazone 130890-80-1 C14H11N5O3
    2-Hydroxy-5-nitrobenzaldehyde 2-(1H-benzimidazol-2-yl)hydrazone
    —— 2-bromo-1-(naphthalen-2-yl)-3-phenylpropan-1-one 1033774-80-9 C19H15BrO
    2-bromo-1-(naphthalen-2-yl)-3-phenylpropan-1-one
    —— (2R,3S,4S,5R)-3-<(1R,2R)-<3-(benzyloxy)-1,2-isopropylidenedioxy>propyl>-5-<<(2,2-dimethylpropionyl)oxy>methyl>-4-hydroxy-2-methoxy-3-methyltetrahydrofuran 116612-23-8 C25H38O8
    (2R,3S,4S,5R)-3-<(1R,2R)-<3-(benzyloxy)-1,2-isopropylidenedioxy>propyl>-5-<<(2,2-dimethylpropionyl)oxy>methyl>-4-hydroxy-2-methoxy-3-methyltetrahydrofuran
    —— (2S,3R)-2-Amino-3-tert-butoxy-butyric acid 2-trimethylsilanyl-ethyl ester 76587-50-3 C13H29NO3Si
    (2S,3R)-2-Amino-3-tert-butoxy-butyric acid 2-trimethylsilanyl-ethyl ester
    —— 2-(5-chloro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-N-[3-(pyridin-4-yl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazinecarbothioamide 1423159-93-6 C16H11ClN8OS2
    2-(5-chloro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-N-[3-(pyridin-4-yl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazinecarbothioamide
    —— (2S,3S)-2,3-Diacetoxy-4-dodecanoylperoxy-4-oxo-butyric acid methyl ester 111663-08-2 C21H34O10
    (2S,3S)-2,3-Diacetoxy-4-dodecanoylperoxy-4-oxo-butyric acid methyl ester
    —— 2-Methyl-3,4,6-triphenyl-benzophenon 101413-44-9 C32H24O
    2-Methyl-3,4,6-triphenyl-benzophenon
    —— 2-[(E)-2-(4-Nitro-phenyl)-vinyl]-2-phenyl-oxirane 143953-58-6 C16H13NO3
    2-[(E)-2-(4-Nitro-phenyl)-vinyl]-2-phenyl-oxirane
    —— 2'-(3-(4-(4-fluorophenyl)-2-methylpiperazin-1-yl)propyl)-7',8'-dihydro-3'H-spiro[cyclopropane-1,6'-quinazolin]-4'(5'H)-one 1536110-66-3 C24H31FN4O
    2'-(3-(4-(4-fluorophenyl)-2-methylpiperazin-1-yl)propyl)-7',8'-dihydro-3'H-spiro[cyclopropane-1,6'-quinazolin]-4'(5'H)-one
    —— 2,2'-((((3-nitrophenyl)methylene)bis(furan-5,2-diyl))bis(methylene))bis(isoindoline-1,3-dione) 1028745-13-2 C33H21N3O8
    2,2'-((((3-nitrophenyl)methylene)bis(furan-5,2-diyl))bis(methylene))bis(isoindoline-1,3-dione)
    —— (2R,4R)-1-allyloxycarbonyl-2-(2-hydroxymethyl-1-methylimidazol-5-yl)methyl-4-methanesulfonyloxypyrrolidine 164162-28-1 C15H23N3O6S
    (2R,4R)-1-allyloxycarbonyl-2-(2-hydroxymethyl-1-methylimidazol-5-yl)methyl-4-methanesulfonyloxypyrrolidine
    —— 2-Brom-2.4.5-triphenyl-furanon-(3) 56625-35-5 C22H15BrO2
    2-Brom-2.4.5-triphenyl-furanon-(3)
    —— 2,6-Di-(p-anisyl)-4-carboxy-4H-pyran 39246-83-8 C20H18O5
    2,6-Di-(p-anisyl)-4-carboxy-4H-pyran
    —— 2,5-Dimethyl-4-2'-oxy-4'-methylphenylazoimidazol 30837-41-3 C12H14N4O
    2,5-Dimethyl-4-2'-oxy-4'-methylphenylazoimidazol
    —— 2,4-dimethyl-3-pentylbromide 98429-68-6 C7H15Br
    2,4-dimethyl-3-pentylbromide
    —— 2,2'-(pyridine-2,6-diyl)bis(N-(3-(pyrrolidin-1-yl)propyl)-1H-indole-5-carboxamide) 1362691-45-9 C37H43N7O2
    2,2'-(pyridine-2,6-diyl)bis(N-(3-(pyrrolidin-1-yl)propyl)-1H-indole-5-carboxamide)
    —— 2-(Dimethylamino)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl acetate--iodomethane (1/1) 33124-27-5 C15H28INO2
