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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(N-propargylamino)-5-nitroaniline 122457-25-4 C9H9N3O2
    2-(N-propargylamino)-5-nitroaniline
    —— 2-iodo-4-(trifluoromethoxy)thiophene 1254174-50-9 C5H2F3IOS
    2-iodo-4-(trifluoromethoxy)thiophene
    —— 2,3-trans-3,4-trans-4-p-tolyloxy-4'-methoxyflavan-3-ol 89840-23-3 C23H22O4
    2,3-trans-3,4-trans-4-p-tolyloxy-4'-methoxyflavan-3-ol
    —— 2'-O-acetyl-3-O-descladinosyl-3-O-allyl-6-O-methylerythromycin A 9-(E)-O-benzyloxime 11,12-cyclic carbonate 1360059-63-7 C43H66N2O12
    2'-O-acetyl-3-O-descladinosyl-3-O-allyl-6-O-methylerythromycin A 9-(E)-O-benzyloxime 11,12-cyclic carbonate
    —— 2-benzamido-N-[4-(2-hydroxyphenyl)-2-(2-phenylethenyl)-2,3a,4,5-tetrahydro-[1,3]thiazolo[5,4-c][1,5]benzodiazepin-1-yl]-4-methylthiophene-3-carboxamide 1211859-05-0 C37H31N5O3S2
    2-benzamido-N-[4-(2-hydroxyphenyl)-2-(2-phenylethenyl)-2,3a,4,5-tetrahydro-[1,3]thiazolo[5,4-c][1,5]benzodiazepin-1-yl]-4-methylthiophene-3-carboxamide
    —— 2,2,3,3-Tetramethyl-cyclopropanecarboxylic acid cyclohexyl-(3-phenoxy-phenyl)-methyl ester 53780-54-4 C27H34O3
    2,2,3,3-Tetramethyl-cyclopropanecarboxylic acid cyclohexyl-(3-phenoxy-phenyl)-methyl ester
    —— 2-(3-dimethylamino-propyl)-9-methyl-2,3,4,9-tetrahydro-β-carbolin-1-one 93725-23-6 C17H23N3O
    2-(3-dimethylamino-propyl)-9-methyl-2,3,4,9-tetrahydro-β-carbolin-1-one
    —— 2-Methylmercapto-1,N<sup>6</sup>-aetheno-c-AMP 61265-41-6 C13H14N5O6PS
    2-Methylmercapto-1,N<sup>6</sup>-aetheno-c-AMP
    —— 2-(3-Morpholino-propyl)-7-trifluormethyl-2-aza-spiro<4.5>decan 21704-12-1 C17H29F3N2O
    2-(3-Morpholino-propyl)-7-trifluormethyl-2-aza-spiro<4.5>decan
    —— 2-((E)-3,7-Dimethyl-octa-2,6-dienyloxymethyl)-5-methyl-pyridine 55568-20-2 C17H25NO
    2-((E)-3,7-Dimethyl-octa-2,6-dienyloxymethyl)-5-methyl-pyridine
    —— 2-methyl-6-(2,5-dimethoxyanilino)purine 1096435-83-4 C14H15N5O2
    2-methyl-6-(2,5-dimethoxyanilino)purine
    —— 2-<i>p</i>-tolyl-benzooxazole-6-sulfonic acid amide 4763-99-9 C14H12N2O3S
    2-<i>p</i>-tolyl-benzooxazole-6-sulfonic acid amide
    —— 2-(cyanomethylthio)-2-mercapto-1,1-vinyldicarbonitrile potassium salt 60311-73-1 C6H2N3S2*K
    2-(cyanomethylthio)-2-mercapto-1,1-vinyldicarbonitrile potassium salt
    —— 2-[1-[3-[N-(diaminomethylideneamino)-C-methylcarbonimidoyl]-2-nitrophenyl]ethylideneamino]guanidine;hydrochloride 87533-40-2 C12H17N9O2*2ClH
