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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Cyclohexen-1-one, 2-methyl-, O-methyloxime, (E)- 148726-21-0 C8H13NO
    2-Cyclohexen-1-one, 2-methyl-, O-methyloxime, (E)-
    —— (2S,5R)-4,4-Dimethyl-3,7-dioxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzyl ester 80403-45-8 C16H17NO4
    (2S,5R)-4,4-Dimethyl-3,7-dioxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzyl ester
    —— 2,3-pentanedione 2-acetylhydrazone 98336-86-8 C7H12N2O2
    2,3-pentanedione 2-acetylhydrazone
    —— (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(8-methoxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamido)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1192721-72-4 C24H29NO13
    (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(8-methoxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamido)tetrahydro-2H-pyran-3,4,5-triyl triacetate
    —— (2R,3S,4S,E)-6-cyclohexyl-3-methoxy-2,4-dimethylhex-5-en-1-ol 1017246-16-0 C15H28O2
    (2R,3S,4S,E)-6-cyclohexyl-3-methoxy-2,4-dimethylhex-5-en-1-ol
    —— 2-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-4-fluoro-5-(1,3-thiazol-2-ylethynyl)benzaldehyde 1097626-74-8 C18H17FN2O2S
    2-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-4-fluoro-5-(1,3-thiazol-2-ylethynyl)benzaldehyde
    —— 2-exo-Chloro-benzo-bicyclo<2.1.1>hexen 21017-10-7 C10H9Cl
    2-exo-Chloro-benzo-bicyclo<2.1.1>hexen
    —— 2-[5-hydroxymethyl-4-(4-methoxybenzyloxy)-2-cyclopentenyl]ethanol 913617-80-8 C16H22O4
    2-[5-hydroxymethyl-4-(4-methoxybenzyloxy)-2-cyclopentenyl]ethanol
    —— <2>-<<1.12-bis-(triphenylmethoxy)-dodecane>-<2.18>paracyclophane>-rotaxane 145313-92-4 C32H48*C50H54O2
    <2>-<<1.12-bis-(triphenylmethoxy)-dodecane>-<2.18>paracyclophane>-rotaxane
    —— 2,2,2-trichloro-1-(4-methyl-6-methylsulfanyl-pyrimidin-2-ylamino)-ethanol 101774-94-1 C8H10Cl3N3OS
    2,2,2-trichloro-1-(4-methyl-6-methylsulfanyl-pyrimidin-2-ylamino)-ethanol
    —— 2,3,4,6-Tetra-O-methyl-D-galactose 34361-56-3 C10H20O6
    2,3,4,6-Tetra-O-methyl-D-galactose
    —— (2-Chloro-ethyl)-methyl-phosphoramidic acid 2,2-dichloro-vinyl ester propyl ester 35728-60-0 C8H15Cl3NO3P
    (2-Chloro-ethyl)-methyl-phosphoramidic acid 2,2-dichloro-vinyl ester propyl ester
    —— 2-Ethoxy-4-methyl-hexahydro-cyclopenta<b>pyran 94350-76-2 C11H20O2
    2-Ethoxy-4-methyl-hexahydro-cyclopenta<b>pyran
    —— 2,6-Dihydroxy-5-methyl-Δ<sup>1,6</sup>-bicyclo<5,4,0>undecadien-8,11-dion 92848-00-5 C12H14O4
    2,6-Dihydroxy-5-methyl-Δ<sup>1,6</sup>-bicyclo<5,4,0>undecadien-8,11-dion
    —— 2-(2,10-dichloro-12-(pyrrolidin-1-yl)-5,7-dihydroindolo[2,3-b]carbazol-6-yloxy)-N,N-dimethylethanamine 1217106-76-7 C26H26Cl2N4O
    2-(2,10-dichloro-12-(pyrrolidin-1-yl)-5,7-dihydroindolo[2,3-b]carbazol-6-yloxy)-N,N-dimethylethanamine
    —— 2-Methyl-butanon-<pyridyl-(4)-hydrazon> 22930-69-4 C10H15N3
    2-Methyl-butanon-<pyridyl-(4)-hydrazon>