    2-(Dimethylamino)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl acetate--iodomethane (1/1)
    —— 2-Hydroxy-7-methyl-5-ethylpyrazolo<1,5-a>pyrimidin 92767-22-1 C9H11N3O
    2-Hydroxy-7-methyl-5-ethylpyrazolo<1,5-a>pyrimidin
    —— 2-(β-Dipropylamino-ethylamino)-Δ<sup>2</sup>-imidazolin 92902-37-9 C11H24N4
    2-(β-Dipropylamino-ethylamino)-Δ<sup>2</sup>-imidazolin
    —— 2-<4-Phenylaminosulfonyl-indenyliden>-5'-phenylamino-sulfonyl-naphtho<1'.2'>-1,3-dioxol 124180-99-0 C32H22N2O6S2
    2-<4-Phenylaminosulfonyl-indenyliden>-5'-phenylamino-sulfonyl-naphtho<1'.2'>-1,3-dioxol
    —— 2-Methoxy-apiolsaeure-<4-chlorid-anilid> 109697-61-2 C17H16ClNO6
    2-Methoxy-apiolsaeure-<4-chlorid-anilid>
    —— 2,5-Bis-<2-ethoxycarbonyl-ethyl>-cyclopentanol 93989-19-6 C15H26O5
    2,5-Bis-<2-ethoxycarbonyl-ethyl>-cyclopentanol
    —— 2-Tetraacetylglucosylseleno-3,5-dinitro-pyridin 107038-92-6 C19H21N3O13Se
    2-Tetraacetylglucosylseleno-3,5-dinitro-pyridin
    —— 2-Phenyl-2-p-toluidino-acetaldehyd-diaethylacetal 'N-p-methylphenyl-α-phenylaminoacetal diethylique' 96767-97-4 C19H25NO2
    2-Phenyl-2-p-toluidino-acetaldehyd-diaethylacetal 'N-p-methylphenyl-α-phenylaminoacetal diethylique'
    —— 2-Methyl-2-propyl-3-<6-methoxy-naphthyl-(2)>-pentansaeure-nitril 94911-09-8 C20H25NO
    2-Methyl-2-propyl-3-<6-methoxy-naphthyl-(2)>-pentansaeure-nitril
    —— 2,4,6-tris-(4-chloro-phenyl)-1<sup>4</sup><i>H</i>,3<sup>4</sup><i>H</i>,5<sup>4</sup><i>H</i>-1(1,4),3,5(4,1)-tripyridina-cyclohexaphane-1<sup>3</sup>,3<sup>3</sup>,5<sup>3</sup>-tricarboxylic acid triamide 106141-62-2 C39H33Cl3N6O3
    2,4,6-tris-(4-chloro-phenyl)-1<sup>4</sup><i>H</i>,3<sup>4</sup><i>H</i>,5<sup>4</sup><i>H</i>-1(1,4),3,5(4,1)-tripyridina-cyclohexaphane-1<sup>3</sup>,3<sup>3</sup>,5<sup>3</sup>-tricarboxylic acid triamide
    —— 2'-O-Tetrahydropyranyl-(2)-uridylyl-(3'-5')-2'-O-tetrahydropyranyl-(2)-adenylyl-(3'-5')-2',3'-O-methoxy-methylen-uridin 19342-81-5 C40H53N9O23P2
    2'-O-Tetrahydropyranyl-(2)-uridylyl-(3'-5')-2'-O-tetrahydropyranyl-(2)-adenylyl-(3'-5')-2',3'-O-methoxy-methylen-uridin
    —— 2-(4-chloro-benzylamino)-5-(4-methoxy-benzylidene)-thiazol-4-one 109810-51-7 C18H15ClN2O2S
    2-(4-chloro-benzylamino)-5-(4-methoxy-benzylidene)-thiazol-4-one
    —— <2,3-Dichlor-thenyliden-5>-benzoylessigsaeureethylester 92854-42-7 C16H12Cl2O3S
    <2,3-Dichlor-thenyliden-5>-benzoylessigsaeureethylester
    —— 2-(phenylthiomethyl)piperidine 151666-26-1 C12H17NS
    2-(phenylthiomethyl)piperidine
    —— 2-Methyl-N-(2-oxo-2-(2-(2-(trifluoromethyl)benzylidene)hydrazino)ethyl)benzamide 769143-51-3 C18H16F3N3O2
    2-Methyl-N-(2-oxo-2-(2-(2-(trifluoromethyl)benzylidene)hydrazino)ethyl)benzamide
    —— 2-benzenesulfonyl-3-phenyl-oxaziridine 113548-13-3 C13H11NO3S
    2-benzenesulfonyl-3-phenyl-oxaziridine
    —— 2-para-methoxybenzyl-5-methylsulfoxidebenzaldehyde 632626-00-7 C16H16O5S
    2-para-methoxybenzyl-5-methylsulfoxidebenzaldehyde
