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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,2-(N-Methyl-2-aza-1,3-dioxotetramethylen)-adamantan 25694-21-7 C14H19NO2
    2,2-(N-Methyl-2-aza-1,3-dioxotetramethylen)-adamantan
    —— 2-(5-Methoxy-1H-pyrrol-2-yl)-3-methyl-butyric acid 5-prop-2-ynyl-furan-2-ylmethyl ester 61429-21-8 C18H21NO4
    2-(5-Methoxy-1H-pyrrol-2-yl)-3-methyl-butyric acid 5-prop-2-ynyl-furan-2-ylmethyl ester
    —— 2-oxo-1-phenyl-1,2-dihydro-imidazo[4,5-<i>c</i>]pyridine-3-carboxylic acid 4-chloro-anilide 50427-29-7 C19H13ClN4O2
    2-oxo-1-phenyl-1,2-dihydro-imidazo[4,5-<i>c</i>]pyridine-3-carboxylic acid 4-chloro-anilide
    —— 2,4-Dimethyl-5,5-diphenylpent-4-enolmethylether 42404-29-5 C20H24O
    2,4-Dimethyl-5,5-diphenylpent-4-enolmethylether
    —— 2-[4-[3-(4-fluorophenyl)-3-oxoprop-1-enyl]phenoxy]acetic acid 1373337-18-8 C17H13FO4
    2-[4-[3-(4-fluorophenyl)-3-oxoprop-1-enyl]phenoxy]acetic acid
    —— 2-Propyl-3,4,5-trichlorisothiazolium-trifluormethansulfonat 71132-14-4 CF3O3S*C6H7Cl3NS
    2-Propyl-3,4,5-trichlorisothiazolium-trifluormethansulfonat
    —— 2,5-Dichlor-3,6-<N,N'-diacetyl(dodecamethylendiamino)>hydrochinon-dimethylether 88734-44-5 C24H36Cl2N2O4
    2,5-Dichlor-3,6-<N,N'-diacetyl(dodecamethylendiamino)>hydrochinon-dimethylether
    —— (2S,4R)-N-((S)-1-(cyclopropylamino)-1,2-dioxohexan-3-yl)-1-((S)-3,3-dimethyl-2-(3-neopentylureido)butanoyl)-4-(7-methoxy-2-(1H-pyrazol-1-yl)quinolin-4-yloxy)pyrrolidine-2-carboxamide 1175057-94-9 C39H54N8O7
    (2S,4R)-N-((S)-1-(cyclopropylamino)-1,2-dioxohexan-3-yl)-1-((S)-3,3-dimethyl-2-(3-neopentylureido)butanoyl)-4-(7-methoxy-2-(1H-pyrazol-1-yl)quinolin-4-yloxy)pyrrolidine-2-carboxamide
    —— 2,2,3-dimethyl-6-oxo-9-[(R)-3-(thiazol-2-ylamino)-pyrrolidin-1-yl]-2,3-dihydro-6H-1-oxa-3,3a-diaza-phenalene-5-carboxylic acid 1186299-52-4 C22H22FN5O6S
    2,2,3-dimethyl-6-oxo-9-[(R)-3-(thiazol-2-ylamino)-pyrrolidin-1-yl]-2,3-dihydro-6H-1-oxa-3,3a-diaza-phenalene-5-carboxylic acid
    —— 2,2,3-trimethyl-3-<1-(p-tolylsulphonyl)ethyl>oxiran 86925-79-3 C14H20O3S
    2,2,3-trimethyl-3-<1-(p-tolylsulphonyl)ethyl>oxiran
    —— 2-Nitroso-4,5-dimethyl-3,6-dihydro-2H-1,2-oxazin 3276-40-2 C6H10N2O2
    2-Nitroso-4,5-dimethyl-3,6-dihydro-2H-1,2-oxazin
    —— 2-Ethoxy-4-sulfanilylamino-6-p-chlorphenylthio-pyrimidin 910-84-9 C18H17ClN4O3S2
    2-Ethoxy-4-sulfanilylamino-6-p-chlorphenylthio-pyrimidin
