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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,5-dimethoxy-2,5-dimethyltetrahydrothiophen 103941-93-1 C8H16O2S
    2,5-dimethoxy-2,5-dimethyltetrahydrothiophen
    —— 2-Diphenylphosphinomethyl-2'-dicyclohexylphosphinomethyl-1,1'-binaphthyl 177177-97-8 C46H48P2
    2-Diphenylphosphinomethyl-2'-dicyclohexylphosphinomethyl-1,1'-binaphthyl
    —— (2R,3R,4S,5R,6S)-4,5-Bis-benzyloxy-2-[(1S,2R)-2-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-1,3-dimethyl-butyl]-6-methoxy-tetrahydro-pyran-3-ol 110045-91-5 C32H50O7Si
    (2R,3R,4S,5R,6S)-4,5-Bis-benzyloxy-2-[(1S,2R)-2-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-1,3-dimethyl-butyl]-6-methoxy-tetrahydro-pyran-3-ol
    —— (2S,3S)-2-methyl-3-phenyl-2-[(Z)-prop-1-enyl]oxirane 1101861-58-8 C12H14O
    (2S,3S)-2-methyl-3-phenyl-2-[(Z)-prop-1-enyl]oxirane
    —— 2-(N-(2-((tert-butoxy)carbonylamino)ethyl)-2-(5-acetylamino-1,3-dioxo-1H-benz[de]isoquinoline-2(3H))acetylamino)acetic acid 439913-34-5 C25H28N4O8
    2-(N-(2-((tert-butoxy)carbonylamino)ethyl)-2-(5-acetylamino-1,3-dioxo-1H-benz[de]isoquinoline-2(3H))acetylamino)acetic acid
    —— 2-(4-acetoxy-butyl)-2,3-dihydro-benzo[e][1,3]oxazin-4-one 92246-40-7 C14H17NO4
    2-(4-acetoxy-butyl)-2,3-dihydro-benzo[e][1,3]oxazin-4-one
    —— 2,5-dimethyl-7-<(β-methoxyethoxy)methoxy>-chromone 104783-91-7 C15H18O5
    2,5-dimethyl-7-<(β-methoxyethoxy)methoxy>-chromone
    —— 2-methyl-2,3,4,4a,9,9a-hexahydro-3,9-methano-1H-indeno-<2,1-c>pyridine 106932-76-7 C14H17N*ClH
    2-methyl-2,3,4,4a,9,9a-hexahydro-3,9-methano-1H-indeno-<2,1-c>pyridine
    —— (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(((2R,3S,4R,5R,6R)-3,4-bis(benzoyloxy)-6-(dodecyloxy)-5-hydroxytetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 663622-51-3 C61H68O17
    (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(((2R,3S,4R,5R,6R)-3,4-bis(benzoyloxy)-6-(dodecyloxy)-5-hydroxytetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate
    —— 2-[4-(N-tert-butyloxycarbonyl-N-methyl)-amino-5-(4-chlorophenyl)-pent-2-enyl]-1,3-dioxane 182492-61-1 C21H30ClNO4
    2-[4-(N-tert-butyloxycarbonyl-N-methyl)-amino-5-(4-chlorophenyl)-pent-2-enyl]-1,3-dioxane
    —— 2,6-Octadienal, 8-hydroxy-2,6-dimethyl-, (Z,E)- 38290-51-6 C10H16O2
    2,6-Octadienal, 8-hydroxy-2,6-dimethyl-, (Z,E)-
    —— 2-ethoxy-4-benzo[1,3]dioxol-5-yl-3,4-dihydro-2H-indeno[1,2-b]pyran-5-one 114330-38-0 C21H18O5
    2-ethoxy-4-benzo[1,3]dioxol-5-yl-3,4-dihydro-2H-indeno[1,2-b]pyran-5-one
    —— 2-phenyl-4,7,10,13,16,19,22-heptaoxa-2-phospha-1,3(2,6)-dipyridina-cyclodocosaphane 68469-75-0 C28H35N2O7P
    2-phenyl-4,7,10,13,16,19,22-heptaoxa-2-phospha-1,3(2,6)-dipyridina-cyclodocosaphane
    —— 2-(2-chloro-6-fluorophenyl)-1-morpholin-4-yl-2-phenylethanone 81838-46-2 C18H17ClFNO2
    2-(2-chloro-6-fluorophenyl)-1-morpholin-4-yl-2-phenylethanone
    —— (2R,4aR,6S,7R,8S,8aR)-6-methoxy-8-((methoxycarbonyl)oxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate 1202384-88-0 C23H24O9
    (2R,4aR,6S,7R,8S,8aR)-6-methoxy-8-((methoxycarbonyl)oxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate
    —— (2S,9S,10S,11R,14S)-ethyl-10,14-bis(tert-butyldimethylsilyloxy)-2-(1,2-dimethyl-1H-benzo[d]imidazol-5-yl)-9,11,13,13-tetramethyl-12,16-dioxo-1-oxa-5-azacyclohexa-decane-5-carboxylate 914456-01-2 C42H73N3O7Si2
    (2S,9S,10S,11R,14S)-ethyl-10,14-bis(tert-butyldimethylsilyloxy)-2-(1,2-dimethyl-1H-benzo[d]imidazol-5-yl)-9,11,13,13-tetramethyl-12,16-dioxo-1-oxa-5-azacyclohexa-decane-5-carboxylate
    —— 2-amino-3,3',5,5'-tetrafluorobenzophenone 114995-65-2 C13H7F4NO
    2-amino-3,3',5,5'-tetrafluorobenzophenone
    —— 2,2-dimethyl-5-(7-methyl-phenothiazin-3-ylidene)-[1,3]dioxane-4,6-dione 30065-85-1 C19H15NO4S
    2,2-dimethyl-5-(7-methyl-phenothiazin-3-ylidene)-[1,3]dioxane-4,6-dione
    —— (2-fluoro-5-(trifluoromethyl)phenyl)hydrazine hydrochloride 1092958-56-9 C7H6F4N2*ClH
    (2-fluoro-5-(trifluoromethyl)phenyl)hydrazine hydrochloride
    —— 2-(2-(1,3-dioxolan-2-yl)phenyl)-1,2-diphenylethanone 1491841-71-4 C23H20O3
    2-(2-(1,3-dioxolan-2-yl)phenyl)-1,2-diphenylethanone
    —— 2-(4-biphenylyl)-4'-iodobiphenyl 78486-87-0 C24H17I
    2-(4-biphenylyl)-4'-iodobiphenyl
    —— 2-Isopropoxy-6-nitrophenylessigsaeure 28148-31-4 C11H13NO5
    2-Isopropoxy-6-nitrophenylessigsaeure
    —— 2,3-O-isopropylidene-5'-O-(triisopropylsilyl)uridin-6-yl-(6->7'-C)-9-(6,7-dideoxy-2,3-O-isopropylidene-β-D-allo-hept-6-ynofuranosyl)adenine 928034-72-4 C36H51N7O10Si
    2,3-O-isopropylidene-5'-O-(triisopropylsilyl)uridin-6-yl-(6->7'-C)-9-(6,7-dideoxy-2,3-O-isopropylidene-β-D-allo-hept-6-ynofuranosyl)adenine
    —— 2-Methylmercapto-3-methyl-acetophenon 24852-83-3 C10H12OS
    2-Methylmercapto-3-methyl-acetophenon
    —— 2-(3-Methylbut-2-enoyl)-6-methoxy-1-tetralon 26598-81-2 C16H18O3
    2-(3-Methylbut-2-enoyl)-6-methoxy-1-tetralon
    —— (2S)-2-amino-3-(2-aminoethylsulfanyl)propanoic acid;hydrochloride 149572-98-5 C5H13ClN2O2S
    (2S)-2-amino-3-(2-aminoethylsulfanyl)propanoic acid;hydrochloride
    —— (2S,3R)-tert-butyl-3-phenyl-2-(trifluoromethyl)-piperazine-1-carboxylate 1612891-51-6 C16H21F3N2O2
    (2S,3R)-tert-butyl-3-phenyl-2-(trifluoromethyl)-piperazine-1-carboxylate
    —— 2-Carboxymethylmercapto-2-propyl-pentansaeureamid 99176-73-5 C10H19NO3S
    2-Carboxymethylmercapto-2-propyl-pentansaeureamid
    —— 2-(piperidin-1-yl)-5-(furan-2-yl)-1,3,4-oxadiazole 1352834-51-5 C11H13N3O2
    2-(piperidin-1-yl)-5-(furan-2-yl)-1,3,4-oxadiazole
    —— 2-phenyl-2-(4'-pyridylamino)-1,1,1-trichloroethane 131947-23-4 C13H11Cl3N2
    2-phenyl-2-(4'-pyridylamino)-1,1,1-trichloroethane
    —— 2-iodo-6-methoxy-4-(4,5-diphenyl-1H-imidazol-2-yl)phenol 749786-74-1 C22H17IN2O2
    2-iodo-6-methoxy-4-(4,5-diphenyl-1H-imidazol-2-yl)phenol
    —— 2-methoxy-5-(2-phenylquinazolin-4-ylamino)phenol 896724-56-4 C21H17N3O2
    2-methoxy-5-(2-phenylquinazolin-4-ylamino)phenol
    —— 2,5-Dimethoxy-4-methyl-α-isonitrosopropiophenon 29348-17-2 C12H15NO4
    2,5-Dimethoxy-4-methyl-α-isonitrosopropiophenon
    —— [2-Methoxy-4-((E)-propenyl)-phenoxy]-acetic acid 2,5-dioxo-pyrrolidin-1-yl ester 93799-45-2 C16H17NO6
    [2-Methoxy-4-((E)-propenyl)-phenoxy]-acetic acid 2,5-dioxo-pyrrolidin-1-yl ester