    —— [(2S)-1-[(2S,5R)-5-[(1R)-1-(3,4-dimethoxyphenyl)ethyl]oxolan-2-yl]pentan-2-yl] acetate 1027027-87-7 C21H32O5
    [(2S)-1-[(2S,5R)-5-[(1R)-1-(3,4-dimethoxyphenyl)ethyl]oxolan-2-yl]pentan-2-yl] acetate
    —— 2,3-Dimethyl-3-tolylcyclopentanon 147129-25-7 C14H18O
    2,3-Dimethyl-3-tolylcyclopentanon
    —— 2-Dimethoxyphosphoryl-1-(1-phenylcyclopropyl)ethanone 540731-27-9 C13H17O4P
    2-Dimethoxyphosphoryl-1-(1-phenylcyclopropyl)ethanone
    —— 2-[(E)-3-(Dimethyl-phenyl-silanyl)-pent-2-enyl]-cyclohexanone 193006-81-4 C19H28OSi
    2-[(E)-3-(Dimethyl-phenyl-silanyl)-pent-2-enyl]-cyclohexanone
    —— 2-(4-phenyl-4H-1,3-dithiin-2-ylidene)-1-(4-phenylphenyl)ethanone 145825-95-2 C24H18OS2
    2-(4-phenyl-4H-1,3-dithiin-2-ylidene)-1-(4-phenylphenyl)ethanone
    —— (2-methyl-1-phosphacyclopentene)pentacarbonylchromium 132885-15-5 C10H9CrO5P
    (2-methyl-1-phosphacyclopentene)pentacarbonylchromium
    —— (2-Amino-1,3,6-triaza-spiro[4.4]nona-1,3-dien-6-yl)-(4,5-dibromo-1H-pyrrol-2-yl)-methanone; hydrobromide 80822-66-8 BrH*C11H11Br2N5O
    (2-Amino-1,3,6-triaza-spiro[4.4]nona-1,3-dien-6-yl)-(4,5-dibromo-1H-pyrrol-2-yl)-methanone; hydrobromide
    —— 2-Amino-6-(3,4-dihydroxy-5-oxo-tetrahydro-furan-2-yl)-3H-pteridin-4-one 91949-90-5 C10H9N5O5
    2-Amino-6-(3,4-dihydroxy-5-oxo-tetrahydro-furan-2-yl)-3H-pteridin-4-one
    —— 2-(1-Aminoethyl)-3,5,8-trimethyl-2,3,6,7-tetrahydrofuro[2,3-f]quinoline-7-one 156935-96-5 C16H20N2O2
    2-(1-Aminoethyl)-3,5,8-trimethyl-2,3,6,7-tetrahydrofuro[2,3-f]quinoline-7-one
    —— 2-<2,2-bis(ethoxycarbonyl)ethenyl>-1-m-bromophenylhydrazine 111491-33-9 C14H17BrN2O4
    2-<2,2-bis(ethoxycarbonyl)ethenyl>-1-m-bromophenylhydrazine
    —— (2S,4aS,4bS,5aR,6aR,7R,9aR)-1,1,4a,6a,9a-pentamethyl-7-((R)-6-methylheptan-2-yl)-1,2,3,4,4a,5a,6,6a,7,8,9,9a,11,11a-tetradecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2-yl acetate 19468-23-6 C32H52O3
    (2S,4aS,4bS,5aR,6aR,7R,9aR)-1,1,4a,6a,9a-pentamethyl-7-((R)-6-methylheptan-2-yl)-1,2,3,4,4a,5a,6,6a,7,8,9,9a,11,11a-tetradecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2-yl acetate
    —— 2-Chloro-3,3-dimethyl-2-phenyl-butyraldehyde oxime 58293-31-5 C12H16ClNO
    2-Chloro-3,3-dimethyl-2-phenyl-butyraldehyde oxime
    —— 2-Cyano-2-[(5-methyl-1H-pyrazol-3-yl)-hydrazono]-acetamide 63519-80-2 C7H8N6O
    2-Cyano-2-[(5-methyl-1H-pyrazol-3-yl)-hydrazono]-acetamide
    —— 2-(3-Chlorpropionyl-hydrazino)-4-p-aethylphenyl-thiazol 61323-71-5 C14H16ClN3OS
    2-(3-Chlorpropionyl-hydrazino)-4-p-aethylphenyl-thiazol
    —— (2'S)-5-benzyl-1-[2'-(hydroxymethyl)pyrrolidinyl]carbonyl-2-methoxybenzene 796866-42-7 C20H23NO3
    (2'S)-5-benzyl-1-[2'-(hydroxymethyl)pyrrolidinyl]carbonyl-2-methoxybenzene
    —— 2'-methyl-3'-phenylfluorene-9-spiro-4'-(1',2'-thiazolidine)-5'-spiro-9''-fluorene 1'-oxide 76256-16-1 C34H25NOS
    2'-methyl-3'-phenylfluorene-9-spiro-4'-(1',2'-thiazolidine)-5'-spiro-9''-fluorene 1'-oxide