    —— 21-cyclopentylthio-6α,9α-difluoro-11β-hydroxy-16α,17α-isopropylidenedioxy-1,4-pregnadiene-3,20-dione 125380-44-1 C29H38F2O5S
    21-cyclopentylthio-6α,9α-difluoro-11β-hydroxy-16α,17α-isopropylidenedioxy-1,4-pregnadiene-3,20-dione
    —— 2',3'-O-di-tert-butyldimethylsilyl-4-N-(4,4'-dimethoxytrityl)cytidine 5'-[ethyl N-(N-trityl-L-prolyl)phosphoroamidate] 778510-94-4 C68H86N5O10PSi2
    2',3'-O-di-tert-butyldimethylsilyl-4-N-(4,4'-dimethoxytrityl)cytidine 5'-[ethyl N-(N-trityl-L-prolyl)phosphoroamidate]
    —— 21-acetoxy-3α-hydroxy-5α-pregn-9(11)-en-20-one 126296-20-6 C23H34O4
    21-acetoxy-3α-hydroxy-5α-pregn-9(11)-en-20-one
    —— (2R,4aR,6S,7R,8S,8aS)-6-(allyloxy)-2-phenyl-7-((triisopropylsilyl)oxy)hexahydropyrano[3,2-d][1,3]dioxin-8-ol 1040867-12-6 C25H40O6Si
    (2R,4aR,6S,7R,8S,8aS)-6-(allyloxy)-2-phenyl-7-((triisopropylsilyl)oxy)hexahydropyrano[3,2-d][1,3]dioxin-8-ol
    —— 2,3,4,6-Tetra-O-acetyl-1-O-nitro-β-D-glucopyranose 10300-84-2 C14H19NO12
    2,3,4,6-Tetra-O-acetyl-1-O-nitro-β-D-glucopyranose
    —— 2-Hydroxy-2.2-diethoxycarbonyl-propionaldehyd 93029-78-8 C9H14O6
    2-Hydroxy-2.2-diethoxycarbonyl-propionaldehyd
    —— (2E,4Z,6E,8E)-9-(6,6-Dimethyl-2-trifluoromethyl-cyclohex-1-enyl)-3,7-dimethyl-nona-2,4,6,8-tetraenal 111819-83-1 C20H25F3O
    (2E,4Z,6E,8E)-9-(6,6-Dimethyl-2-trifluoromethyl-cyclohex-1-enyl)-3,7-dimethyl-nona-2,4,6,8-tetraenal
    —— 2-(4-methoxyphenyl)-7-nitroindole 1253396-07-4 C15H12N2O3
    2-(4-methoxyphenyl)-7-nitroindole
    —— 2-[4-(4-methylphenyl)-semicarbazono]indan-1,3-dione 153512-92-6 C17H13N3O3
    2-[4-(4-methylphenyl)-semicarbazono]indan-1,3-dione
    —— 2-chloro-N-{3-[2,2,2-trifluoro-1-(2-phenylthiazol-5-yl)-ethoxy]quinoxalin-2-yl}benzenesulfonamide 1226503-95-2 C25H16ClF3N4O3S2
    2-chloro-N-{3-[2,2,2-trifluoro-1-(2-phenylthiazol-5-yl)-ethoxy]quinoxalin-2-yl}benzenesulfonamide
    —— (2R,3S,5R)-5-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-2-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-3-yl (((2R,3S,5R)-5-(6-benzamido-9H-purin-9-yl)-3-hydroxytetrahydrofuran-2-yl)methyl) (3-oxobutan-2-yl) phosphate 87471-41-8 C57H55N8O13P
    (2R,3S,5R)-5-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-2-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-3-yl (((2R,3S,5R)-5-(6-benzamido-9H-purin-9-yl)-3-hydroxytetrahydrofuran-2-yl)methyl) (3-oxobutan-2-yl) phosphate
    —— 2-[1,2-difluoro-3-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-propenyl]-benzothiazole 30415-56-6 C21H18F2N2S
    2-[1,2-difluoro-3-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-propenyl]-benzothiazole
    —— 2-(2-bromophenyl)-1-(5-methyl-2-nitrophenyl)benzimidazole 1449011-36-2 C20H14BrN3O2
    2-(2-bromophenyl)-1-(5-methyl-2-nitrophenyl)benzimidazole
    —— 2-(4-carbamoylphenyl)-5-oxo-N-(2-pyrrolidin-1-ylethyl)-[1,3]benzothiazolo[3,2-a][1,8]naphthyridine-6-carboxamide 1138552-75-6 C28H25N5O3S
    2-(4-carbamoylphenyl)-5-oxo-N-(2-pyrrolidin-1-ylethyl)-[1,3]benzothiazolo[3,2-a][1,8]naphthyridine-6-carboxamide