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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-amino-4-phenyl-thiazole-5-sulfonic acid anilide 41535-49-3 C15H13N3O2S2
    2-amino-4-phenyl-thiazole-5-sulfonic acid anilide
    —— 2-Acetamido-2-deoxy-4,6-O-isopropyliden-D-mannono-1,5-lacton 53684-96-1 C11H17NO6
    2-Acetamido-2-deoxy-4,6-O-isopropyliden-D-mannono-1,5-lacton
    —— 2-[1,3]dithian-2-ylidene-1-phenyl-ethanethione 49696-37-9 C12H12S3
    2-[1,3]dithian-2-ylidene-1-phenyl-ethanethione
    —— 2-(4-acetyl-2,2-dimethyl-5-oxo-tetrahydro-furan-3-yl)-3-oxo-butyric acid ethyl ester 51716-59-7 C14H20O6
    2-(4-acetyl-2,2-dimethyl-5-oxo-tetrahydro-furan-3-yl)-3-oxo-butyric acid ethyl ester
    —— 2-(4-methoxy-phenyl)-3,5,7-trimethyl-2,3-dihydro-pyrano[2,3-<i>b</i>]pyridin-4-one 53269-13-9 C18H19NO3
    2-(4-methoxy-phenyl)-3,5,7-trimethyl-2,3-dihydro-pyrano[2,3-<i>b</i>]pyridin-4-one
    —— 2-(carboxymethyl-amino)-8-ethyl-5-oxo-5,8-dihydro-pyrido[2,3-<i>d</i>]pyrimidine-6-carboxylic acid 55694-42-3 C12H12N4O5
    2-(carboxymethyl-amino)-8-ethyl-5-oxo-5,8-dihydro-pyrido[2,3-<i>d</i>]pyrimidine-6-carboxylic acid
    —— 2-(1(2)<i>H</i>-indazol-3-ylhydrazono)-3-oxo-butyric acid ethyl ester 51271-54-6 C13H14N4O3
    2-(1(2)<i>H</i>-indazol-3-ylhydrazono)-3-oxo-butyric acid ethyl ester
    —— 2-amino-5-benzhydryl-6-chloro-3<i>H</i>-pyrimidin-4-one 50259-30-8 C17H14ClN3O
    2-amino-5-benzhydryl-6-chloro-3<i>H</i>-pyrimidin-4-one
    —— 2-Benzoyl-3-hydroxymethyl-chinoxalin 53326-85-5 C16H12N2O2
    2-Benzoyl-3-hydroxymethyl-chinoxalin
    —— 2-methyl-5-nitro-4<i>H</i>-benzo[1,3]dioxine 57356-45-3 C9H9NO4
    2-methyl-5-nitro-4<i>H</i>-benzo[1,3]dioxine
    —— 2-Acetamido-3-(o-fluorbenzoyl)-5-nitrothiophen 56444-76-9 C13H9FN2O4S
    2-Acetamido-3-(o-fluorbenzoyl)-5-nitrothiophen
    —— 2-methyl-5-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-benzonitrile 52239-94-8 C12H11N3O
    2-methyl-5-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-benzonitrile
    —— 2-N-Acrylamido-1,4-dihydroxy-anthrachinon 57038-05-8 C17H11NO5
    2-N-Acrylamido-1,4-dihydroxy-anthrachinon
    —— 2,3,4,5,6-Pentafluor-4-pentafluorbenzoyloxy-cyclohexadien-(2,5)-on-(1) 60067-73-4 C13F10O3
    2,3,4,5,6-Pentafluor-4-pentafluorbenzoyloxy-cyclohexadien-(2,5)-on-(1)
    —— [2-(4-Adamantan-1-yl-phenyl)-ethyl]-diethoxy-methyl-silane 62266-98-2 C23H36O2Si
    [2-(4-Adamantan-1-yl-phenyl)-ethyl]-diethoxy-methyl-silane
    —— 2-acetyl-1,9-dibenzylpurin-6-one 883977-31-9 C21H18N4O2
    2-acetyl-1,9-dibenzylpurin-6-one
    —— 2-Methoxy-4-[2-(3-methoxy-4-methyl-benzylamino)-ethyl]-phenol 107044-60-0 C18H23NO3
    2-Methoxy-4-[2-(3-methoxy-4-methyl-benzylamino)-ethyl]-phenol
    —— 2,2-dimethyl-propionic acid 2S-(3-carbamoyl-[1,2,4]triazol-1-yl)-4S-(3-hydroxy-1,1,3,3-tetraisopropyl-1,3-disiloxanyloxy)-5S-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-furan-3S-yl ester 705930-37-6 C30H56N4O9Si2