    —— (2S)-N-[(1S)-1-cyano-2-[4-(2,5-dioxabicyclo[4.4.0]deca-7,9,11-trien-8-yl)phenyl]ethyl]piperidine-2-carboxamide trifluoroacetate 1161499-03-1 C2HF3O2*C23H25N3O3
    (2S)-N-[(1S)-1-cyano-2-[4-(2,5-dioxabicyclo[4.4.0]deca-7,9,11-trien-8-yl)phenyl]ethyl]piperidine-2-carboxamide trifluoroacetate
    —— 2,2-dibromo-1-(3-bromo-phenyl)-3-(4-iodo-phenyl)-aziridine 51766-01-9 C14H9Br3IN
    2,2-dibromo-1-(3-bromo-phenyl)-3-(4-iodo-phenyl)-aziridine
    —— 2,2-Dimethyl-3-(toluene-4-sulfonyloxy)-propionic acid 25255-55-4 C12H16O5S
    2,2-Dimethyl-3-(toluene-4-sulfonyloxy)-propionic acid
    —— 2-(benzo[d]thiazol-2-yl)-6-methylpyridine 1-oxide 56743-88-5 C13H10N2OS
    2-(benzo[d]thiazol-2-yl)-6-methylpyridine 1-oxide
    —— 2,2-dimethyl-5-oxo-5,6,7,8-tetrahydro-2H-chromene-6-carboxylic acid ethyl ester 885118-27-4 C14H18O4
    2,2-dimethyl-5-oxo-5,6,7,8-tetrahydro-2H-chromene-6-carboxylic acid ethyl ester
    —— (+/-)-2,4-dimethylhex-2-en-1-ol 68799-22-4 C8H16O
    (+/-)-2,4-dimethylhex-2-en-1-ol
    —— 2-phenyl-N-(quinolin-8-yl)acrylamide 1507347-50-3 C18H14N2O
    2-phenyl-N-(quinolin-8-yl)acrylamide
    —— 2-(4-amidinophenylaminomethyl)-1-methyl-5-[(3-(3-ethoxycarbonyl-n-propyl)-benzimidazol-2-on-1-yl)-methyl]-benzimidazole-hydrochloride 253431-12-8 C30H33N7O3*ClH
    2-(4-amidinophenylaminomethyl)-1-methyl-5-[(3-(3-ethoxycarbonyl-n-propyl)-benzimidazol-2-on-1-yl)-methyl]-benzimidazole-hydrochloride
    —— (2S,2a'S,3R,4'S,5S,6a'S,6b'S,8'R,8a'S,8b'R,9'S,11a'S,12a'S,12b'R)-3-hydroxy-5-(hydroxymethyl)-5,6a',8a',9'-tetramethylicosahydro-3H-spiro[furan-2,10'-naphtho[2',1':4,5]indeno[2,1-b]furan]-4',8'-diyl diacetate 155154-04-4 C31H48O8
    (2S,2a'S,3R,4'S,5S,6a'S,6b'S,8'R,8a'S,8b'R,9'S,11a'S,12a'S,12b'R)-3-hydroxy-5-(hydroxymethyl)-5,6a',8a',9'-tetramethylicosahydro-3H-spiro[furan-2,10'-naphtho[2',1':4,5]indeno[2,1-b]furan]-4',8'-diyl diacetate
    —— 2-Chloro-3-(2-chloro-ethanesulfonyl)-2-methyl-propionyl chloride 32766-16-8 C6H9Cl3O3S
    2-Chloro-3-(2-chloro-ethanesulfonyl)-2-methyl-propionyl chloride
    —— (2R,2R'')-benzyl 2-<N-(2'-N-acetyl-1'-α-O-<<2''-carbobenzoxy-2''-(pentyloxy)ethoxy>(benzyloxy)phosphoryl>-4',6'-di-O-acetylmuramyl-L-alanyl)amino>-4-cyanobutanoate 128753-69-5 C52H67N4O18P
    (2R,2R'')-benzyl 2-<N-(2'-N-acetyl-1'-α-O-<<2''-carbobenzoxy-2''-(pentyloxy)ethoxy>(benzyloxy)phosphoryl>-4',6'-di-O-acetylmuramyl-L-alanyl)amino>-4-cyanobutanoate
    —— 2,3,4,6-tetra-O-acetyl-1-S-4-fluorobenzohydroximoyl-1-thio-β-D-glucopyranose 1089209-13-1 C21H24FNO10S
