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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2',3-di-O-acetyl-4'''-deoxy-4''-O-isovaleryl-4'''-oxotylosin 122825-72-3 C55H87NO20
    2',3-di-O-acetyl-4'''-deoxy-4''-O-isovaleryl-4'''-oxotylosin
    —— 2,4,6-tri-O-benzyl-3-O-chloroacetyl-α-D-mannopyranosyl fluoride 1400562-57-3 C29H30ClFO6
    2,4,6-tri-O-benzyl-3-O-chloroacetyl-α-D-mannopyranosyl fluoride
    —— 2-Bromo-1-(8-chloro-naphtho[2,1-b]thiophen-4-yl)-ethanone 104314-20-7 C14H8BrClOS
    2-Bromo-1-(8-chloro-naphtho[2,1-b]thiophen-4-yl)-ethanone
    —— 2-[4-(1-Oxidopyridin-1-ium-4-carbonyl)piperazine-1-carbonyl]-[1,2]thiazolo[5,4-b]pyridin-3-one 1445754-18-6 C17H15N5O4S
    2-[4-(1-Oxidopyridin-1-ium-4-carbonyl)piperazine-1-carbonyl]-[1,2]thiazolo[5,4-b]pyridin-3-one
    —— 2-(3-((R)-3-(3,4-dimethoxyphenyl)-1-((S)-1-(3,5-dimethylisoxazol-4-ylsulfonyl)piperidine-2-carbonyloxy)propyl)phenoxy)acetic acid 1373830-12-6 C30H36N2O10S
    2-(3-((R)-3-(3,4-dimethoxyphenyl)-1-((S)-1-(3,5-dimethylisoxazol-4-ylsulfonyl)piperidine-2-carbonyloxy)propyl)phenoxy)acetic acid
    —— 2-amino-6-((diethylamino)methyl)phenol 147197-23-7 C11H18N2O
    2-amino-6-((diethylamino)methyl)phenol
    —— 2-methylquinoline:(5-nitrosalicylic acid) 1361237-90-2 C7H5NO5*C10H9N
    2-methylquinoline:(5-nitrosalicylic acid)
    —— 2,2'-hexane-1,6-diyl-bis-[1,3,6,2]dioxazaborocane 97175-00-3 C14H30B2N2O4
    2,2'-hexane-1,6-diyl-bis-[1,3,6,2]dioxazaborocane
    —— 2-(2-oxo-cyclohexyl)-N-(2-trimethylsilanyl-ethyl)acetamide 1042068-57-4 C13H25NO2Si
    2-(2-oxo-cyclohexyl)-N-(2-trimethylsilanyl-ethyl)acetamide
    —— (2R,3R,4S,5S,6S,7S,10S)-4-iodo-7-isopropyl-2,3,5,10-tetramethyl-1-oxaspiro[5.5]undecane 1351355-11-7 C17H31IO
    (2R,3R,4S,5S,6S,7S,10S)-4-iodo-7-isopropyl-2,3,5,10-tetramethyl-1-oxaspiro[5.5]undecane
    —— 2-((S)-1-[1,4]dioxan-2-ylmethoxy)-9-(2-ethyl-hexylamino)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one 1445847-42-6 C25H35N3O4
    2-((S)-1-[1,4]dioxan-2-ylmethoxy)-9-(2-ethyl-hexylamino)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one
    —— 2,2-dimethyl-3-[1-[5-[5-(thiophen-3-ylmethyl)-1H-1,2,4-triazol-3-yl]pyridin-2-yl]piperidin-4-yl]oxypropanoic acid 1445205-88-8 C22H27N5O3S
    2,2-dimethyl-3-[1-[5-[5-(thiophen-3-ylmethyl)-1H-1,2,4-triazol-3-yl]pyridin-2-yl]piperidin-4-yl]oxypropanoic acid
    —— 2-(2,3-Dihydro-3-methylethenyl-2-oxo-1H-benzimidazol-1-yl)ethyl 4-(Diphenylmethyl)-1-piperazinecarboxylate 120311-76-4 C30H32N4O3
    2-(2,3-Dihydro-3-methylethenyl-2-oxo-1H-benzimidazol-1-yl)ethyl 4-(Diphenylmethyl)-1-piperazinecarboxylate
    —— (2S)-2-{[(2S)-2-({2-[2-(tert-butyl)phenoxy]acetyl}amino)-4-methylpentanoyl]amino}-3-{4-[({4-[(2,2-dicyclohexylacetyl)amino]-1-piperidinyl}carbonyl)oxy]phenyl}propanoic acid 278598-79-1 C47H68N4O8
    (2S)-2-{[(2S)-2-({2-[2-(tert-butyl)phenoxy]acetyl}amino)-4-methylpentanoyl]amino}-3-{4-[({4-[(2,2-dicyclohexylacetyl)amino]-1-piperidinyl}carbonyl)oxy]phenyl}propanoic acid
