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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Piperidinomethyl-pyrimidin 54198-90-2 C10H15N3
    2-Piperidinomethyl-pyrimidin
    —— 2-Pyridinamine, N-(1-methylpropyl)-5-[1-(2-methylpropyl)-2-piperidinyl]- 1352529-50-0 C18H31N3
    2-Pyridinamine, N-(1-methylpropyl)-5-[1-(2-methylpropyl)-2-piperidinyl]-
    —— 2-Methyl-9H-pyrazolo(1.5-a)indol-9-on 37029-45-1 C11H8N2O
    2-Methyl-9H-pyrazolo(1.5-a)indol-9-on
    —— 2-Phenyl-3-<thienyl-(2)>-3-hydroxy-valeriansaeure 51328-51-9 C15H16O3S
    2-Phenyl-3-<thienyl-(2)>-3-hydroxy-valeriansaeure
    —— 2-Trimethylsilanyl-1-(2-trimethylsilanyl-ethoxymethoxy)-naphthalene 130333-06-1 C19H30O2Si2
    2-Trimethylsilanyl-1-(2-trimethylsilanyl-ethoxymethoxy)-naphthalene
    —— [(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] [(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methyl hydrogen phosphate 119372-90-6 C57H71N22O40P5
    [(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] [(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methyl hydrogen phosphate
    —— 2-<2-(2-Chlorbenzoyl)-phenyl>-2-imidazolin 23864-82-6 C16H13ClN2O
    2-<2-(2-Chlorbenzoyl)-phenyl>-2-imidazolin
    —— 2-fluoro-1,1-di-p-tolylethene 26551-47-3 C16H15F
    2-fluoro-1,1-di-p-tolylethene
    —— (2R,4aR,5S,6R,7S,8aS)-7-(tert-butyldimethylsilyloxy)-5,6-epoxy-4a-hydroxy-2-methyl-3,4,4a,5,6,7,8,8a-octahydrobenzo-1(2H)-pyran 1195113-95-1 C16H30O4Si
    (2R,4aR,5S,6R,7S,8aS)-7-(tert-butyldimethylsilyloxy)-5,6-epoxy-4a-hydroxy-2-methyl-3,4,4a,5,6,7,8,8a-octahydrobenzo-1(2H)-pyran
    —— 2-acetylaminopropylcyclohexane 100690-17-3 C11H21NO
    2-acetylaminopropylcyclohexane
    —— ((2R,4S,5R)-5-Benzyloxy-2-phenyl-[1,3]dioxan-4-ylmethoxy)-tert-butyl-diphenyl-silane 183888-92-8 C34H38O4Si
    ((2R,4S,5R)-5-Benzyloxy-2-phenyl-[1,3]dioxan-4-ylmethoxy)-tert-butyl-diphenyl-silane
    —— 2'-O-tert-butyldimethylsilyl-7-O-triethylsilyl-2-debenzoyl-2-(3-azidobenzoyl)-4-deacetyl-4-(methoxycarbonyl)-paclitaxel 230283-83-7 C59H78N4O15Si2
    2'-O-tert-butyldimethylsilyl-7-O-triethylsilyl-2-debenzoyl-2-(3-azidobenzoyl)-4-deacetyl-4-(methoxycarbonyl)-paclitaxel
    —— (22Z)-3,26-di(t-butyldimethylsilyloxy)-27-norcholesta-5,22-dien-20-ol 152630-30-3 C38H70O3Si2
    (22Z)-3,26-di(t-butyldimethylsilyloxy)-27-norcholesta-5,22-dien-20-ol
    —— (2S,3R)-2-(1-Ethoxy-ethoxy)-3,4-dihydroxy-butyric acid methyl ester 93499-94-6 C9H18O6
    (2S,3R)-2-(1-Ethoxy-ethoxy)-3,4-dihydroxy-butyric acid methyl ester
    —— 2β,3α,15β-Trihydroxy-7β,8β,14α,(16)-diepoxy-ent-pimarane 128723-01-3 C20H32O5
    2β,3α,15β-Trihydroxy-7β,8β,14α,(16)-diepoxy-ent-pimarane
    —— 2-[4-(4,4-Dimethyl-4,5-dihydro-oxazol-2-yl)-3-phenyl-isoxazol-5-yl]-1-phenyl-ethanone 107552-29-4 C22H20N2O3
    2-[4-(4,4-Dimethyl-4,5-dihydro-oxazol-2-yl)-3-phenyl-isoxazol-5-yl]-1-phenyl-ethanone
