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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-amino-1,6-dihydro-7-methyl-8-azapurine 76357-42-1 C5H8N6
    2-amino-1,6-dihydro-7-methyl-8-azapurine
    —— [2,3-Dichloro-4-((E)-2-methyl-3-oxo-but-1-enyl)-phenoxy]-acetic acid 58422-20-1 C13H12Cl2O4
    [2,3-Dichloro-4-((E)-2-methyl-3-oxo-but-1-enyl)-phenoxy]-acetic acid
    —— 2-[6-(4-Methoxy-phenoxy)-pyridin-3-yl]-propionic acid 51362-89-1 C15H15NO4
    2-[6-(4-Methoxy-phenoxy)-pyridin-3-yl]-propionic acid
    —— 2-{2-[5-(4-Methoxy-phenyl)-[1,2]dithiol-(3E)-ylidene]-1-phenyl-ethylidene}-malononitrile 77432-18-9 C21H14N2OS2
    2-{2-[5-(4-Methoxy-phenyl)-[1,2]dithiol-(3E)-ylidene]-1-phenyl-ethylidene}-malononitrile
    —— 2-Methoxy-7,7-dimethyl-1,6-dioxa-spiro<4.4>nonen-(3) 21710-85-0 C10H16O3
    2-Methoxy-7,7-dimethyl-1,6-dioxa-spiro<4.4>nonen-(3)
    —— 2,4-Dinitro-N<sup>3</sup>-piperidin-1-yl-6-trifluoromethyl-benzene-1,3-diamine 52728-86-6 C12H14F3N5O4
    2,4-Dinitro-N<sup>3</sup>-piperidin-1-yl-6-trifluoromethyl-benzene-1,3-diamine
    —— 2,3-dideoxy-4,5:7,8-bis-O-isopropylidene-3-benzylamino-α-D-manno-3-octulofuranosonic acid methyl ester 493018-14-7 C22H31NO7
    2,3-dideoxy-4,5:7,8-bis-O-isopropylidene-3-benzylamino-α-D-manno-3-octulofuranosonic acid methyl ester
    —— (2-methyl-5-tert-butylphenyl) 2,7-di-O-benzyl-3-O-tert-butyldimethylsilyl-D-glycero-1,6-dithio-α-D-mannoheptopyranoside 1442422-56-1 C38H54O5S2Si
    (2-methyl-5-tert-butylphenyl) 2,7-di-O-benzyl-3-O-tert-butyldimethylsilyl-D-glycero-1,6-dithio-α-D-mannoheptopyranoside
    —— 2-(4-Fluorophenyl)-5-methylidene-8-methylsulfonyl-6,7-dihydrofuro[3,2-g]quinoline-3-carboxylic acid 1374233-13-2 C20H16FNO5S
    2-(4-Fluorophenyl)-5-methylidene-8-methylsulfonyl-6,7-dihydrofuro[3,2-g]quinoline-3-carboxylic acid
    —— 2-tert-butylbicyclo<3.2.1>oct-6-en-3-one 80423-04-7 C12H18O
    2-tert-butylbicyclo<3.2.1>oct-6-en-3-one
    —— 2-Bromo-11-chloro-7-fluoro-10,11-dihydrodibenzo<b,f>thiepin 80709-30-4 C14H9BrClFS
    2-Bromo-11-chloro-7-fluoro-10,11-dihydrodibenzo<b,f>thiepin
    —— 2-(4-chloro-3-(trifluoromethyl)phenylamino)-5-(2R,3R-O-isopropylidene-4R-tetrahydrofuro-2,3,4-triol-5S)-1,3,4-thiadiazole 1628180-91-5 C16H15ClF3N3O4S
    2-(4-chloro-3-(trifluoromethyl)phenylamino)-5-(2R,3R-O-isopropylidene-4R-tetrahydrofuro-2,3,4-triol-5S)-1,3,4-thiadiazole
