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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-hydroxyimino-3-oxo-3-pyridazin-4-yl-propionic acid ethyl ester 51149-17-8 C9H9N3O4
    2-hydroxyimino-3-oxo-3-pyridazin-4-yl-propionic acid ethyl ester
    —— 2,2'-bis-pyrimidin-2-ylamino-3,3'-(2,3-diaza-butanedioyl)-bis-propionic acid 53945-11-2 C16H18N8O6
    2,2'-bis-pyrimidin-2-ylamino-3,3'-(2,3-diaza-butanedioyl)-bis-propionic acid
    —— 2'-O-Acetyluridylyl-(3'->5')-2',3'-di-O-benzoyluridin-P-(2-cyanoaethyl)ester 39023-68-2 C37H36N5O17P
    2'-O-Acetyluridylyl-(3'->5')-2',3'-di-O-benzoyluridin-P-(2-cyanoaethyl)ester
    —— 2-thioxo-2,3-dihydro-benzoimidazole-1-carboxylic acid 2-<i>o</i>-tolyloxy-acetylamide 41835-13-6 C17H15N3O3S
    2-thioxo-2,3-dihydro-benzoimidazole-1-carboxylic acid 2-<i>o</i>-tolyloxy-acetylamide
    —— 2'.3'-O-Isopropyliden-2-N-Methylisocytidin 52571-54-7 C13H19N3O5
    2'.3'-O-Isopropyliden-2-N-Methylisocytidin
    —— 2-((2-(5-bromofuran-2-yl)-4-oxo-4H-chromen-3-yl)oxy)acetamide 819827-50-4 C15H10BrNO5
    2-((2-(5-bromofuran-2-yl)-4-oxo-4H-chromen-3-yl)oxy)acetamide
    —— 2-chloro-N-(methoxyethoxymethyl)-N-(2-acetamidophenyl)-3-pyridinesulfonamide 1124195-63-6 C17H20ClN3O5S
    2-chloro-N-(methoxyethoxymethyl)-N-(2-acetamidophenyl)-3-pyridinesulfonamide
    —— 2,4-Di-(methylmercapto)-5-chlorsulfonyl-acetanilid 19185-69-4 C10H12ClNO3S3
    2,4-Di-(methylmercapto)-5-chlorsulfonyl-acetanilid
    —— (2S,4aR,6R,8aS)-2-Propoxy-6-(4-propyl-cyclohexyl)-decahydro-naphthalene 85603-90-3 C22H40O
    (2S,4aR,6R,8aS)-2-Propoxy-6-(4-propyl-cyclohexyl)-decahydro-naphthalene
    —— (2S,4aR,6R,8aS)-2-Benzyloxy-6-(4-propyl-cyclohexyl)-decahydro-naphthalene 85603-95-8 C26H40O
    (2S,4aR,6R,8aS)-2-Benzyloxy-6-(4-propyl-cyclohexyl)-decahydro-naphthalene
    —— 2',4'-Dibenzyloxy-2,4,5-trimethoxychalcone 91735-52-3 C32H30O6
    2',4'-Dibenzyloxy-2,4,5-trimethoxychalcone
    —— 2-(3-methylnaphthalen-1-yl)thiophene 1413394-25-8 C15H12S
    2-(3-methylnaphthalen-1-yl)thiophene
    —— 2-bromo-5β-cholest-1-en-3-one 50909-09-6 C27H43BrO
    2-bromo-5β-cholest-1-en-3-one
    —— 2-[{(3R)-1-[(4'-chloro-3-methyl-biphenyl-4-yl)sulfonyl]pyrrolidin-3-yl}(methyl)amino]ethanol 917356-51-5 C20H25ClN2O3S
    2-[{(3R)-1-[(4'-chloro-3-methyl-biphenyl-4-yl)sulfonyl]pyrrolidin-3-yl}(methyl)amino]ethanol
    —— 2-chloro-N-cyclopropyl-4-{7,8-difluoro-4-[(4-fluorobenzyl)amino]imidazo[1,2-a]quinoxalin-1-yl}benzamide 1254194-94-9 C27H19ClF3N5O
    2-chloro-N-cyclopropyl-4-{7,8-difluoro-4-[(4-fluorobenzyl)amino]imidazo[1,2-a]quinoxalin-1-yl}benzamide
    —— 2-benzoyl-5-(3-fluoro-4-methoxybenzyl)-1,2,3,6-tetrahydropyrrolo[3',4':5,6]pyrido[3,4-b]indole 1207631-98-8 C28H22FN3O2
    2-benzoyl-5-(3-fluoro-4-methoxybenzyl)-1,2,3,6-tetrahydropyrrolo[3',4':5,6]pyrido[3,4-b]indole
    —— 2-[4,5-bis(hexylsulfanyl)-1,3-dithiol-2-ylidene]-6,7-diethynyl-[1,3]dithiolo[4,5-g]quinoxaline 1643369-86-1 C28H30N2S6
