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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-iodo-1,3-dimethyl-5-phenoxybenzene 1227681-30-2 C14H13IO
    2-iodo-1,3-dimethyl-5-phenoxybenzene
    —— 2,4,4,5,5-Pentamethyl-2-(naphthalen-2-yloxy)-2λ5-[1,3,2]dioxaphospholane 75729-46-3 C17H23O3P
    2,4,4,5,5-Pentamethyl-2-(naphthalen-2-yloxy)-2λ5-[1,3,2]dioxaphospholane
    —— (2R,3S)-5-t-butyldimethylsilyloxy-2,3-epoxypentan-1-ol 86462-76-2 C11H24O3Si
    (2R,3S)-5-t-butyldimethylsilyloxy-2,3-epoxypentan-1-ol
    —— 2-Acetyl-3-ethoxy-2-methyl-pent-4-ynoic acid methyl ester 14499-57-1 C11H16O4
    2-Acetyl-3-ethoxy-2-methyl-pent-4-ynoic acid methyl ester
    —— 2-[(6S,7S)-6,10-dimethylbicyclo[5.3.0]deca-1(10),3-dien-3-yl]propan-2-ol 1261139-14-3 C15H24O
    2-[(6S,7S)-6,10-dimethylbicyclo[5.3.0]deca-1(10),3-dien-3-yl]propan-2-ol
    —— (2S,4R)-4-[[[1-benzyloxycarbonylpyrrolidine-2-carbonyl]amino]piperidin-1-yl]acetic acid ethyl ester 309912-82-1 C22H29N3O6
    (2S,4R)-4-[[[1-benzyloxycarbonylpyrrolidine-2-carbonyl]amino]piperidin-1-yl]acetic acid ethyl ester
    —— 2-({bis[(phenylmethyl)oxy]phosphoryl}oxy)ethyl {[(4aS,13aR)-8-({[(2,4-difluorophenyl)methyl]amino}carbonyl)-9,11-dioxo-2,3,4a,5,9,11,13,13a-octahydro-1H-pyrido[1,2-a]pyrrolo[1',2':3,4]imidazo[1,2-d]pyrazin-10-yl]oxy}methyl carbonate 1206784-63-5 C39H39F2N4O11P
    2-({bis[(phenylmethyl)oxy]phosphoryl}oxy)ethyl {[(4aS,13aR)-8-({[(2,4-difluorophenyl)methyl]amino}carbonyl)-9,11-dioxo-2,3,4a,5,9,11,13,13a-octahydro-1H-pyrido[1,2-a]pyrrolo[1',2':3,4]imidazo[1,2-d]pyrazin-10-yl]oxy}methyl carbonate
    —— 2-Azaestra-1(10),4-dien-3,17-dion 57178-20-8 C17H21NO2
    2-Azaestra-1(10),4-dien-3,17-dion
    —— 2-[[(4-methoxyphenyl)methyl]thio]-4-methyl-6-(2,3-dichlorophenyl)-1,5(6H)-pyrimidinedicarboxylic acid, bis (1-methylethyl) ester 109211-51-0 C27H30Cl2N2O5S
    2-[[(4-methoxyphenyl)methyl]thio]-4-methyl-6-(2,3-dichlorophenyl)-1,5(6H)-pyrimidinedicarboxylic acid, bis (1-methylethyl) ester
    —— 2-((3-((1-(furan-2-ylmethylene)-1H-inden-3-yl)methylene)-2,3-dihydro-1H-inden-1-ylidene)methyl)furan 1431640-32-2 C29H20O2
    2-((3-((1-(furan-2-ylmethylene)-1H-inden-3-yl)methylene)-2,3-dihydro-1H-inden-1-ylidene)methyl)furan
    —— 2-butyl-1,5-diphenyl-1,5-pentanedione 130319-46-9 C21H24O2
    2-butyl-1,5-diphenyl-1,5-pentanedione
    —— 2-Dichlormethylen-cyclooctanon 13166-18-2 C9H12Cl2O
    2-Dichlormethylen-cyclooctanon