    —— 2a,4a,6a-tris(4-phenoxyphenyl)-4a,6a-dihydro-2aH-pyrrolo[2,1,5-cd]pyrrolizine 1268359-09-6 C45H33NO3
    2a,4a,6a-tris(4-phenoxyphenyl)-4a,6a-dihydro-2aH-pyrrolo[2,1,5-cd]pyrrolizine
    —— 2,8-Dihydroxydecaethylcyclohexasiloxane 124911-21-3 C20H52O8Si6
    2,8-Dihydroxydecaethylcyclohexasiloxane
    —— 2-(benzyl(3-oxopropyl)amino)-6-((tert-butyldimethylsilyl)oxy)hexanenitrile 1058147-01-5 C22H36N2O2Si
    2-(benzyl(3-oxopropyl)amino)-6-((tert-butyldimethylsilyl)oxy)hexanenitrile
    —— 2-{2-{3-[1-(1,2,2a,3,4,5-hexahydroacenaphthylen-1-yl)piperidin-4-yl]-1,3-dihydro-2-oxobenzimidazol-1-yl}ethyl}isoindole-1,3-dione 1055321-59-9 C34H34N4O3
    2-{2-{3-[1-(1,2,2a,3,4,5-hexahydroacenaphthylen-1-yl)piperidin-4-yl]-1,3-dihydro-2-oxobenzimidazol-1-yl}ethyl}isoindole-1,3-dione
    —— 2,5-anhydro-3,4-di-O-benzyl-1-deoxy-1-diphenoxyphosphinoyl-D-mannitol 115149-88-7 C32H33O7P
    2,5-anhydro-3,4-di-O-benzyl-1-deoxy-1-diphenoxyphosphinoyl-D-mannitol
    —— (2S)-3-{4-[2-(3,4,5,6-tetrahydropyrimidin-2-ylamino)ethoxy]benzoyl}-2-{2-[2-(tert-butoxycarbonylamino)ethoxycarbonylamino]ethylsulfonylamino}propionic acid 856244-26-3 C26H41N7O10S
    (2S)-3-{4-[2-(3,4,5,6-tetrahydropyrimidin-2-ylamino)ethoxy]benzoyl}-2-{2-[2-(tert-butoxycarbonylamino)ethoxycarbonylamino]ethylsulfonylamino}propionic acid
    —— 2-{[(2-{[(1S)-2-(1H-Imidazol-1-yl)-1-phenylethyl]oxy}-5-oxo-5,6,7,8-tetrahydro-1-naphthalenyl)methyl]sulfonyl}-N-(2-propynyl)benzamide 368882-29-5 C32H29N3O5S
    2-{[(2-{[(1S)-2-(1H-Imidazol-1-yl)-1-phenylethyl]oxy}-5-oxo-5,6,7,8-tetrahydro-1-naphthalenyl)methyl]sulfonyl}-N-(2-propynyl)benzamide
    —— 2-(2-hydroxy-naphthalen-1-yl)-4-(toluene-4-sulfonylimino)-cyclohexa-2,5-dienone 31536-10-4 C23H17NO4S
    2-(2-hydroxy-naphthalen-1-yl)-4-(toluene-4-sulfonylimino)-cyclohexa-2,5-dienone
    —— 2H-chromen-4-yl 2,2,2-trifluoroacetate 1408247-08-4 C11H7F3O3
    2H-chromen-4-yl 2,2,2-trifluoroacetate
    —— 2-(3-butylhept-2-en-1-yl)-N-methoxybenzamide-3,4,5,6-d4 1380546-80-4 C19H29NO2
    2-(3-butylhept-2-en-1-yl)-N-methoxybenzamide-3,4,5,6-d4
    —— ((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-2-methoxy-3,4,5,6-tetrahydro-2H-pyran-6-yl)methyl (4-oxo-3-phenyl-4H-1,1-dioxothiochromen-2-yl)methylcarbonate 1033736-71-8 C30H30O14S
    ((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-2-methoxy-3,4,5,6-tetrahydro-2H-pyran-6-yl)methyl (4-oxo-3-phenyl-4H-1,1-dioxothiochromen-2-yl)methylcarbonate
