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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Phenoxymethyl-furan-3-carbonsaeure 55888-91-0 C12H10O4
    2-Phenoxymethyl-furan-3-carbonsaeure
    —— 2-Thiazolemethanamine, N-(5-ethyl-4,5-dihydro-2-thiazolyl)-4-methyl- 1598981-80-6 C10H15N3S2
    2-Thiazolemethanamine, N-(5-ethyl-4,5-dihydro-2-thiazolyl)-4-methyl-
    —— 2-pivaloyl-6-<(methoxymethyl)ethynyl>pterin 108473-12-7 C15H17N5O3
    2-pivaloyl-6-<(methoxymethyl)ethynyl>pterin
    —— 2-Fluoro-3-methoxy-3-(p-bromophenyl)-prop-1-en 67471-56-1 C10H10BrFO
    2-Fluoro-3-methoxy-3-(p-bromophenyl)-prop-1-en
    —— 2-[(4-Methoxyphenyl)methoxymethyl]-2,5-dimethylfuran-3-one 805232-86-4 C15H18O4
    2-[(4-Methoxyphenyl)methoxymethyl]-2,5-dimethylfuran-3-one
    —— [(2R,3S,4S,5R,6R)-3,5-diacetyloxy-6-[(2R,3R,4R,5S,6R)-2-(2-azidoethoxy)-3-(1,3-dioxoisoindol-2-yl)-5-hydroxy-6-(phenylmethoxymethyl)oxan-4-yl]oxy-4-[(4-methoxyphenyl)methoxy]oxan-2-yl]methyl acetate 864270-48-4 C43H48N4O16
    [(2R,3S,4S,5R,6R)-3,5-diacetyloxy-6-[(2R,3R,4R,5S,6R)-2-(2-azidoethoxy)-3-(1,3-dioxoisoindol-2-yl)-5-hydroxy-6-(phenylmethoxymethyl)oxan-4-yl]oxy-4-[(4-methoxyphenyl)methoxy]oxan-2-yl]methyl acetate
    —— 2-Chloro-7-(2-ethyl-[1,3]dioxolan-2-yl)-thioxanthen-9-one 73498-62-1 C18H15ClO3S
    2-Chloro-7-(2-ethyl-[1,3]dioxolan-2-yl)-thioxanthen-9-one
    —— 2-(3-methylocta-2,7-dienyl)phenyl methoxymethyl ether 752209-20-4 C17H24O2
    2-(3-methylocta-2,7-dienyl)phenyl methoxymethyl ether
    —— 2-(3-chlorophenyl)-N-[4-[(1S)-1-[(4-chlorophenyl)sulfonyl-(pyridin-2-ylmethyl)amino]ethyl]phenyl]acetamide 1191068-45-7 C28H25Cl2N3O3S
    2-(3-chlorophenyl)-N-[4-[(1S)-1-[(4-chlorophenyl)sulfonyl-(pyridin-2-ylmethyl)amino]ethyl]phenyl]acetamide
    —— 2-Butoxy-8-methoxy-9-[[3-[3-(pyrrolidin-1-ylmethyl)phenyl]phenyl]methyl]purin-6-amine 1293916-31-0 C28H34N6O2
    2-Butoxy-8-methoxy-9-[[3-[3-(pyrrolidin-1-ylmethyl)phenyl]phenyl]methyl]purin-6-amine
    —— (2-Bromo-4,5-difluorophenyl)methanamine 1256238-50-2 C7H6BrF2N
    (2-Bromo-4,5-difluorophenyl)methanamine
    —— 2-(N,N-dibutylaminomethylidene)amino-6-[2-deoxy-5-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl]-7-hydroxy-1,8-naphthyridine 700871-11-0 C43H50N4O6
    2-(N,N-dibutylaminomethylidene)amino-6-[2-deoxy-5-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl]-7-hydroxy-1,8-naphthyridine
    —— 2-allyloxy-6-hydroxy-1-phenyl-1-(2-pivaloylamidophenyl)hex-1-en-3-one 85852-04-6 C26H31NO4
    2-allyloxy-6-hydroxy-1-phenyl-1-(2-pivaloylamidophenyl)hex-1-en-3-one
    —— (2-butyl-10-methyl-10<i>H</i>-benzo[<i>b</i>]pyrido[2,3-<i>e</i>][1,4]thiazin-7-yl)-(4-fluoro-phenyl)-methanone 72304-37-1 C23H21FN2OS
    (2-butyl-10-methyl-10<i>H</i>-benzo[<i>b</i>]pyrido[2,3-<i>e</i>][1,4]thiazin-7-yl)-(4-fluoro-phenyl)-methanone
    —— 2-{[4-(4-bromo-phenyl)-thiazol-2-ylamino]-methoxy-phosphoryloxy}-benzoic acid methyl ester 72636-32-9 C18H16BrN2O5PS
    2-{[4-(4-bromo-phenyl)-thiazol-2-ylamino]-methoxy-phosphoryloxy}-benzoic acid methyl ester