    2,3,4,6-tetra-O-acetyl-1-S-4-fluorobenzohydroximoyl-1-thio-β-D-glucopyranose
    —— 2-[4-(5,7-difluorobenzothiazol-2-yl)methyl-7-methyl-3,4-dihydro-3-oxo-2H-1,4-benzoxazin-2-yl]acetic acid 158870-78-1 C19H14F2N2O4S
    2-[4-(5,7-difluorobenzothiazol-2-yl)methyl-7-methyl-3,4-dihydro-3-oxo-2H-1,4-benzoxazin-2-yl]acetic acid
    —— 2,5,6-Trichlor-4-<N-methyl-N-(3-carboxyphenyl)-amino>-pyrimidin 6372-19-6 C12H8Cl3N3O2
    2,5,6-Trichlor-4-<N-methyl-N-(3-carboxyphenyl)-amino>-pyrimidin
    —— 2,3-di-O-benzyl-α-D-glucopyranosyl-(1→5)-methyl [methyl 3-O-benzyl-4-O-(4-methoxybenzyl)-D-glycero-α-D-talo-oct-2-ulopyranosid]onate 1610692-89-1 C45H54O15
    2,3-di-O-benzyl-α-D-glucopyranosyl-(1→5)-methyl [methyl 3-O-benzyl-4-O-(4-methoxybenzyl)-D-glycero-α-D-talo-oct-2-ulopyranosid]onate
    —— (2S,4S)-4-Acetylsulfanyl-2-(2-dimethylcarbamoyl-ethylcarbamoyl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester 221659-27-4 C20H26N4O7S
    (2S,4S)-4-Acetylsulfanyl-2-(2-dimethylcarbamoyl-ethylcarbamoyl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester
    —— [(2S)-1-methoxy-1-oxopropan-2-yl] 2,4-dinitrobenzoate 1073536-02-3 C11H10N2O8
    [(2S)-1-methoxy-1-oxopropan-2-yl] 2,4-dinitrobenzoate
    —— 2,3,4,6-tetra-O-acetyl-1-{4-chloro-3-[1-(4-ethyloxyphenyl)ethyl]phenyl}-1-deoxy-β-D-glucopyranose 1318794-48-7 C30H35ClO10
    2,3,4,6-tetra-O-acetyl-1-{4-chloro-3-[1-(4-ethyloxyphenyl)ethyl]phenyl}-1-deoxy-β-D-glucopyranose
    —— 2,3-bis-trifluoromethyl-furo[3,2-<i>b</i>]quinoline 59321-21-0 C13H5F6NO
    2,3-bis-trifluoromethyl-furo[3,2-<i>b</i>]quinoline
    —— 2-Carbethoxy-5,8-dimethyl-selenolo<3,2-b><1>benzofuran 52969-37-6 C15H14O3Se
    2-Carbethoxy-5,8-dimethyl-selenolo<3,2-b><1>benzofuran
    —— 2',6'-diphenyl-[4,4']bithiopyranylidene-3,5-dione 50990-67-5 C22H16O2S2
    2',6'-diphenyl-[4,4']bithiopyranylidene-3,5-dione
    —— (2S,3S,4S,5R,6S)-5-Benzyloxy-3,4,6-trimethoxy-tetrahydro-pyran-2-carboxylic acid amide 51432-88-3 C16H23NO6
    (2S,3S,4S,5R,6S)-5-Benzyloxy-3,4,6-trimethoxy-tetrahydro-pyran-2-carboxylic acid amide
    —— 2-phenyl-benzo[4,10]anthra[1,9,8-<i>cdef</i>][1,2,4]triazolo[1,2-<i>a</i>]cinnoline-1,3-dione 52712-90-0 C28H15N3O2
    2-phenyl-benzo[4,10]anthra[1,9,8-<i>cdef</i>][1,2,4]triazolo[1,2-<i>a</i>]cinnoline-1,3-dione
    —— 2,2,6,7-Tetrachloro-7-methyl-octa-4,5-dienenitrile 53227-68-2 C9H9Cl4N
    2,2,6,7-Tetrachloro-7-methyl-octa-4,5-dienenitrile
    —— 2-((Z)-But-2-enyl)-4-methoxy-3-methyl-cyclopent-2-enone 50414-62-5 C11H16O2