    —— 2-propyl-benzo[4,5]imidazo[2,1-<i>b</i>][1,3,4]thiadiazol-6-ol 71413-75-7 C11H11N3OS
    2-propyl-benzo[4,5]imidazo[2,1-<i>b</i>][1,3,4]thiadiazol-6-ol
    —— 2-(thiophene-2-sulfonyl)-furan 21985-51-3 C8H6O3S2
    2-(thiophene-2-sulfonyl)-furan
    —— (2-chloro-naphtho[1,2-<i>d</i>]imidazol-3-yl)-acetic acid 36294-96-9 C13H9ClN2O2
    (2-chloro-naphtho[1,2-<i>d</i>]imidazol-3-yl)-acetic acid
    —— 2,4,6,8-tetraethyl-2,4,6,8-tetrabutyl-cyclotetrasiloxane 18867-08-8 C24H56O4Si4
    2,4,6,8-tetraethyl-2,4,6,8-tetrabutyl-cyclotetrasiloxane
    —— 2',4'-dichloro-6'-hydroxy-propiophenone 22362-84-1 C9H8Cl2O2
    2',4'-dichloro-6'-hydroxy-propiophenone
    —— 2-{3,5-Difluoro-4-(1-methyl-3-phenyl-propylamino)-6-[3-(5-trifluoromethyl-[1,2,4]oxadiazol-3-yl)-phenoxy]-pyridin-2-yloxy}-5-dimethylamino-benzoic acid methyl ester 867218-27-7 C34H30F5N5O5
    2-{3,5-Difluoro-4-(1-methyl-3-phenyl-propylamino)-6-[3-(5-trifluoromethyl-[1,2,4]oxadiazol-3-yl)-phenoxy]-pyridin-2-yloxy}-5-dimethylamino-benzoic acid methyl ester
    —— 2-amino-6-(1H-benzo[d]imidazol-2-yl)-4-(4-(dimethylamino)phenyl)nicotinonitrile 1285695-42-2 C21H18N6
    2-amino-6-(1H-benzo[d]imidazol-2-yl)-4-(4-(dimethylamino)phenyl)nicotinonitrile
    —— 2',2',8-trichloro-3'-methylspiro[benzo[7]annulene-5,1'-cyclopropane] 29042-95-3 C14H11Cl3
    2',2',8-trichloro-3'-methylspiro[benzo[7]annulene-5,1'-cyclopropane]
    —— (2S)-2-[[(2R,6S)-2,6-dimethylpiperidine-1-carbonyl]amino]-3-methylbutanoic acid 170556-67-9 C13H24N2O3
    (2S)-2-[[(2R,6S)-2,6-dimethylpiperidine-1-carbonyl]amino]-3-methylbutanoic acid
    —— 2,4,7,9-tetrabromobenzo[c]cinnoline 91268-67-6 C12H4Br4N2
    2,4,7,9-tetrabromobenzo[c]cinnoline
    —— 2-(7-hexyl-2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-6-(tributylstannyl)pyridine 1374228-55-3 C29H47NO2SSn
    2-(7-hexyl-2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-6-(tributylstannyl)pyridine
    —— 2,2,3-trimethyl-thiazolidine-4,5-dione 5-oxime 36767-22-3 C6H10N2O2S
    2,2,3-trimethyl-thiazolidine-4,5-dione 5-oxime
    —— 2-(benzenesulfonyl)-3-(2,4-dichlorophenyl)-1-phenylprop-2-en-1-one 33155-77-0 C21H14Cl2O3S
    2-(benzenesulfonyl)-3-(2,4-dichlorophenyl)-1-phenylprop-2-en-1-one
    —— 2-(1-bromopropyl)-3-methylpyridine 1619258-02-4 C9H12BrN
    2-(1-bromopropyl)-3-methylpyridine
    —— [2-[(Z)-4-(3-ethyl-2-oxopiperidin-3-yl)but-1-enyl]phenyl]carbamic acid tert-butyl ester 861219-80-9 C22H32N2O3