    —— 2-Cyclohex-2-enyl-2-((E)-penta-2,4-dienyl)-malonic acid dimethyl ester 180589-90-6 C16H22O4
    2-Cyclohex-2-enyl-2-((E)-penta-2,4-dienyl)-malonic acid dimethyl ester
    —— 2-(1-Propan-2-ylpyrrolidin-3-yl)ethanamine;hydrochloride 1803586-79-9 C9H21ClN2
    2-(1-Propan-2-ylpyrrolidin-3-yl)ethanamine;hydrochloride
    —— 2-[4-(5-chloro-1,3-benzothiazol-2-yl)piperidin-1-yl]-N-(3-fluorophenyl)-5-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-4-amine 1146358-05-5 C24H21ClFN5OS2
    2-[4-(5-chloro-1,3-benzothiazol-2-yl)piperidin-1-yl]-N-(3-fluorophenyl)-5-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-4-amine
    —— 2-Ethoxy-1-methyl-3,4-bis-methoxycarbonyl-1H-1-benzazepin 14186-62-0 C17H19NO5
    2-Ethoxy-1-methyl-3,4-bis-methoxycarbonyl-1H-1-benzazepin
    —— 2-(3-Chlor-<1>isochinolyl)-malonsaeure-diethylester 15787-10-7 C16H16ClNO4
    2-(3-Chlor-<1>isochinolyl)-malonsaeure-diethylester
    —— 2-Methyl-3-(2-carboxy-benzyl)-indol 108973-41-7 C17H15NO2
    2-Methyl-3-(2-carboxy-benzyl)-indol
    —— 2-methoxy-5-{2-[(6-methoxypyridin-3-yl)amino]pyrimidin-4-yl}benzonitrile 1403247-91-5 C18H15N5O2
    2-methoxy-5-{2-[(6-methoxypyridin-3-yl)amino]pyrimidin-4-yl}benzonitrile
    —— 2-(3-chloro-7-(methyl(5-methylpyrimidin-2-yl)amino)-6,7,8,9-tetrahydropyrido[1,2-a]indol-10-yl)acetic acid 1403367-25-8 C20H21ClN4O2
    2-(3-chloro-7-(methyl(5-methylpyrimidin-2-yl)amino)-6,7,8,9-tetrahydropyrido[1,2-a]indol-10-yl)acetic acid
    —— 2-Chloro-5-(difluoromethoxy)-4'-(trifluoromethyl)-1,1'-biphenyl 1261823-80-6 C14H8ClF5O
    2-Chloro-5-(difluoromethoxy)-4'-(trifluoromethyl)-1,1'-biphenyl
    —— (2R,3S)-3-ethyl-6-(4-methoxybenzyloxy)-4-hexyne-1,2-diol 943144-56-7 C16H22O4
    (2R,3S)-3-ethyl-6-(4-methoxybenzyloxy)-4-hexyne-1,2-diol
    —— [(2R,3S,4aR,6R,8S,8aS)-8-Benzyloxy-6-(3-benzyloxy-propyl)-2-methyl-3-triethylsilanyloxy-octahydro-pyrano[3,2-b]pyran-2-yl]-methanol 189348-21-8 C33H50O6Si
    [(2R,3S,4aR,6R,8S,8aS)-8-Benzyloxy-6-(3-benzyloxy-propyl)-2-methyl-3-triethylsilanyloxy-octahydro-pyrano[3,2-b]pyran-2-yl]-methanol
    —— 2,3,10-trimethyl-5H-pyrido<1,2-a>pyrimido<4,5-d>pyrimidinium perchlorate 86045-99-0 C13H15N4*ClO4
    2,3,10-trimethyl-5H-pyrido<1,2-a>pyrimido<4,5-d>pyrimidinium perchlorate
    —— 2-(pyrrolidin-3-yl)-1H-benzo[d]imidazole dihydrochloride 21756-56-9 C11H15Cl2N3