    2-[1-[3-[N-(diaminomethylideneamino)-C-methylcarbonimidoyl]-2-nitrophenyl]ethylideneamino]guanidine;hydrochloride
    —— 2-(2,4-di-<i>tert</i>-pentyl-phenoxy)-5-nitro-benzoic acid-(3,5-dichloro-2-hydroxy-4-methyl-anilide) 115487-00-8 C30H34Cl2N2O5
    2-(2,4-di-<i>tert</i>-pentyl-phenoxy)-5-nitro-benzoic acid-(3,5-dichloro-2-hydroxy-4-methyl-anilide)
    —— [(2R)-3,3,3-trifluoro-2-[(4-methylphenyl)sulfanyl-phenylmethoxycarbonylamino]propyl] 2,2,2-trifluoroacetate 177268-10-9 C20H17F6NO4S
    [(2R)-3,3,3-trifluoro-2-[(4-methylphenyl)sulfanyl-phenylmethoxycarbonylamino]propyl] 2,2,2-trifluoroacetate
    —— 2-[N-benzyl((R)-1-cyclohexylethyl)amino]-(S)-1-phenoxyethanol 1372610-49-5 C24H33NO2
    2-[N-benzyl((R)-1-cyclohexylethyl)amino]-(S)-1-phenoxyethanol
    —— 2,8,14,20-tetrakis<2-(4-nitrophenyl)ethyl>pentacyclo<19.3.1.13,7.19,13.115,19>octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene-4,6,10,12,16,18,22,24-octol 118600-23-0 C60H52N4O16
    2,8,14,20-tetrakis<2-(4-nitrophenyl)ethyl>pentacyclo<19.3.1.13,7.19,13.115,19>octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene-4,6,10,12,16,18,22,24-octol
    —— [(2R,3R,4R,5R,6R)-2-(azidomethyl)-4-benzoyloxy-5-[[(2S)-3-(4-hydroxyphenyl)-2-[[(2S)-3-(4-hydroxyphenyl)-2-(prop-2-ynoylamino)propanoyl]amino]propanoyl]amino]-6-methoxyoxan-3-yl] benzoate 857351-81-6 C42H40N6O11
    [(2R,3R,4R,5R,6R)-2-(azidomethyl)-4-benzoyloxy-5-[[(2S)-3-(4-hydroxyphenyl)-2-[[(2S)-3-(4-hydroxyphenyl)-2-(prop-2-ynoylamino)propanoyl]amino]propanoyl]amino]-6-methoxyoxan-3-yl] benzoate
    —— 2-Iodo-3-p-toluenesulphonylmethacrylic anhydride 139449-96-0 C22H24I2O7S2
    2-Iodo-3-p-toluenesulphonylmethacrylic anhydride
    —— (2-isopropylsulfanyl-ethyl)-phenyl-malonic acid diethyl ester 101887-10-9 C18H26O4S
    (2-isopropylsulfanyl-ethyl)-phenyl-malonic acid diethyl ester
    —— 2-Bromethyl-tris-<propinyl-(2')oxy>-silan 37894-56-7 C11H13BrO3Si
    2-Bromethyl-tris-<propinyl-(2')oxy>-silan
    —— 2-(morpholine-4-carbonylamino)-benzoic acid allyl ester 21282-70-2 C15H18N2O4
    2-(morpholine-4-carbonylamino)-benzoic acid allyl ester
    —— (2S,3R,4S,5S,6S)-2-hydroxy-6-(piperidine-1-carbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1226981-23-2 C17H25NO9
    (2S,3R,4S,5S,6S)-2-hydroxy-6-(piperidine-1-carbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