    —— 2,3-C2B4H7-4-CH2Si(CH3)2Cl 61916-31-2 C5H15B4ClSi
    2,3-C2B4H7-4-CH2Si(CH3)2Cl
    —— (2S,5S)-10-Hydroxy-tricyclo[4.2.1.1<sup>2,5</sup>]dec-7-en-9-one 70220-89-2 C10H12O2
    (2S,5S)-10-Hydroxy-tricyclo[4.2.1.1<sup>2,5</sup>]dec-7-en-9-one
    —— 2-[2-(1,3-Dimethyl-1,3-dihydro-benzoimidazol-2-ylidene)-eth-(Z)-ylidene]-benzo[b]thiophen-3-one 71574-47-5 C19H16N2OS
    2-[2-(1,3-Dimethyl-1,3-dihydro-benzoimidazol-2-ylidene)-eth-(Z)-ylidene]-benzo[b]thiophen-3-one
    —— 2-(2-hydroxy-ethylselanyl)-5,6,7,8-tetrahydro-3<i>H</i>-benzo[4,5]thieno[2,3-<i>d</i>]pyrimidin-4-one 64393-92-6 C12H14N2O2SSe
    2-(2-hydroxy-ethylselanyl)-5,6,7,8-tetrahydro-3<i>H</i>-benzo[4,5]thieno[2,3-<i>d</i>]pyrimidin-4-one
    —— 2-Methyl-13C-2-thiazolin 74334-10-4 C4H7NS
    2-Methyl-13C-2-thiazolin
    —— 2,3-dimethoxy-7,9,10,11,11a,12-hexahydro-benzo[<i>f</i>]pyrrolo[1,2-<i>b</i>]isoquinoline-7-carbonitrile 72170-24-2 C19H20N2O2
    2,3-dimethoxy-7,9,10,11,11a,12-hexahydro-benzo[<i>f</i>]pyrrolo[1,2-<i>b</i>]isoquinoline-7-carbonitrile
    —— 2,3-Benzo-6-methyl-(2-methyl-2-propenyl)cyclohexan-1,4-dion 60404-94-6 C15H16O2
    2,3-Benzo-6-methyl-(2-methyl-2-propenyl)cyclohexan-1,4-dion
    —— {2-[(2,4-dinitro-phenylhydrazono)-methyl]-cyclohex-1-enyl}-acetic acid ethyl ester 66979-49-5 C17H20N4O6
    {2-[(2,4-dinitro-phenylhydrazono)-methyl]-cyclohex-1-enyl}-acetic acid ethyl ester
    —— 2-[(5Z)-5-(4-chlorobenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-phenylacetamide 1421342-19-9 C18H13ClN2O2S2
    2-[(5Z)-5-(4-chlorobenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-phenylacetamide
    —— (2-methoxy-4,6-dimethylphenyl)(phenyl)sulfane 1541160-25-1 C15H16OS
    (2-methoxy-4,6-dimethylphenyl)(phenyl)sulfane
    —— (2S,3R)-3-benzoyloxy-5-tert-butyldiphenylsilyloxy-1,2-pentanediol 142204-71-5 C28H34O5Si
    (2S,3R)-3-benzoyloxy-5-tert-butyldiphenylsilyloxy-1,2-pentanediol
    —— <2-(4-Methoxybenzoyl)-4-pyridyl>triphenylphosphonium-trifluormethansulfonat 116928-31-5 CF3O3S*C31H25NO2P
    <2-(4-Methoxybenzoyl)-4-pyridyl>triphenylphosphonium-trifluormethansulfonat
    —— 2-(β-(Spiro-<3.3>-heptyl-(2))-aethyl)-propandiol-(1,3) 3617-84-3 C12H22O2
    2-(β-(Spiro-<3.3>-heptyl-(2))-aethyl)-propandiol-(1,3)
    —— 2,2,6,6-tetramethyl-nona-4<i>t</i>,8-dien-3-one 52279-06-8 C13H22O
    2,2,6,6-tetramethyl-nona-4<i>t</i>,8-dien-3-one
    —— 2,4,5-trimethoxy-thiobenzoic acid anilide 872820-03-6 C16H17NO3S
    2,4,5-trimethoxy-thiobenzoic acid anilide
    —— 2-Iod-4,5,4',5'-tetramethoxy-2'-nitrobiphenyl 22296-39-5 C16H16INO6
    2-Iod-4,5,4',5'-tetramethoxy-2'-nitrobiphenyl
    —— 2',3'-O-isopropylidene-2-methylinosine 6670-90-2 C14H18N4O5
    2',3'-O-isopropylidene-2-methylinosine
    —— (2-methyl-3-tert-butoxypropyl)lithium 289698-63-1 C8H17LiO
    (2-methyl-3-tert-butoxypropyl)lithium
    —— (2S,3S,4R,5S) 3,5-diacetoxy-2,4-isopropylidenedioxy-4-methyl-5-phenylpentane 156746-40-6 C19H26O6
    (2S,3S,4R,5S) 3,5-diacetoxy-2,4-isopropylidenedioxy-4-methyl-5-phenylpentane