    2-[4,5-bis(hexylsulfanyl)-1,3-dithiol-2-ylidene]-6,7-diethynyl-[1,3]dithiolo[4,5-g]quinoxaline
    —— (2S,4R,5R)-4-O-benzyl-6-O-benzoyl-2-O-(tert-butyldimethylsilyl)-3,3-difluorohexane-1,2,4,5,6-pentol 1015418-13-9 C26H36F2O6Si
    (2S,4R,5R)-4-O-benzyl-6-O-benzoyl-2-O-(tert-butyldimethylsilyl)-3,3-difluorohexane-1,2,4,5,6-pentol
    —— 2-cyano-3-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazol-4-yl)-3-(4-nitro-phenyl)-propionamide 71289-24-2 C20H17N5O4
    2-cyano-3-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazol-4-yl)-3-(4-nitro-phenyl)-propionamide
    —— 2-{[(E)-(S)-1-Hydroxymethyl-propylimino]-methyl}-phenol 95341-81-4 C11H15NO2
    2-{[(E)-(S)-1-Hydroxymethyl-propylimino]-methyl}-phenol
    —— 2-<Aethylmercapto-methylen>-indan-dion-(1,3) 29776-03-2 C12H10O2S
    2-<Aethylmercapto-methylen>-indan-dion-(1,3)
    —— 2-(1,1-Diethyl-prop-2-ynyl)-cyclopentanone 25184-20-7 C12H18O
    2-(1,1-Diethyl-prop-2-ynyl)-cyclopentanone
    —— 2-Amino-5-(2-chloro-4-butoxy-phenylmercapto)-thiazole 93187-20-3 C13H15ClN2OS2
    2-Amino-5-(2-chloro-4-butoxy-phenylmercapto)-thiazole
    —— 2-<c-2-Hydroxymethyl-5,6-dimethoxy-t-3-(3,4-dimethoxyphenyl)-r-1-indanyl>ethanol 144878-47-7 C22H28O6
    2-<c-2-Hydroxymethyl-5,6-dimethoxy-t-3-(3,4-dimethoxyphenyl)-r-1-indanyl>ethanol
    —— [2-(2-chloro-acetylamino)-phenoxy]-acetic acid 861296-19-7 C10H10ClNO4
    [2-(2-chloro-acetylamino)-phenoxy]-acetic acid
    —— 2,8-diphenylo-10H-dipyridazino<4,5-b:4',5'-e><1,4>thiazine-1,9(2H,8H)-dione 91364-88-4 C20H13N5O2S
    2,8-diphenylo-10H-dipyridazino<4,5-b:4',5'-e><1,4>thiazine-1,9(2H,8H)-dione
    —— (2S,4aS,7R,8aR)-2-(ethoxycarbonyl)-3-[(E)-3-phenylbut-2-enyl]-4,4,7-trimethyloctahydro-2H-benzo[e][1,3]oxazine 1200450-73-2 C24H35NO3
    (2S,4aS,7R,8aR)-2-(ethoxycarbonyl)-3-[(E)-3-phenylbut-2-enyl]-4,4,7-trimethyloctahydro-2H-benzo[e][1,3]oxazine
    —— 2-(2-(hydroxymethyl)-6,7-dimethoxynaphthalen-1-yl)-phenol 1084904-51-7 C19H18O4
    2-(2-(hydroxymethyl)-6,7-dimethoxynaphthalen-1-yl)-phenol
    —— 2-(6-chloro-2-methyl-3,4-dihydro-1H-pyrido[3,4-b]indol-9(2H)-yl)-1-(2-fluorophenyl)ethanol 1189800-53-0 C20H20ClFN2O
    2-(6-chloro-2-methyl-3,4-dihydro-1H-pyrido[3,4-b]indol-9(2H)-yl)-1-(2-fluorophenyl)ethanol
    —— 2-[4-(dimethylamino)-3-iodophenyl]-4,5,6,7-tetrahydro-1,3-benzothiazol-7-ol 1189352-17-7 C15H17IN2OS
    2-[4-(dimethylamino)-3-iodophenyl]-4,5,6,7-tetrahydro-1,3-benzothiazol-7-ol
    —— 2-{[(3R)-1-cyclopentylpyrrolidin-3-yl]oxy}-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine 1190440-54-0 C18H27N3O
    2-{[(3R)-1-cyclopentylpyrrolidin-3-yl]oxy}-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine
    —— 2-(3,5-dioxo-1-phenylpyrazolidin-4-yliden)-4-imino-3,6-diphenyl-3,4-dihydro-2H-1,3-thiazine-5-carbonitrile 1639783-53-1 C26H17N5O2S