    —— 2-<7-chloro-1-(2-chlorophenyl)-3-(diethylamino)-1,2-dihydro-1-hydroxy-2-naphthalenyl>-1H-isoindole-1,3(2H)-dione 81389-22-2 C28H24Cl2N2O3
    2-<7-chloro-1-(2-chlorophenyl)-3-(diethylamino)-1,2-dihydro-1-hydroxy-2-naphthalenyl>-1H-isoindole-1,3(2H)-dione
    —— 2-Phenyl-6-(pyridin-2-ylmethylsulfanyl)-imidazo[1,2-b]pyridazin-3-ol 122479-58-7 C18H14N4OS
    2-Phenyl-6-(pyridin-2-ylmethylsulfanyl)-imidazo[1,2-b]pyridazin-3-ol
    —— 2,4,6-triphenyl-3-methyl-4H-pyran 56709-96-7 C24H20O
    2,4,6-triphenyl-3-methyl-4H-pyran
    —— 2-amino-4,6-dihydroxy-5-(3,4-dichlorobenzamido)pyrimidine 1245317-52-5 C11H8Cl2N4O3
    2-amino-4,6-dihydroxy-5-(3,4-dichlorobenzamido)pyrimidine
    —— 2-((2-methylcyclopropyl)methoxy)-6-nitrobenzonitrile 1093206-96-2 C12H12N2O3
    2-((2-methylcyclopropyl)methoxy)-6-nitrobenzonitrile
    —— 2-(8-fluoro-2-{2-hydroxymethyl-3-[1-methyl-5-(5-methyl-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazin-2-ylamino)-6-oxo-1,6-dihydropyridazin-3-yl]phenyl}-1-oxo-1,2-dihydroisoquinolin-6-yl)-2-methylpropionitrile 1360055-74-8 C32H31FN8O3
    2-(8-fluoro-2-{2-hydroxymethyl-3-[1-methyl-5-(5-methyl-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazin-2-ylamino)-6-oxo-1,6-dihydropyridazin-3-yl]phenyl}-1-oxo-1,2-dihydroisoquinolin-6-yl)-2-methylpropionitrile
    —— 2-Cyclohexyloxy-chinolin-4-carbonsaeure-ethylester 10222-73-8 C18H21NO3
    2-Cyclohexyloxy-chinolin-4-carbonsaeure-ethylester
    —— 2-[3-(2-Nitro-4-trifluoromethyl-phenoxy)-phenoxy]-propan-1-ol 74672-92-7 C16H14F3NO5
    2-[3-(2-Nitro-4-trifluoromethyl-phenoxy)-phenoxy]-propan-1-ol
    —— <2,2,4,4-(2)H4>-3α,5-cyclo-5α-cholestan-6-one 77061-98-4 C27H44O
    <2,2,4,4-(2)H4>-3α,5-cyclo-5α-cholestan-6-one
    —— (2R,3S)-3-(4-fluorophenyl)-2-((2S,6S)-6-methyltetrahydro-2H-pyran-2-yl)-4-nitrobutan-1-ol 1417360-55-4 C16H22FNO4
    (2R,3S)-3-(4-fluorophenyl)-2-((2S,6S)-6-methyltetrahydro-2H-pyran-2-yl)-4-nitrobutan-1-ol
    —— 2-(2-Bromophenyl)-5-(2'-cyanoethyl)-4-[4'-(bromomethyl)[1,1']biphenyl-2-yl]-2,5-dihydro-1,2,3,5-thiatriazole-1-oxide 145004-99-5 C23H18Br2N4OS
    2-(2-Bromophenyl)-5-(2'-cyanoethyl)-4-[4'-(bromomethyl)[1,1']biphenyl-2-yl]-2,5-dihydro-1,2,3,5-thiatriazole-1-oxide
    —— 2-(2-methoxy-4-(4-methylpiperazin-1-yl)phenylamino)-8,11-dimethyl-5H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one 1234480-68-2 C25H29N7O2
    2-(2-methoxy-4-(4-methylpiperazin-1-yl)phenylamino)-8,11-dimethyl-5H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one