    [2-[(Z)-4-(3-ethyl-2-oxopiperidin-3-yl)but-1-enyl]phenyl]carbamic acid tert-butyl ester
    —— 2-Chloro-3-phenyl-6-(4-piperidinylmethyl)quinoline 1082267-64-8 C21H21ClN2
    2-Chloro-3-phenyl-6-(4-piperidinylmethyl)quinoline
    —— 2-{[4-(4-methyl-1,4-diazepan-1-yl)phenyl]amino}-7-(1,3-thiazol-2-yl)pyrimido[4',5':4,5]pyrimido[1,2-b]indazol-5(7H)-one 1242151-31-0 C27H25N9OS
    2-{[4-(4-methyl-1,4-diazepan-1-yl)phenyl]amino}-7-(1,3-thiazol-2-yl)pyrimido[4',5':4,5]pyrimido[1,2-b]indazol-5(7H)-one
    —— 2-[[4-(diethylamino)phenyl]diazenyl]benzene-1,3-dicarbonitrile 58633-01-5 C18H17N5
    2-[[4-(diethylamino)phenyl]diazenyl]benzene-1,3-dicarbonitrile
    —— 2-p-Chlorphenyl-1,3-oxazolon-(4) 26254-10-4 C9H6ClNO2
    2-p-Chlorphenyl-1,3-oxazolon-(4)
    —— 2-phenyl-1,2,4,5,6,7,8,9-octahydro-cyclooctapyrazol-3-one 57980-65-1 C15H18N2O
    2-phenyl-1,2,4,5,6,7,8,9-octahydro-cyclooctapyrazol-3-one
    —— 2,2-Dimethyl-propionic acid (2R,4aR,6R,7R,8S,8aR)-6-[(2R,3R,5S,6R)-6-benzyloxymethyl-3-(2,2-dimethyl-propionyloxy)-5-hydroxy-tetrahydro-pyran-2-yloxy]-7-(2,2-dimethyl-propionyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester 195135-17-2 C41H56O13
    2,2-Dimethyl-propionic acid (2R,4aR,6R,7R,8S,8aR)-6-[(2R,3R,5S,6R)-6-benzyloxymethyl-3-(2,2-dimethyl-propionyloxy)-5-hydroxy-tetrahydro-pyran-2-yloxy]-7-(2,2-dimethyl-propionyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester
    —— 2,2-Dimethyl-cyclohex-3-enyltosylat 73374-48-8 C15H20O4S
    2,2-Dimethyl-cyclohex-3-enyltosylat
    —— 2-exo-bromo-7,7-dichloro-3-endo-hydroxybicyclo-<3.2.0>heptan-6-one 57709-00-9 C7H7BrCl2O2
    2-exo-bromo-7,7-dichloro-3-endo-hydroxybicyclo-<3.2.0>heptan-6-one
    —— 2-<i>p</i>-tolyl-5-(1,2,3-trihydroxy-propyl)-2<i>H</i>-pyrazole-3,4-dione 4-<i>p</i>-tolylhydrazone 63621-73-8 C20H22N4O4
    2-<i>p</i>-tolyl-5-(1,2,3-trihydroxy-propyl)-2<i>H</i>-pyrazole-3,4-dione 4-<i>p</i>-tolylhydrazone
    —— (2R,3R)-2-Bromo-3-methoxy-7,7-dimethyl-bicyclo[3.2.0]heptan-6-one 57708-97-1 C10H15BrO2
    (2R,3R)-2-Bromo-3-methoxy-7,7-dimethyl-bicyclo[3.2.0]heptan-6-one
    —— (2S,4aR,8R,8aR)-2-ethenyl-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3]dioxin-8-ol 137775-88-3 C9H12O4
    (2S,4aR,8R,8aR)-2-ethenyl-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3]dioxin-8-ol
    —— 2-Methyl-3-ethoxycarbonyl-4-acetoxy-5-dimethylimmoniamethylenepyrrol chloride 136429-62-4 C13H19N2O4*Cl