    —— (2''S)-1-(2''-tert-butoxycarbonylamino-3''-hydroxy-propyl)-5-(2',3',4',6'-tetra-O-benzyl-β-D-galactopyranosyl)-1H-[1,2,3]triazole 763122-83-4 C44H52N4O8
    (2''S)-1-(2''-tert-butoxycarbonylamino-3''-hydroxy-propyl)-5-(2',3',4',6'-tetra-O-benzyl-β-D-galactopyranosyl)-1H-[1,2,3]triazole
    —— 2-(4-dibenzofuranyl)-3-(3-methoxyphenyl)-2,1-borazaronaphthalene 1616635-49-4 C27H20BNO2
    2-(4-dibenzofuranyl)-3-(3-methoxyphenyl)-2,1-borazaronaphthalene
    —— (2-benzyl-1,1-dioxo-1λ<sup>6</sup>-[1,4,2]dithiazolidin-3-ylidene)-(4-chloro-phenyl)-amine 65169-01-9 C15H13ClN2O2S2
    (2-benzyl-1,1-dioxo-1λ<sup>6</sup>-[1,4,2]dithiazolidin-3-ylidene)-(4-chloro-phenyl)-amine
    —— 2-methoxy-5-(4-methoxyphenyl)-4-[4-(methylsulfonyl)phenyl]-6-trifluoromethyl-pyridine 181628-39-7 C21H18F3NO4S
    2-methoxy-5-(4-methoxyphenyl)-4-[4-(methylsulfonyl)phenyl]-6-trifluoromethyl-pyridine
    —— 2-ethyl-3-methyl-1-phenyl-2-buten-1-one 81096-34-6 C13H16O
    2-ethyl-3-methyl-1-phenyl-2-buten-1-one
    —— (20R)-3β-acetoxy-21-chloropregn-5-en-20-ol 1207630-60-1 C23H35ClO3
    (20R)-3β-acetoxy-21-chloropregn-5-en-20-ol
    —— 2-Dimethylamino-4-benzoyl-5-phenyl-imidazolin-(2) 93870-92-9 C18H19N3O
    2-Dimethylamino-4-benzoyl-5-phenyl-imidazolin-(2)
    —— 2,5,2',5',2'',5'',2''',5''',2'''',5''''-Decamethyl-[1,4';1',1'';4'',1''';4''',1'''']quinquephenyl 3075-78-3 C40H42
    2,5,2',5',2'',5'',2''',5''',2'''',5''''-Decamethyl-[1,4';1',1'';4'',1''';4''',1'''']quinquephenyl
    —— 2-Butylamino-4-hexylamino-6-phenylamino-1,3,5-triazin 21840-43-7 C19H30N6
    2-Butylamino-4-hexylamino-6-phenylamino-1,3,5-triazin
    —— 2-Imino-5-ethyl-5-<2-(2-pyridyl)-ethyl>-barbitursaeure 93258-12-9 C13H16N4O2
    2-Imino-5-ethyl-5-<2-(2-pyridyl)-ethyl>-barbitursaeure
    —— 2,3,6,7-Tetramethoxy-9-methyl-10-benzyloxymethylanthracen 22127-34-0 C27H28O5
    2,3,6,7-Tetramethoxy-9-methyl-10-benzyloxymethylanthracen
    —— 23-Acetyl-dihydroleptinidin 123755-31-7 C29H47NO3
    23-Acetyl-dihydroleptinidin
    —— 2-Hydroxy-5-oxo-4-cyan-2,3-bis-(6-methyl-pyridyl-(2))-Δ<sup>3</sup>-pyrrolin 97835-80-8 C17H14N4O2
    2-Hydroxy-5-oxo-4-cyan-2,3-bis-(6-methyl-pyridyl-(2))-Δ<sup>3</sup>-pyrrolin
    —— 2-(2-benzylimino-3-phenyl-tetrahydro-furan-3-yl)-phenol 95319-45-2 C23H21NO2
    2-(2-benzylimino-3-phenyl-tetrahydro-furan-3-yl)-phenol
    —— 2,2'-dioxo-2,4,1',2'-tetrahydro-1<i>H</i>-spiro[benzo[<i>cd</i>]indole-5,3'-indole]-3-carboxylic acid ethyl ester 89285-90-5 C21H16N2O4
    2,2'-dioxo-2,4,1',2'-tetrahydro-1<i>H</i>-spiro[benzo[<i>cd</i>]indole-5,3'-indole]-3-carboxylic acid ethyl ester
    —— (2S,3S)-3-(Toluene-4-sulfonyl)-butan-2-ol 109668-81-7 C11H16O3S
    (2S,3S)-3-(Toluene-4-sulfonyl)-butan-2-ol
    —— 2-(3-phenylpropyl)-N1-(prop-2-ynyl)-N4-(trityloxy)succinamide 910581-41-8 C35H34N2O3
    2-(3-phenylpropyl)-N1-(prop-2-ynyl)-N4-(trityloxy)succinamide
    —— 2-amino-4-(p-chlorophenyl)-3-phenyl-but-3-ene 80654-54-2 C16H16ClN
    2-amino-4-(p-chlorophenyl)-3-phenyl-but-3-ene