    2,2-dimethyl-propionic acid 2S-(3-carbamoyl-[1,2,4]triazol-1-yl)-4S-(3-hydroxy-1,1,3,3-tetraisopropyl-1,3-disiloxanyloxy)-5S-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-furan-3S-yl ester
    —— 2-[(4S,5S,8S,10S,11R,13R,14S,16R)-11,16-Dihydroxy-4,8,10,14-tetramethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-6-methyl-hept-5-enoic acid methyl ester 59700-25-3 C30H46O5
    2-[(4S,5S,8S,10S,11R,13R,14S,16R)-11,16-Dihydroxy-4,8,10,14-tetramethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-6-methyl-hept-5-enoic acid methyl ester
    —— 2-(4,4'-Diphenoxybenzhydryl)-3-chinuclidinon 52321-69-4 C32H29NO3
    2-(4,4'-Diphenoxybenzhydryl)-3-chinuclidinon
    —— 2-(2-chloro-ethoxy)-1-iodo-propane 42177-28-6 C5H10ClIO
    2-(2-chloro-ethoxy)-1-iodo-propane
    —— 2-<2'-Chloraethyl>-fluoren 92434-83-8 C15H13Cl
    2-<2'-Chloraethyl>-fluoren
    —— 2-(N-methylformamido)-N-phenylbenzamide 52462-89-2 C15H14N2O2
    2-(N-methylformamido)-N-phenylbenzamide
    —— 2-<9-(ethylamino)-n-nonyl>-1,4,7,10,13,16-hexaoxacylooctadecane 61013-89-6 C23H47NO6
    2-<9-(ethylamino)-n-nonyl>-1,4,7,10,13,16-hexaoxacylooctadecane
    —— (2S,3S,4R,5R,6R)-2,6-diallyl-4-(benzyloxy)-tetrahydro-2H-pyran-3,5-diyl diacetate 1093240-17-5 C22H28O6
    (2S,3S,4R,5R,6R)-2,6-diallyl-4-(benzyloxy)-tetrahydro-2H-pyran-3,5-diyl diacetate
    —— (2E,5E)-6-(3,4-dimethoxyphenyl)-4-oxohexa-2,5-dienoic acid 1029697-47-9 C14H14O5
    (2E,5E)-6-(3,4-dimethoxyphenyl)-4-oxohexa-2,5-dienoic acid
    —— 2-[(4-methoxyphenylamino)methyl]-4-phenylcyclohexanone 1284230-07-4 C20H23NO2
    2-[(4-methoxyphenylamino)methyl]-4-phenylcyclohexanone
    —— 2,2'-(5-methyl-benzo[1,2,5]selenadiazol-4-ylazanediyl)-bis-ethanol 1753-13-5 C11H15N3O2Se
    2,2'-(5-methyl-benzo[1,2,5]selenadiazol-4-ylazanediyl)-bis-ethanol
    —— 2-[3-(2-Methylphenyl)propyl]pyridine 85868-38-8 C15H17N
    2-[3-(2-Methylphenyl)propyl]pyridine
    —— 2-ethyl-3-(4-isopropoxyphenyl)-5-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-6-propylpyrimidin-4(3H)-one 1028716-88-2 C33H34N4O4
    2-ethyl-3-(4-isopropoxyphenyl)-5-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-6-propylpyrimidin-4(3H)-one
    —— 2-Amino-3-[(2-hydroxy-3-methoxyphenyl)methylideneamino]but-2-enedinitrile 914636-57-0 C12H10N4O2
    2-Amino-3-[(2-hydroxy-3-methoxyphenyl)methylideneamino]but-2-enedinitrile
    —— 2-Naphthalenecarboxamide, 3-hydroxy-4-[[4-[6-[[2-hydroxy-3-[[(4-methylphenyl)amino]carbonyl]-1-naphthalenyl]azo]-2-benzoxazolyl]phenyl]azo]-N-(4-methylphenyl)-(9CI) 90053-95-5 C49H35N7O5
    2-Naphthalenecarboxamide, 3-hydroxy-4-[[4-[6-[[2-hydroxy-3-[[(4-methylphenyl)amino]carbonyl]-1-naphthalenyl]azo]-2-benzoxazolyl]phenyl]azo]-N-(4-methylphenyl)-(9CI)
    —— (2S,3S,4S,5S,6R)-2-(2-Azido-ethoxy)-6-trityloxymethyl-tetrahydro-pyran-3,4,5-triol 155197-00-5 C27H29N3O6
    (2S,3S,4S,5S,6R)-2-(2-Azido-ethoxy)-6-trityloxymethyl-tetrahydro-pyran-3,4,5-triol