    2-Methyl-3-ethoxycarbonyl-4-acetoxy-5-dimethylimmoniamethylenepyrrol chloride
    —— 2-Isopropyl-4-p-tolyl-quinoline-3-carbaldehyde 121660-28-4 C20H19NO
    2-Isopropyl-4-p-tolyl-quinoline-3-carbaldehyde
    —— 2-cyclopentyloxy-N-(5-fluoro-thiazol-2-yl)-2-[4-(tetrahydro-pyran-4-sulfonyl)-phenyl]-acetamide 1359150-90-5 C21H25FN2O5S2
    2-cyclopentyloxy-N-(5-fluoro-thiazol-2-yl)-2-[4-(tetrahydro-pyran-4-sulfonyl)-phenyl]-acetamide
    —— 2-[2-[4-(2-Ethoxy-phenyl)-piperazine-1-carbonyl]-6-methoxy-3-(3-methoxy-4-pentyloxy-phenyl)-5-pentyloxy-indan-1-yl]-1-[4-(2-ethoxy-phenyl)-piperazin-1-yl]ethanone 412315-77-6 C54H72N4O8
    2-[2-[4-(2-Ethoxy-phenyl)-piperazine-1-carbonyl]-6-methoxy-3-(3-methoxy-4-pentyloxy-phenyl)-5-pentyloxy-indan-1-yl]-1-[4-(2-ethoxy-phenyl)-piperazin-1-yl]ethanone
    —— 2-Acetamino-3-oxo-5-methylcarbamoyl-valeriansaeure-benzylester 1851-58-7 C16H20N2O5
    2-Acetamino-3-oxo-5-methylcarbamoyl-valeriansaeure-benzylester
    —— 2-hexyl-5-methyl-1,3-bis-[3-(trimethylsilanyl)prop-2-ynyl]benzene 801292-34-2 C25H40Si2
    2-hexyl-5-methyl-1,3-bis-[3-(trimethylsilanyl)prop-2-ynyl]benzene
    —— (2S,3S,4S,5S)-2,5-Bis-(4-acetoxy-2-bromo-5-methoxy-phenyl)-tetrahydro-furan-3,4-dicarboxylic acid dimethyl ester 63281-79-8 C26H26Br2O11
    (2S,3S,4S,5S)-2,5-Bis-(4-acetoxy-2-bromo-5-methoxy-phenyl)-tetrahydro-furan-3,4-dicarboxylic acid dimethyl ester
    —— 2-{1-[(2,4-Dinitro-phenyl)-hydrazonomethyl]-2-phenyl-ethyl}-isoindole-1,3-dione 24419-76-9 C23H17N5O6
    2-{1-[(2,4-Dinitro-phenyl)-hydrazonomethyl]-2-phenyl-ethyl}-isoindole-1,3-dione
    —— 2-amino-6-((R)-1-methoxyethyl)pyrimidin-4-ol 1161825-43-9 C7H11N3O2
    2-amino-6-((R)-1-methoxyethyl)pyrimidin-4-ol
    —— 2(R)-1-[4-(4-(Pyrazol-3-yl)phenoxy)benzenesulfonyl]-N-hydroxy-piperidine-2-carboxamide 215921-29-2 C21H22N4O5S
    2(R)-1-[4-(4-(Pyrazol-3-yl)phenoxy)benzenesulfonyl]-N-hydroxy-piperidine-2-carboxamide
    —— 2,2-difluoro-9-oxo-6,7,8,9-tetrahydro-1,3-dioxa-5-aza-cyclohepta[f]indene-5-carboxylic acid tert-butyl ester 851045-70-0 C16H17F2NO5
    2,2-difluoro-9-oxo-6,7,8,9-tetrahydro-1,3-dioxa-5-aza-cyclohepta[f]indene-5-carboxylic acid tert-butyl ester
    —— 2-butyl-1,7-bis-(4-fluoro-benzoyl)-10-methyl-2,10-dihydro-1<i>H</i>-benzo[<i>b</i>]pyrido[2,3-<i>e</i>][1,4]thiazine 72304-38-2 C30H26F2N2O2S
    2-butyl-1,7-bis-(4-fluoro-benzoyl)-10-methyl-2,10-dihydro-1<i>H</i>-benzo[<i>b</i>]pyrido[2,3-<i>e</i>][1,4]thiazine