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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-chloro-1-cyclohexyl-1H-benzoimidazol-5-carboxylic acid ethyl ester 871928-49-3 C16H19ClN2O2
    2-chloro-1-cyclohexyl-1H-benzoimidazol-5-carboxylic acid ethyl ester
    —— 2-benzoylamino-4-methyl-pent-4-enoic acid 65427-58-9 C13H15NO3
    2-benzoylamino-4-methyl-pent-4-enoic acid
    —— 2-acetyl-3-(2,4-dioxo-3,4-dihydro-2H-benzo[e][1,3]oxazin-6-ylamino)-acrylic acid ethyl ester 59393-62-3 C15H14N2O6
    2-acetyl-3-(2,4-dioxo-3,4-dihydro-2H-benzo[e][1,3]oxazin-6-ylamino)-acrylic acid ethyl ester
    —— 2-bromo-5,5-dimethyl-2-cyclopentenone ethylene ketal 398147-76-7 C9H13BrO2
    2-bromo-5,5-dimethyl-2-cyclopentenone ethylene ketal
    —— 2-chloro-4-[(2-methylbenzyl)carbonylamino]benzoic acid 216585-84-1 C16H14ClNO3
    2-chloro-4-[(2-methylbenzyl)carbonylamino]benzoic acid
    —— (2S,3R,5R)-5-<(tert-butyl)dimethylsilyloxy>-2-hexyl-3-hydroxy-N-methoxyhexadecanamide 160452-36-8 C29H61NO4Si
    (2S,3R,5R)-5-<(tert-butyl)dimethylsilyloxy>-2-hexyl-3-hydroxy-N-methoxyhexadecanamide
    —— 2-benzoyl-N-phenylpentanamide 25559-59-5 C18H19NO2
    2-benzoyl-N-phenylpentanamide
    —— 2-Formyl-5-methoxypyridin-1-oxid 54618-19-8 C7H7NO3
    2-Formyl-5-methoxypyridin-1-oxid
    —— 2-[9-(4-fluoro-2-methylphenyl)-6,7-dihydro-5H,9H-[1,2,4]triazolo[5,1-c][1,4]oxazepin-2-yl]-4-methoxy-1H-indole-5-carbonitrile 1420201-20-2 C23H20FN5O2
    2-[9-(4-fluoro-2-methylphenyl)-6,7-dihydro-5H,9H-[1,2,4]triazolo[5,1-c][1,4]oxazepin-2-yl]-4-methoxy-1H-indole-5-carbonitrile
    —— 2-[4-[4-[4-[3-(2-Methylpiperidin-1-yl)propoxy]phenyl]piperazine-1-carbonyl]phenoxy]acetic acid 684248-85-9 C28H37N3O5
    2-[4-[4-[4-[3-(2-Methylpiperidin-1-yl)propoxy]phenyl]piperazine-1-carbonyl]phenoxy]acetic acid
    —— 2-Methyl-3-(2-octenyl)-4(1H)-chinolon 36970-32-8 C18H23NO
    2-Methyl-3-(2-octenyl)-4(1H)-chinolon
    —— 2-(4-Acetyl-phenyl)-3-[1-phenyl-meth-(Z)-ylidene]-2,3-dihydro-isoindol-1-one 118507-04-3 C23H17NO2
    2-(4-Acetyl-phenyl)-3-[1-phenyl-meth-(Z)-ylidene]-2,3-dihydro-isoindol-1-one
    —— 2-[1-Benzo[1,3]dioxol-5-yl-meth-(E)-ylidene]-4-(3,4-dimethoxy-phenyl)-4-oxo-butyric acid 17994-27-3 C20H18O7
    2-[1-Benzo[1,3]dioxol-5-yl-meth-(E)-ylidene]-4-(3,4-dimethoxy-phenyl)-4-oxo-butyric acid
    —— 2,2-Bis-phosphono-cyclopropanecarboxylic acid ethyl ester 138593-31-4 C6H12O8P2
    2,2-Bis-phosphono-cyclopropanecarboxylic acid ethyl ester
    —— (2S)-N1-(3,5-dichlorophenyl)-N2-(3,4-dimethoxybenzyl)-4-oxo-1,2-pyrrolidinedicarboxamide 364073-42-7 C21H21Cl2N3O5
    (2S)-N1-(3,5-dichlorophenyl)-N2-(3,4-dimethoxybenzyl)-4-oxo-1,2-pyrrolidinedicarboxamide