    —— 2-{4-[(2,4-Diamino-pteridin-7-ylmethyl)-methyl-amino]-benzoylamino}-succinic acid 65118-43-6 C19H20N8O5
    2-{4-[(2,4-Diamino-pteridin-7-ylmethyl)-methyl-amino]-benzoylamino}-succinic acid
    —— 2-{5-[5-(4-<i>tert</i>-butyl-phenyl)-[1,3,4]oxadiazol-2-yl]-thiophen-2-yl}-benzooxazole 1965-87-3 C23H19N3O2S
    2-{5-[5-(4-<i>tert</i>-butyl-phenyl)-[1,3,4]oxadiazol-2-yl]-thiophen-2-yl}-benzooxazole
    —— (2-Bromo-1,2-dimethylcyclopropyl)benzene 107432-61-1 C11H13Br
    (2-Bromo-1,2-dimethylcyclopropyl)benzene
    —— [2-((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoylamino)-2-methyl-propionylamino]-acetic acid benzyl ester 854008-75-6 C24H37N3O6
    [2-((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoylamino)-2-methyl-propionylamino]-acetic acid benzyl ester
    —— 2-(2-(4-(6-cyclobutoxypyrimidin-4-yl)piperazin-1-yl)-2-oxoethyl)-3,4-dihydroisoquinolin-1(2H)-one 1359734-35-2 C23H27N5O3
    2-(2-(4-(6-cyclobutoxypyrimidin-4-yl)piperazin-1-yl)-2-oxoethyl)-3,4-dihydroisoquinolin-1(2H)-one
    —— 2-((3-chlorocholesta-2,4,6-trien-2-yl)methylene)malononitrile 1364512-91-3 C31H41ClN2
    2-((3-chlorocholesta-2,4,6-trien-2-yl)methylene)malononitrile
    —— 2-[3-[4-[4-[7-[1-[3,4-Bis[3-(diaminomethylideneamino)propoxy]phenyl]triazol-4-yl]naphthalen-2-yl]triazol-1-yl]-2-[3-(diaminomethylideneamino)propoxy]phenoxy]propyl]guanidine 1443620-29-8 C42H54N18O4
    2-[3-[4-[4-[7-[1-[3,4-Bis[3-(diaminomethylideneamino)propoxy]phenyl]triazol-4-yl]naphthalen-2-yl]triazol-1-yl]-2-[3-(diaminomethylideneamino)propoxy]phenoxy]propyl]guanidine
    —— 2-Butyl-2-phenylsulfanyl-cyclobutanone 80404-72-4 C14H18OS
    2-Butyl-2-phenylsulfanyl-cyclobutanone
    —— 2-[Allyl-(2-bromo-phenyl)-carbamoyl]-piperidine-1-carboxylic acid tert-butyl ester 866456-24-8 C20H27BrN2O3
    2-[Allyl-(2-bromo-phenyl)-carbamoyl]-piperidine-1-carboxylic acid tert-butyl ester
    —— 22-nor-ajmala-1,19-dien-11-ol 23173-06-0 C19H20N2O
    22-nor-ajmala-1,19-dien-11-ol
    —— 2-(Methyl-octadecyl-amino)-phenol 54696-02-5 C25H45NO
    2-(Methyl-octadecyl-amino)-phenol
    —— 2-(Dodecyl-methyl-amino)-phenol 54696-00-3 C19H33NO
    2-(Dodecyl-methyl-amino)-phenol
    —— 2,2'-Dibrom-4,4'-bis(brommethyl)-3,3'-bithienyl 53584-78-4 C10H6Br4S2
    2,2'-Dibrom-4,4'-bis(brommethyl)-3,3'-bithienyl
    —— 2-Methyl-<4-<sup>2</sup>H(2)>but-2-enolid 53252-94-1 C5H6O2
    2-Methyl-<4-<sup>2</sup>H(2)>but-2-enolid