    2-(3,5-dioxo-1-phenylpyrazolidin-4-yliden)-4-imino-3,6-diphenyl-3,4-dihydro-2H-1,3-thiazine-5-carbonitrile
    —— (2S,1'S,2'R,3'S)-1,1'-N,O-Carbonyl-2-(1',2',3'-trihydroxy-2',3'-O-isopropylidene-4'-chlorobutyl)pyrrolidine 141116-83-8 C12H18ClNO4
    (2S,1'S,2'R,3'S)-1,1'-N,O-Carbonyl-2-(1',2',3'-trihydroxy-2',3'-O-isopropylidene-4'-chlorobutyl)pyrrolidine
    —— 2,4,6-trichloro-N-[3-(1H-tetrazol-5-yl)phenyl]benzenesulfonamide 1365719-98-7 C13H8Cl3N5O2S
    2,4,6-trichloro-N-[3-(1H-tetrazol-5-yl)phenyl]benzenesulfonamide
    —— 2'-Methylsulfonyl-4-acetamidobiphenyl 31433-71-3 C15H15NO3S
    2'-Methylsulfonyl-4-acetamidobiphenyl
    —— 2,6-bis[(1R,2S)-N,N'-2-chloro-1,2-diphenylethyl]pyridinedicarboxamide 410092-97-6 C35H29Cl2N3O2
    2,6-bis[(1R,2S)-N,N'-2-chloro-1,2-diphenylethyl]pyridinedicarboxamide
    —— 2,6-bis(3'-((2,5-bis((2-ethylhexyl)oxy)-4-((triisopropylsilyl)ethynyl)phenyl)ethynyl)-[1,1'-biphenyl]-4-yl)-4-(4-(tert-butyl)phenyl)pyridine 1247824-81-2 C109H145NO4Si2
    2,6-bis(3'-((2,5-bis((2-ethylhexyl)oxy)-4-((triisopropylsilyl)ethynyl)phenyl)ethynyl)-[1,1'-biphenyl]-4-yl)-4-(4-(tert-butyl)phenyl)pyridine
    —— 2,4-dimethoxy-6-(naphthalene-2-yloxy)-1,3,5-triazine 41735-95-9 C15H13N3O3
    2,4-dimethoxy-6-(naphthalene-2-yloxy)-1,3,5-triazine
    —— 2-[(1,3-dimethyl-2,4,6(1H,3H,5H)-trioxopyrimidin-5-ylidene)methylamino]-ethanol 282526-36-7 C9H13N3O4
    2-[(1,3-dimethyl-2,4,6(1H,3H,5H)-trioxopyrimidin-5-ylidene)methylamino]-ethanol
    —— 2-Dibromomethyl-5-nitro-benzonitrile 122947-71-1 C8H4Br2N2O2
    2-Dibromomethyl-5-nitro-benzonitrile
    —— 2,3-Diphenyl-5-p-tolyl-2,3-dihydro-[1,3,4]oxadiazole 79071-42-4 C21H18N2O
    2,3-Diphenyl-5-p-tolyl-2,3-dihydro-[1,3,4]oxadiazole
    —— 2,4,5-trimethyl-5,6-dihydro-4<i>H</i>-imidazo[1,5,4-<i>de</i>]quinoxaline 41405-88-3 C12H15N3
    2,4,5-trimethyl-5,6-dihydro-4<i>H</i>-imidazo[1,5,4-<i>de</i>]quinoxaline
    —— 2-Amino-benzoic acid 2-ethylcarbamoyl-phenyl ester 51759-62-7 C16H16N2O3
    2-Amino-benzoic acid 2-ethylcarbamoyl-phenyl ester
    —— 2-Bromo-N-(3-nitro-phenyl)-2-phenyl-acetamide 51766-10-0 C14H11BrN2O3
    2-Bromo-N-(3-nitro-phenyl)-2-phenyl-acetamide
    —— 2,2,2-Triisopropoxy-5-trityl-1,3-dioxa-2λ<sup>5</sup>-phospha-indan 43208-08-8 C34H39O5P
    2,2,2-Triisopropoxy-5-trityl-1,3-dioxa-2λ<sup>5</sup>-phospha-indan
    —— 2-Octyl-malonic acid methyl ester 1-phenyl-ethyl ester 52267-48-8 C20H30O4
    2-Octyl-malonic acid methyl ester 1-phenyl-ethyl ester
    —— 2,2,3,3-Tetrafluoro-1,4-bis-trifluoromethylsulfanyl-butane 34965-51-0 C6H4F10S2
    2,2,3,3-Tetrafluoro-1,4-bis-trifluoromethylsulfanyl-butane
    —— 2-methyl-2-phenyl-[1,2]oxasilolane 59409-67-5 C10H14OSi
    2-methyl-2-phenyl-[1,2]oxasilolane
    —— 2,7-Dimethyl-octa-4,5,6-trien-2-ol 58587-32-9 C10H16O
    2,7-Dimethyl-octa-4,5,6-trien-2-ol
    —— 2,5-Dimethyl-4-(p-methoxyphenyl)-dithiolan-1,3 60361-65-1 C12H16OS2
    2,5-Dimethyl-4-(p-methoxyphenyl)-dithiolan-1,3