    —— ((2S,4S,6S)-2,6-Diisopropyl-5,5-dimethyl-[1,3]dioxan-4-yloxy)-acetic acid 94225-22-6 C14H26O5
    ((2S,4S,6S)-2,6-Diisopropyl-5,5-dimethyl-[1,3]dioxan-4-yloxy)-acetic acid
    —— 2-amino-2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydronaphthalene hydrochloride 92545-02-3 C13H19NO2*ClH
    2-amino-2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydronaphthalene hydrochloride
    —— 2-(cyclohexanecarbonyl-amino)-3-(2-methoxy-phenyl)-acrylic acid 705295-16-5 C17H21NO4
    2-(cyclohexanecarbonyl-amino)-3-(2-methoxy-phenyl)-acrylic acid
    —— 2-allylamino-6,7-dimethyl-5H-pyrano[6,5-e]benzoxazol-5-one 1592003-50-3 C15H14N2O3
    2-allylamino-6,7-dimethyl-5H-pyrano[6,5-e]benzoxazol-5-one
    —— 2,2-diallyl-1,3-diphenyl-1,3-propanedione 53316-02-2 C21H20O2
    2,2-diallyl-1,3-diphenyl-1,3-propanedione
    —— 2-chloro-3-({[2-(chloromethyl)-2-methyl-1,3-dioxolan-4-yl]methoxy}methyl)-4-(methylsulfonyl)benzoic acid 3-oxocyclohex-1-en-1-yl ester 871109-88-5 C21H24Cl2O8S
    2-chloro-3-({[2-(chloromethyl)-2-methyl-1,3-dioxolan-4-yl]methoxy}methyl)-4-(methylsulfonyl)benzoic acid 3-oxocyclohex-1-en-1-yl ester
    —— (2-nitrophenyl)(thiophen-3-yl)methanol 1621071-08-6 C11H9NO3S
    (2-nitrophenyl)(thiophen-3-yl)methanol
    —— 2-siloxy-1,3-butadiene 98991-79-8 C6H12OSi
    2-siloxy-1,3-butadiene
    —— 2-(4-iodo-3-pivaloylamino)pyridyltriflate 142643-51-4 C11H12F3IN2O4S
    2-(4-iodo-3-pivaloylamino)pyridyltriflate
    —— 2-fluoro-4-[(1,3-thiazol-2-ylamino)sulfonyl]-N-[4-fluoro-3-(trifluoromethyl)benzyl]benzamide 1063731-34-9 C18H12F5N3O3S2
    2-fluoro-4-[(1,3-thiazol-2-ylamino)sulfonyl]-N-[4-fluoro-3-(trifluoromethyl)benzyl]benzamide
    —— 2-(4-Trifluoromethylphenyl)-4-(4-methylpiperazino)-6,7-dimethoxyquinazoline 228118-94-3 C22H23F3N4O2
    2-(4-Trifluoromethylphenyl)-4-(4-methylpiperazino)-6,7-dimethoxyquinazoline
    —— 2-Methyl-3-[5,5-bis(chloromethyl)-4,5-dihydroisoxazol-3-yl]-4-methylsulfonylbenzoyl Chloride 342795-88-4 C14H14Cl3NO4S
    2-Methyl-3-[5,5-bis(chloromethyl)-4,5-dihydroisoxazol-3-yl]-4-methylsulfonylbenzoyl Chloride
    —— [2-((E)-3-{1-[4'-(methanesulfonylamino-methyl)-biphenyl-4-sulfonyl]-1H-pyrrol-3-yl}-allanoylamino)-phenyl]-carbamic acid tert-butyl ester 910462-08-7 C32H34N4O7S2
    [2-((E)-3-{1-[4'-(methanesulfonylamino-methyl)-biphenyl-4-sulfonyl]-1H-pyrrol-3-yl}-allanoylamino)-phenyl]-carbamic acid tert-butyl ester
    —— 2-[6-chloro-2-(3,4-dimethoxy-phenylsulfanylmethyl)-5-fluoro-benzoimidazol-1-yl]-2,N-dicyclohexyl-acetamide 1128219-12-4 C30H37ClFN3O3S
    2-[6-chloro-2-(3,4-dimethoxy-phenylsulfanylmethyl)-5-fluoro-benzoimidazol-1-yl]-2,N-dicyclohexyl-acetamide
    —— (2,5-dimethyl-phenyl)-carbamonitrile 10533-09-2 C9H10N2
    (2,5-dimethyl-phenyl)-carbamonitrile
    —— 2,2'-dipropyl-2<i>H</i>,2'<i>H</i>-[3,3']bi[dibenz[<i>cd,g</i>]indazolyl]-6,6'-dione 83766-70-5 C34H26N4O2