    —— (2R,3S,4S,5R,6S,9R,10S,11R,12R,13R,7E)-13-(tert-butyldimethylsilyloxy)-6,11-dihydroxy-3,5-isopropylidenedioxy-2,4,6,8,10,12-hexamethyl-9-<(1'S)-tetrahydro-2H-pyran-2-yloxy>-7-pentadecenoic acid 141228-46-8 C35H66O9Si
    (2R,3S,4S,5R,6S,9R,10S,11R,12R,13R,7E)-13-(tert-butyldimethylsilyloxy)-6,11-dihydroxy-3,5-isopropylidenedioxy-2,4,6,8,10,12-hexamethyl-9-<(1'S)-tetrahydro-2H-pyran-2-yloxy>-7-pentadecenoic acid
    —— 2-N-methyl-N-n-butyl-2-oxoethyl phosphonium chloride 1318184-86-9 C25H29NOP*Cl
    2-N-methyl-N-n-butyl-2-oxoethyl phosphonium chloride
    —— (2R,4aR,6R,9aS)-6-Benzyloxymethyl-2-vinyl-octahydro-1,5-dioxa-benzocycloheptene 143087-38-1 C19H26O3
    (2R,4aR,6R,9aS)-6-Benzyloxymethyl-2-vinyl-octahydro-1,5-dioxa-benzocycloheptene
    —— 2-(4-chlorophenyl)-N-{(3S)-1-[(1S)-1-[(methyloxy)methyl]-2-(4-morpholinyl)-2-oxoethyl]-2-oxo-3-pyrrolidinyl}ethanesulfonamide 711019-36-2 C20H28ClN3O6S
    2-(4-chlorophenyl)-N-{(3S)-1-[(1S)-1-[(methyloxy)methyl]-2-(4-morpholinyl)-2-oxoethyl]-2-oxo-3-pyrrolidinyl}ethanesulfonamide
    —— 2-((4-chlorophenyl)ethynyl)-5-fluorobenzonitrile 1609162-61-9 C15H7ClFN
    2-((4-chlorophenyl)ethynyl)-5-fluorobenzonitrile
    —— 2-exo-<4-Hydroxy-butin-(1)-yl>-2-endo-hydroxy-norbornan 21860-60-6 C11H16O2
    2-exo-<4-Hydroxy-butin-(1)-yl>-2-endo-hydroxy-norbornan
    —— (+/-)-2ξ,9-dimethyl-9-aza-bicyclo[3.3.1]nonane-3<i>exo</i>-ol 103204-58-6 C10H19NO
    (+/-)-2ξ,9-dimethyl-9-aza-bicyclo[3.3.1]nonane-3<i>exo</i>-ol
    —— 2,2-Bis-(4-chloro-phenoxy)-malonic acid bis-(2-piperidin-1-yl-ethyl) ester 23529-20-6 C29H36Cl2N2O6
    2,2-Bis-(4-chloro-phenoxy)-malonic acid bis-(2-piperidin-1-yl-ethyl) ester
    —— 2'''-hydroxy-4'''-methoxy-5'-(piperidin-1-yl)-[1,1';2',1'';3',1''']quaterphenyl-4'-carbonitrile 1036758-15-2 C31H28N2O2
    2'''-hydroxy-4'''-methoxy-5'-(piperidin-1-yl)-[1,1';2',1'';3',1''']quaterphenyl-4'-carbonitrile
    —— (2R,5S,2'S)-2-(tert-Butyl)-5-methyl-5-(1'-nitrobutan-2'-yl)-1,3-dioxolan-4-on 104194-07-2 C12H21NO5
    (2R,5S,2'S)-2-(tert-Butyl)-5-methyl-5-(1'-nitrobutan-2'-yl)-1,3-dioxolan-4-on
    —— 2-[3,3-Dichloro-prop-2-en-(Z)-ylidene]-cyclododecanone 40072-88-6 C15H22Cl2O
    2-[3,3-Dichloro-prop-2-en-(Z)-ylidene]-cyclododecanone
    —— (2-(4-((3-cyclopropoxy)propyl)phenoxy)methyl)oxirane 1392489-44-9 C15H20O3
    (2-(4-((3-cyclopropoxy)propyl)phenoxy)methyl)oxirane
    —— 2,4-dinitro-benzenesulfenic acid-(1-phenyl-ethyl ester) 854179-53-6 C14H12N2O5S
    2,4-dinitro-benzenesulfenic acid-(1-phenyl-ethyl ester)
    —— 2-bromomethyl-2-carbomethoxy-11,11-dimethyl-6-methoxy-5-oxatricyclo<7,3,0,03,7>dodec-8-en-4-one 77645-58-0 C17H23BrO5
    2-bromomethyl-2-carbomethoxy-11,11-dimethyl-6-methoxy-5-oxatricyclo<7,3,0,03,7>dodec-8-en-4-one
    —— 2-(2,4-dichlorophenyl)-2',4'-dichloroacetophenone 107680-34-2 C14H8Cl4O
    2-(2,4-dichlorophenyl)-2',4'-dichloroacetophenone
    —— <(2-Methoxyethoxy)methyl>fumaronitril 51756-00-4 C8H10N2O2
    <(2-Methoxyethoxy)methyl>fumaronitril