    —— 2,3-Bis{2-[2-(2-chloroethoxy)ethoxy]ethylthio}-6-(2-cyanoethylthio)-7-methylthiotetrathiafulvalene 204860-58-2 C22H31Cl2NO4S8
    2,3-Bis{2-[2-(2-chloroethoxy)ethoxy]ethylthio}-6-(2-cyanoethylthio)-7-methylthiotetrathiafulvalene
    —— (2,3-difluorophenyl)(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methanone 1254968-17-6 C17H12F2N2O2
    (2,3-difluorophenyl)(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methanone
    —— 2-chloro-N-(1-hydroxy-cyclohexylmethyl)-5-[methyl-(6-methylamino-pyrazin-2-yl)-amino]-benzamide 1394347-99-9 C20H26ClN5O2
    2-chloro-N-(1-hydroxy-cyclohexylmethyl)-5-[methyl-(6-methylamino-pyrazin-2-yl)-amino]-benzamide
    —— 2-[2-(4-tert-Butyl-cyclohexylidene)-ethyl]-5-methyl-3-oxo-hexanoic acid methyl ester 85405-71-6 C20H34O3
    2-[2-(4-tert-Butyl-cyclohexylidene)-ethyl]-5-methyl-3-oxo-hexanoic acid methyl ester
    —— 2-[2-(6-Methoxy-1,2,3,4-tetrahydro-naphthalen-1-yl)-ethyl]-2-methyl-cyclopentanone 51873-90-6 C19H26O2
    2-[2-(6-Methoxy-1,2,3,4-tetrahydro-naphthalen-1-yl)-ethyl]-2-methyl-cyclopentanone
    —— 2-[4-(N,N-dimethylamino)-piperidino]-8-(3-phenylpropyl-amino)-4-morpholino-pyrimido [5,4-d]pyrimidine 168259-49-2 C26H36N8O
    2-[4-(N,N-dimethylamino)-piperidino]-8-(3-phenylpropyl-amino)-4-morpholino-pyrimido [5,4-d]pyrimidine
    —— 2-(difluoromethoxy)-5-[(5R)-1,7-dioxa-2-azaspiro[4.4]non-2-en-3-yl]phenol 1013655-90-7 C13H13F2NO4
    2-(difluoromethoxy)-5-[(5R)-1,7-dioxa-2-azaspiro[4.4]non-2-en-3-yl]phenol
    —— 2-(3-dimethylamino-propyl)-8-nitro-2,10-dihydro-benzo[<i>b</i>]pyridazino[4,5-<i>e</i>][1,4]thiazin-1-one 68434-16-2 C15H17N5O3S
    2-(3-dimethylamino-propyl)-8-nitro-2,10-dihydro-benzo[<i>b</i>]pyridazino[4,5-<i>e</i>][1,4]thiazin-1-one
    —— 2-[diethoxyphosphoryl(hydroxy)amino]-1,1,1-trifluoropropan-2-ol 194604-98-3 C7H15F3NO5P
    2-[diethoxyphosphoryl(hydroxy)amino]-1,1,1-trifluoropropan-2-ol
    —— 2-(tert-butyloxycarbonylamino)-2-[[3-(2,3-dimethylphenylaminosulphonyl)phenyl]-aminocarbonyl]acetic acid ethyl ester 326852-25-9 C24H31N3O7S
    2-(tert-butyloxycarbonylamino)-2-[[3-(2,3-dimethylphenylaminosulphonyl)phenyl]-aminocarbonyl]acetic acid ethyl ester
    —— 2-(E)-(2-iodostyryl)-N-benzoyliminopyridinium ylide 1219634-62-4 C20H15IN2O
    2-(E)-(2-iodostyryl)-N-benzoyliminopyridinium ylide
    —— 2-allyl-4-methyl-6-morpholin-4-yl-3,4-dihydro-2H-benzo[1,2]thiazine 1,1-dioxide 1242104-91-1 C16H22N2O3S
    2-allyl-4-methyl-6-morpholin-4-yl-3,4-dihydro-2H-benzo[1,2]thiazine 1,1-dioxide
    —— 2-(3,4,5-Triethoxy-phenylamino)-benzoic acid 50625-89-3 C19H23NO5
    2-(3,4,5-Triethoxy-phenylamino)-benzoic acid
    —— 2-((R)-1-Hydroxy-1,5-dimethyl-hex-4-enyl)-5-methyl-[1,4]benzoquinone 35345-87-0 C15H20O3
    2-((R)-1-Hydroxy-1,5-dimethyl-hex-4-enyl)-5-methyl-[1,4]benzoquinone
    —— 2,2'-(7-oxa-3,4,6-triaza-benzo[<i>de</i>]anthracene-2,5-diyl)-bis-phenol 34035-67-1 C25H15N3O3
    2,2'-(7-oxa-3,4,6-triaza-benzo[<i>de</i>]anthracene-2,5-diyl)-bis-phenol