    2-(pyrrolidin-3-yl)-1H-benzo[d]imidazole dihydrochloride
    —— 2,6-di-t-butyl-4-dimethylamino-2<(2E)-4-methylpenta-2,4-dienyl>cyclohexa-3,5-dienone 50998-95-3 C22H35NO
    2,6-di-t-butyl-4-dimethylamino-2<(2E)-4-methylpenta-2,4-dienyl>cyclohexa-3,5-dienone
    —— 2-(3-fluoro-benzoyl)-1,2,3,6,7,11b-hexahydro-pyrazino[2,1-<i>a</i>]isoquinolin-4-one 94508-52-8 C19H17FN2O2
    2-(3-fluoro-benzoyl)-1,2,3,6,7,11b-hexahydro-pyrazino[2,1-<i>a</i>]isoquinolin-4-one
    —— 2,6-Bis-<(5-methyl-2-isopropyl-phenyl)-aminomethyl>-thymol 105520-98-7 C32H44N2O
    2,6-Bis-<(5-methyl-2-isopropyl-phenyl)-aminomethyl>-thymol
    —— 2-Isopropyloxy-4-<2-methyl-phenylmercapto>-6-methyl-pyrimidin 92870-02-5 C15H18N2OS
    2-Isopropyloxy-4-<2-methyl-phenylmercapto>-6-methyl-pyrimidin
    —— 2-(1-ethyl-pentyl)-3-phenyl-thiazolidine 101450-82-2 C16H25NS
    2-(1-ethyl-pentyl)-3-phenyl-thiazolidine
    —— 2-methoxybenzoylthiocholine iodide 110386-89-5 C13H20NO2S*I
    2-methoxybenzoylthiocholine iodide
    —— 2,2,2-trichloroethyl 7α-ethoxy-3-methylenecepham S-oxide 109706-97-0 C12H14Cl3NO5S
    2,2,2-trichloroethyl 7α-ethoxy-3-methylenecepham S-oxide
    —— 2-iodo-9,9'-spirobi[fluorene] 1587718-05-5 C25H15I
    2-iodo-9,9'-spirobi[fluorene]
    —— 2-[2-((tert-butyl)diphenylsilanyloxy)ethyl]-1-(toluene-4-sulfonyl)-1,2,3,4-tetrahydropyridine 1334404-45-3 C30H37NO3SSi
    2-[2-((tert-butyl)diphenylsilanyloxy)ethyl]-1-(toluene-4-sulfonyl)-1,2,3,4-tetrahydropyridine
    —— 2-(1,3-Dithiolan-2-yl)-4-methoxyphenol 80210-54-4 C10H12O2S2
    2-(1,3-Dithiolan-2-yl)-4-methoxyphenol
    —— 2-[4-(5-carboxy-2-morpholin-4-ylbenzyloxy)-2-fluorophenyl]-1-cyclohexyl-1H-benzimidazole-5-carboxylic acid methyl ester 943513-22-2 C33H34FN3O6
    2-[4-(5-carboxy-2-morpholin-4-ylbenzyloxy)-2-fluorophenyl]-1-cyclohexyl-1H-benzimidazole-5-carboxylic acid methyl ester
    —— 2-[(N'-Acetyl-hydrazino)-imino-methyl]-1-p-tolyl-isothiourea; hydrochloride 75116-80-2 C11H15N5OS*2ClH
    2-[(N'-Acetyl-hydrazino)-imino-methyl]-1-p-tolyl-isothiourea; hydrochloride
    —— <2-Hydroxy-3-(β-naphthyl-carbamoyl)-naphthalin>-<1azo1>-(2-phthalimidobenzol) 117874-86-9 C35H22N4O4
    <2-Hydroxy-3-(β-naphthyl-carbamoyl)-naphthalin>-<1azo1>-(2-phthalimidobenzol)
    —— 2-<3-Morpholinyl-propyl-amino>-4,6-dihydroxy-pyrimidin 103907-69-3 C11H18N4O3
    2-<3-Morpholinyl-propyl-amino>-4,6-dihydroxy-pyrimidin