    2-((Z)-But-2-enyl)-4-methoxy-3-methyl-cyclopent-2-enone
    —— 2,3,4,5-Tetrabrom-N-hydroxy-8-methylcarbazol 54989-29-6 C13H7Br4NO
    2,3,4,5-Tetrabrom-N-hydroxy-8-methylcarbazol
    —— 2-Benzylthio-3-(4'-chlorobenzyliden)-1-pyrrolin 53031-95-1 C18H16ClNS
    2-Benzylthio-3-(4'-chlorobenzyliden)-1-pyrrolin
    —— (2R,3S,3aR,6R,9aS)-2-Acetyl-3a-hydroxy-3-isopropyl-6,9a-dimethyl-dodecahydro-cyclopenta[a]naphthalene-6-carboxylic acid methyl ester 54003-81-5 C22H36O4
    (2R,3S,3aR,6R,9aS)-2-Acetyl-3a-hydroxy-3-isopropyl-6,9a-dimethyl-dodecahydro-cyclopenta[a]naphthalene-6-carboxylic acid methyl ester
    —— 2<<1>Naphthyl>-3-oxo-4-phenyl-5-<phenylcarbamoyl-imino>-2,3,4,5-tetrahydro-<1.2.4>triazin-6-carbonitril 66707-21-9 C27H18N6O2
    2<<1>Naphthyl>-3-oxo-4-phenyl-5-<phenylcarbamoyl-imino>-2,3,4,5-tetrahydro-<1.2.4>triazin-6-carbonitril
    —— (2R,4R,5R,6R)-4-Acetoxy-5-acetylamino-2-(2-benzyloxy-ethoxy)-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid 54399-86-9 C28H37NO14
    (2R,4R,5R,6R)-4-Acetoxy-5-acetylamino-2-(2-benzyloxy-ethoxy)-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid
    —— 2,2'-diphenyl-1,2,1',2'-tetrahydro-5,5'-diselanediyldimethyl-bis-[1,2,4]triazol-3-one 43214-40-0 C18H16N6O2Se2
    2,2'-diphenyl-1,2,1',2'-tetrahydro-5,5'-diselanediyldimethyl-bis-[1,2,4]triazol-3-one
    —— 2-Phenoxyacetyl-indol 52098-03-0 C16H13NO2
    2-Phenoxyacetyl-indol
    —— 2-(2-Diethylcarbamoyl-2-methyl-3-oxo-indan-1-ylidene)-malonic acid diethyl ester 40750-47-8 C22H27NO6
    2-(2-Diethylcarbamoyl-2-methyl-3-oxo-indan-1-ylidene)-malonic acid diethyl ester
    —— (2-Pyrrolidin-1-yl-propyl)-phosphoramidic acid diethyl ester 50997-83-6 C11H25N2O3P
    (2-Pyrrolidin-1-yl-propyl)-phosphoramidic acid diethyl ester
    —— (2-Ethoxy-3-ethyl-2,4-dioxo-5-phenyl-2λ<sup>5</sup>-[1,3,2]oxazaphospholidin-5-yl)-phosphonic acid diethyl ester 55004-36-9 C16H25NO7P2
    (2-Ethoxy-3-ethyl-2,4-dioxo-5-phenyl-2λ<sup>5</sup>-[1,3,2]oxazaphospholidin-5-yl)-phosphonic acid diethyl ester
    —— 2-Allyl-1-hydroxy-4,5-dimethoxy-anthraquinone 50457-10-8 C19H16O5
    2-Allyl-1-hydroxy-4,5-dimethoxy-anthraquinone
    —— 2-(2,5-Dichloro-phenyl)-6-(5-methyl-[1,2,4]oxadiazol-3-yl)-2H-[1,2,4]triazine-3,5-dione 54994-82-0 C12H7Cl2N5O3
    2-(2,5-Dichloro-phenyl)-6-(5-methyl-[1,2,4]oxadiazol-3-yl)-2H-[1,2,4]triazine-3,5-dione
    —— 2-Ethoxycarbonyl-4-formyl-5-methoxyindol 51086-21-6 C13H13NO4
    2-Ethoxycarbonyl-4-formyl-5-methoxyindol