    2,2'-dipropyl-2<i>H</i>,2'<i>H</i>-[3,3']bi[dibenz[<i>cd,g</i>]indazolyl]-6,6'-dione
    —— 2'-azidoethyl 4,6-O-benzylidene-β-D-glucopyranoside 499126-36-2 C15H19N3O6
    2'-azidoethyl 4,6-O-benzylidene-β-D-glucopyranoside
    —— 2-oxo-2-phenyl-N'-p-tolyl-acetohydrazonoyl bromide 59255-03-7 C15H13BrN2O
    2-oxo-2-phenyl-N'-p-tolyl-acetohydrazonoyl bromide
    —— 2-(1H-indol-3-ylmethyl)-6-methoxy-1H-indole 742076-84-2 C18H16N2O
    2-(1H-indol-3-ylmethyl)-6-methoxy-1H-indole
    —— 2-(4-Propylcyclohexylidene)propanedinitrile 1055328-71-6 C12H16N2
    2-(4-Propylcyclohexylidene)propanedinitrile
    —— 2,4-Dihydroxy-7-methyl-quinoline-3-carboxylic acid m-tolylamide 71886-11-8 C18H16N2O3
    2,4-Dihydroxy-7-methyl-quinoline-3-carboxylic acid m-tolylamide
    —— 2-[(E)-3-(2,4-Dimethoxy-phenyl)-pent-2-enyl]-2-methyl-cyclopentane-1,3-dione 56294-25-8 C19H24O4
    2-[(E)-3-(2,4-Dimethoxy-phenyl)-pent-2-enyl]-2-methyl-cyclopentane-1,3-dione
    —— 2-nitrobenzyl 2-O-tert-butyldimethylsilyl-5-O-dimethoxytrityl-β-D-ribofuranoside 851597-69-8 C39H47NO9Si
    2-nitrobenzyl 2-O-tert-butyldimethylsilyl-5-O-dimethoxytrityl-β-D-ribofuranoside
    —— 2,2-dimethyl-4-[2]naphthyl-butyric acid 858437-31-7 C16H18O2
    2,2-dimethyl-4-[2]naphthyl-butyric acid
    —— 2-exo-(cyanomethyl)-7-oxabicyclo<2.2.1>hept-5-en-2-endo-ol 122383-18-0 C8H9NO2
    2-exo-(cyanomethyl)-7-oxabicyclo<2.2.1>hept-5-en-2-endo-ol
    —— 2,2-Diethyl-4,5-dimethyl-2H-imidazole 101935-58-4 C9H16N2
    2,2-Diethyl-4,5-dimethyl-2H-imidazole
    —— 2,6-dimethyl-4-propyl-[1,2,4,6]thiatriazinane 1,1-dioxide 66285-78-7 C7H17N3O2S
    2,6-dimethyl-4-propyl-[1,2,4,6]thiatriazinane 1,1-dioxide
    —— 2,3,7,8-tetramethoxy-10,11-dihydro-dibenzo[<i>a,d</i>]cyclohepten-5-one 55087-27-9 C19H20O5
    2,3,7,8-tetramethoxy-10,11-dihydro-dibenzo[<i>a,d</i>]cyclohepten-5-one
    —— 2-[4-[2-chloro-4-(trifluoromethyl)phenoxy]phenoxy]propanoic acid 58594-85-7 C16H12ClF3O4
    2-[4-[2-chloro-4-(trifluoromethyl)phenoxy]phenoxy]propanoic acid
    —— 2-(2-phenethylquinolin-3-yl)isoindoline-1,3-dione 1620395-21-2 C25H18N2O2
    2-(2-phenethylquinolin-3-yl)isoindoline-1,3-dione
    —— 2-[(2-hydroxyphenyl)amino]phenylacetic acid 320777-27-3 C14H13NO3
    2-[(2-hydroxyphenyl)amino]phenylacetic acid
    —— 2-ethyl-3-[1-(2-methoxyethyl)-1H-pyrazol-4-yl]-8-(4-pyridinyl)-imidazo[1,2-b]pyridazine 1298031-68-1 C19H20N6O
    2-ethyl-3-[1-(2-methoxyethyl)-1H-pyrazol-4-yl]-8-(4-pyridinyl)-imidazo[1,2-b]pyridazine
    —— 2-Phenyl-3-(1'-methyl-2'-phenyl-3'-indolyl)-imino-3H-indol 40487-65-8 C29H21N3
    2-Phenyl-3-(1'-methyl-2'-phenyl-3'-indolyl)-imino-3H-indol
    —— 2-methyl-5-(4-trifluoromethyl-phenyl)-thiazole-4-carboxylic acid {2-[(benzofuran-4-carbonyl)-amino]-ethyl}-cyclopropyl-amide 1117695-34-7 C26H22F3N3O3S
    2-methyl-5-(4-trifluoromethyl-phenyl)-thiazole-4-carboxylic acid {2-[(benzofuran-4-carbonyl)-amino]-ethyl}-cyclopropyl-amide