    —— 2-amino-2-phosphoryloxymethyl-6-(4-(4-octylphenyl)phenyl)hexanol 845550-27-8 C27H42NO5P
    2-amino-2-phosphoryloxymethyl-6-(4-(4-octylphenyl)phenyl)hexanol
    —— 2-(methoxyamino)quinazolin-4-amine 1092080-47-1 C9H10N4O
    2-(methoxyamino)quinazolin-4-amine
    —— 2-Methyl-1-phenyl-3-(4'-pyridylamino)propan-1-ol 72945-07-4 C15H18N2O
    2-Methyl-1-phenyl-3-(4'-pyridylamino)propan-1-ol
    —— 2-(2-amino-ethoxymethyl)-4-(2-fluoro-phenyl)-7-isopropyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylic acid ethyl ester 848586-56-1 C24H31FN2O4
    2-(2-amino-ethoxymethyl)-4-(2-fluoro-phenyl)-7-isopropyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylic acid ethyl ester
    —— 2-Methoxy-4-(cyclopropylmethyl)phenyl acetate 81480-46-8 C13H16O3
    2-Methoxy-4-(cyclopropylmethyl)phenyl acetate
    —— 2,2-Dimethyl-propionic acid (2R,3S,4R,5R,6S)-2-{[(S)-(diethoxy-phosphoryl)-furan-2-yl-methyl]-amino}-3,5-bis-(2,2-dimethyl-propionyloxy)-6-methyl-tetrahydro-pyran-4-yl ester 141331-18-2 C30H50NO11P
    2,2-Dimethyl-propionic acid (2R,3S,4R,5R,6S)-2-{[(S)-(diethoxy-phosphoryl)-furan-2-yl-methyl]-amino}-3,5-bis-(2,2-dimethyl-propionyloxy)-6-methyl-tetrahydro-pyran-4-yl ester
    —— 2,2-dimethyl-4-oxo-4-{4'-[(phenoxyacetyl)amino]biphenyl-4-yl}butanoic acid 913353-55-6 C26H25NO5
    2,2-dimethyl-4-oxo-4-{4'-[(phenoxyacetyl)amino]biphenyl-4-yl}butanoic acid
    —— 2-chloro-6-(3-chloroanilino)-8-azapyrine 663885-61-8 C10H6Cl2N6
    2-chloro-6-(3-chloroanilino)-8-azapyrine
    —— 2-Azocinemethanol, 1-benzoyloctahydro-2-(phenylmethyl)-, (R)- 139518-78-8 C22H27NO2
    2-Azocinemethanol, 1-benzoyloctahydro-2-(phenylmethyl)-, (R)-
    —— 2,9,16,23-tetrakis(5-(phenylamino)methyl-8-quinolinoxy)-phthalocyanine 1332716-68-3 C96H66N16O4
    2,9,16,23-tetrakis(5-(phenylamino)methyl-8-quinolinoxy)-phthalocyanine
    —— 2-[(2R,5S)-6-ethoxy-2,3,4,5-tetrahydro-5-isopropyl-2-methyl-3-oxopyrazin-2-yl]-N-[3-((2R,5S)-6-ethoxy-2,3,4,5-tetrahydro-5-isopropyl-2-methyl-3-oxopyrazin-2-yl)propyl]acetamide 1005192-69-7 C25H43N5O5
    2-[(2R,5S)-6-ethoxy-2,3,4,5-tetrahydro-5-isopropyl-2-methyl-3-oxopyrazin-2-yl]-N-[3-((2R,5S)-6-ethoxy-2,3,4,5-tetrahydro-5-isopropyl-2-methyl-3-oxopyrazin-2-yl)propyl]acetamide
    —— (2-Amino-5-bromo-phenyl)-(2-chloro-4-hydroxy-5-methoxy-phenyl)-methanone 87877-64-3 C14H11BrClNO3
    (2-Amino-5-bromo-phenyl)-(2-chloro-4-hydroxy-5-methoxy-phenyl)-methanone
    —— 2-(3-Dimethylcarbamoylmethyl-1H-indol-2-yl)-4,4-dimethyl-3-oxo-pentanoic acid methyl ester 99619-42-8 C20H26N2O4
    2-(3-Dimethylcarbamoylmethyl-1H-indol-2-yl)-4,4-dimethyl-3-oxo-pentanoic acid methyl ester
    —— (2-(N-dibenzylamino)-4-phenylbuta-1,3-diene)tricaronyliron(0) 326905-25-3 C27H23FeNO3
    (2-(N-dibenzylamino)-4-phenylbuta-1,3-diene)tricaronyliron(0)
    —— 2,2,4-Trichlor-4-fluor-1,3-dithietan-1,1-oxid 128945-47-1 C2Cl3FO2S2
    2,2,4-Trichlor-4-fluor-1,3-dithietan-1,1-oxid
    —— 2-oxatetracyclo<6.5.0<sup>3,7</sup>.0<sup>5,13</sup>>trideca-9,11-dien-1-ol 137237-39-9 C12H14O2
    2-oxatetracyclo<6.5.0<sup>3,7</sup>.0<sup>5,13</sup>>trideca-9,11-dien-1-ol