    —— 2,4,7-Trinitro-fluoren-9-one; compound with 2-butyl-naphtho[2,3-b]furan 42818-54-2 C13H5N3O7*C16H16O
    2,4,7-Trinitro-fluoren-9-one; compound with 2-butyl-naphtho[2,3-b]furan
    —— 2-(2-Furyl)-3-phenyl-5-(1-naphthyloxymethyl)-oxazolidin 43023-28-5 C24H21NO3
    2-(2-Furyl)-3-phenyl-5-(1-naphthyloxymethyl)-oxazolidin
    —— 2-acetylamino-<i>N</i>-(2-methyl-4-oxo-4<i>H</i>-quinazolin-3-yl)-benzamide 41151-79-5 C18H16N4O3
    2-acetylamino-<i>N</i>-(2-methyl-4-oxo-4<i>H</i>-quinazolin-3-yl)-benzamide
    —— 2-(3-chloro-benzyl)-3-(4-nitro-phenyl)-oxaziridine 25105-64-0 C14H11ClN2O3
    2-(3-chloro-benzyl)-3-(4-nitro-phenyl)-oxaziridine
    —— 2-(N-Methyl-N-benzylamino)aethanthioschwefelsaeure 31645-81-5 C10H15NO3S2
    2-(N-Methyl-N-benzylamino)aethanthioschwefelsaeure
    —— 2-(4-propoxy-benzyl)-pentanedioic acid anhydride 51180-16-6 C15H18O4
    2-(4-propoxy-benzyl)-pentanedioic acid anhydride
    —— 2-Phthalimidosuccinanilsaeure 52604-89-4 C18H14N2O5
    2-Phthalimidosuccinanilsaeure
    —— (2-methyl-5-methylsulfanyl-thiophene-3,4-diyl)-bis-acetonitrile 40990-32-7 C10H10N2S2
    (2-methyl-5-methylsulfanyl-thiophene-3,4-diyl)-bis-acetonitrile
    —— 2-(4-Chlorophenyl)-2,5-dihydro-7-(4-methoxycarbonylphenyl)-6-methyl-pyrazolo[4,3-c]pyridin-3-one 244638-79-7 C21H16ClN3O3
    2-(4-Chlorophenyl)-2,5-dihydro-7-(4-methoxycarbonylphenyl)-6-methyl-pyrazolo[4,3-c]pyridin-3-one
    —— 2-buta-2,3-dienoyl-3,5-dimethoxyphenyl diethylcarbamate 1025324-88-2 C17H21NO5
    2-buta-2,3-dienoyl-3,5-dimethoxyphenyl diethylcarbamate
    —— 2,3-Dibrom-6-acetamino-hydrochinon-dimethylether 5030-60-4 C10H11Br2NO3
    2,3-Dibrom-6-acetamino-hydrochinon-dimethylether
    —— 2-ethyl-2-phenyl-adiponitrile 2941-40-4 C14H16N2
    2-ethyl-2-phenyl-adiponitrile
    —— 2-ethoxy-5-nitro-N-(3-trifluoromethylphenyl)benzamide 1285539-36-7 C16H13F3N2O4
    2-ethoxy-5-nitro-N-(3-trifluoromethylphenyl)benzamide
    —— (2-p-Methyl-benzoyl-vinyl)-triphenyl-phosphoniumchlorid-hydrat 40613-15-8 C28H24OP*Cl
    (2-p-Methyl-benzoyl-vinyl)-triphenyl-phosphoniumchlorid-hydrat
    —— 2-Phenyl-1,3,2-diazaphosphaadamantan 35820-68-9 C13H17N2P
    2-Phenyl-1,3,2-diazaphosphaadamantan
    —— 2-Chlor-6-piperidino-naphtho<2,3-a>phenazindion-8,13 37387-57-8 C25H18ClN3O2
    2-Chlor-6-piperidino-naphtho<2,3-a>phenazindion-8,13
    —— 2-Methyl-1-phenyl-6-(p-methoxy-benzyl)-7-methoxy-1,2,3,4-tetrahydro-isochinolin 22988-25-6 C25H27NO2
    2-Methyl-1-phenyl-6-(p-methoxy-benzyl)-7-methoxy-1,2,3,4-tetrahydro-isochinolin
    —— 2,7-Diiod-4,5-dichlor-acridon 30558-62-4 C13H5Cl2I2NO
    2,7-Diiod-4,5-dichlor-acridon
    —— 2-(3-Methyl-benzylamino)-4-phenoxy-5-sulfamoyl-benzoic acid 30291-81-7 C21H20N2O5S
    2-(3-Methyl-benzylamino)-4-phenoxy-5-sulfamoyl-benzoic acid
    —— 2,4-Dicyano-2-(4-isobutyl-phenyl)-butyric acid ethyl ester 40282-19-7 C18H22N2O2
    2,4-Dicyano-2-(4-isobutyl-phenyl)-butyric acid ethyl ester
    —— 2-Anilinoindol-3-carboxaldehyd-anil 28035-64-5 C21H17N3
    2-Anilinoindol-3-carboxaldehyd-anil