    —— 2-(2-furyl)-3-methyl-3H-imidazo[4,5-f]quinoline 42143-08-8 C15H11N3O
    2-(2-furyl)-3-methyl-3H-imidazo[4,5-f]quinoline
    —— 2-(4-pyridazinyl)-3-dimethylaminoacroleine 125375-21-5 C9H11N3O
    2-(4-pyridazinyl)-3-dimethylaminoacroleine
    —— 2-[2-(2-chloro-ethoxy)-ethoxy]-1-iodo-propane 42070-20-2 C7H14ClIO2
    2-[2-(2-chloro-ethoxy)-ethoxy]-1-iodo-propane
    —— (2Z)-6-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenylsilyloxy)-2-hexene 307497-57-0 C28H44O2Si2
    (2Z)-6-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenylsilyloxy)-2-hexene
    —— (2S)-2-acetamido-N-tert-butyl-3-hydroxypropanamide 154094-52-7 C9H18N2O3
    (2S)-2-acetamido-N-tert-butyl-3-hydroxypropanamide
    —— 2-(1H-indol-4-yloxy)-4-(4-((4'-chloro-4-(2-(pyrrolidin-1-yl)ethyl)biphenyl-2-yl)methyl)piperazin-1-yl)benzoic acid 1228780-98-0 C38H39ClN4O3
    2-(1H-indol-4-yloxy)-4-(4-((4'-chloro-4-(2-(pyrrolidin-1-yl)ethyl)biphenyl-2-yl)methyl)piperazin-1-yl)benzoic acid
    —— (2R,3R,4S,5S,6R)-2-allyl-3-methyl-6-(naphthalen-2-yl)-5-nitro-4-phenyltetrahydro-2H-pyran 1301224-98-5 C25H25NO3
    (2R,3R,4S,5S,6R)-2-allyl-3-methyl-6-(naphthalen-2-yl)-5-nitro-4-phenyltetrahydro-2H-pyran
    —— 2-ethyl-2-phenyl-2-hydroxy-N-phenylacetamide 28193-73-9 C16H17NO2
    2-ethyl-2-phenyl-2-hydroxy-N-phenylacetamide
    —— 2-(1,3-Dioxo-2-phenyl-indan-2-yl)-N-[((S)-1-hydrazinocarbonyl-3-methyl-butylcarbamoyl)-methyl]-acetamide 60425-87-8 C25H28N4O5
    2-(1,3-Dioxo-2-phenyl-indan-2-yl)-N-[((S)-1-hydrazinocarbonyl-3-methyl-butylcarbamoyl)-methyl]-acetamide
    —— 2,3-diacetoxy-4-(6-amino-purin-9-yl)-butyric acid ethyl ester 53185-91-4 C15H19N5O6
    2,3-diacetoxy-4-(6-amino-purin-9-yl)-butyric acid ethyl ester
    —— 2-phenyl-2,3-dihydro-1<i>H</i>-isoquinolin-4-one oxime 53667-14-4 C15H14N2O
    2-phenyl-2,3-dihydro-1<i>H</i>-isoquinolin-4-one oxime
    —— 2-Pentyloxy-2,4,4,6,6-pentakis-p-tolyloxy-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinine 55558-39-9 C40H46N3O6P3
    2-Pentyloxy-2,4,4,6,6-pentakis-p-tolyloxy-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinine
    —— 2-methyl-6-[4-(2,2,2-trifluoro-acetylamino)-phenyl]-4,5-dihydro-2<i>H</i>-pyridazin-3-one 52240-53-6 C13H12F3N3O2
    2-methyl-6-[4-(2,2,2-trifluoro-acetylamino)-phenyl]-4,5-dihydro-2<i>H</i>-pyridazin-3-one
    —— 2.5.7-Trihydroxy-2'-methoxy-flavanon 58124-22-4 C16H14O6
    2.5.7-Trihydroxy-2'-methoxy-flavanon
    —— 2-[4-(4-Chloro-benzyloxy)-phenoxy]-2-methyl-propionic acid 2-dimethylamino-ethyl ester; hydrochloride 52890-81-0 C21H26ClNO4*ClH
    2-[4-(4-Chloro-benzyloxy)-phenoxy]-2-methyl-propionic acid 2-dimethylamino-ethyl ester; hydrochloride
    —— 2-α-n-Propyl-5α-cholestan-3-on 58777-43-8 C30H52O
    2-α-n-Propyl-5α-cholestan-3-on
    —— 2-Chloro-N-[2-(4-chloro-2-methyl-phenoxy)-ethyl]-N-o-tolyl-acetamide 61072-11-5 C18H19Cl2NO2
    2-Chloro-N-[2-(4-chloro-2-methyl-phenoxy)-ethyl]-N-o-tolyl-acetamide