    —— 2-propanyl {[(3R,5aR,6S,7R,8aS)-6-(hydroxymethyl)-7-(tetrahydro-2H-pyran-2-yloxy)octahydro-2H-cyclopenta[b]oxepin-3-yl]methoxy}acetate 1262873-85-7 C21H36O7
    2-propanyl {[(3R,5aR,6S,7R,8aS)-6-(hydroxymethyl)-7-(tetrahydro-2H-pyran-2-yloxy)octahydro-2H-cyclopenta[b]oxepin-3-yl]methoxy}acetate
    —— 2-amino-6-chloro-9-<2-<3-(diethylphosphono)propyl>benzyl>purine 151331-95-2 C19H25ClN5O3P
    2-amino-6-chloro-9-<2-<3-(diethylphosphono)propyl>benzyl>purine
    —— (2-((S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxyphenyl)propanamido)acryloyl)-L-phenylalanine 1186087-61-5 C26H31N3O7
    (2-((S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxyphenyl)propanamido)acryloyl)-L-phenylalanine
    —— 2-[[amino(phenyl)methylidene]amino]ethanesulfonic acid 22766-72-9 C9H12N2O3S
    2-[[amino(phenyl)methylidene]amino]ethanesulfonic acid
    —— 2-[4-(4-oxo-3,4-dihydrophthalazin-1-yl)phenyl]-N-(1,3,4-thiadiazol-2-yl)ethanamide 1620222-66-3 C18H13N5O2S
    2-[4-(4-oxo-3,4-dihydrophthalazin-1-yl)phenyl]-N-(1,3,4-thiadiazol-2-yl)ethanamide
    —— 2-Bromo-6-fluoro-4-methylbenzoic acid 1427327-66-9 C8H6BrFO2
    2-Bromo-6-fluoro-4-methylbenzoic acid
    —— [2-[(4-Formylphenoxy)methyl]-2,5,7,8-tetramethylchromen-6-yl] acetate 258882-42-7 C23H24O5
    [2-[(4-Formylphenoxy)methyl]-2,5,7,8-tetramethylchromen-6-yl] acetate
    —— 2-(4-Methoxy-phenyl)-5,7-dimethyl-2H,5H-pyrimido[4,5-e][1,2,4]triazine-3,6,8-trione 76789-38-3 C14H13N5O4
    2-(4-Methoxy-phenyl)-5,7-dimethyl-2H,5H-pyrimido[4,5-e][1,2,4]triazine-3,6,8-trione
    —— 2-Trichlormethyl-4-oxo-6-imino-5,6-dihydro-4H-1,3,5-dioxazin 90586-16-6 C4H3Cl3N2O3
    2-Trichlormethyl-4-oxo-6-imino-5,6-dihydro-4H-1,3,5-dioxazin
    —— 2-[4-(5-isopropoxythien-2-ylmethyl)phenyl]amino-imidazoline oxalate 221531-75-5 C2H2O4*C17H21N3OS
    2-[4-(5-isopropoxythien-2-ylmethyl)phenyl]amino-imidazoline oxalate
    —— 2-O-benzyl 1-O-methyl 5,7,8-trimethoxy-6-methyl-3,4-dihydro-1H-isoquinoline-1,2-dicarboxylate 77515-75-4 C23H27NO7
    2-O-benzyl 1-O-methyl 5,7,8-trimethoxy-6-methyl-3,4-dihydro-1H-isoquinoline-1,2-dicarboxylate
    —— 2-hydroxy-4-methyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid tert-butyl ester 54278-59-0 C12H19NO4S
    2-hydroxy-4-methyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid tert-butyl ester
    —— 2,3-secoreserpinediol 75276-04-9 C22H32N2O4
    2,3-secoreserpinediol
    —— 2-(3-Isopropoxy-4-methoxy-phenyl)-6,7-dimethoxy-3,4-dihydro-2H-naphthalen-1-one 136294-84-3 C22H26O5
    2-(3-Isopropoxy-4-methoxy-phenyl)-6,7-dimethoxy-3,4-dihydro-2H-naphthalen-1-one
    —— (-)-(2R,4S,6S)-2-methyl-6-nonylpiperidin-4-yl acetate 1146061-49-5 C17H33NO2
    (-)-(2R,4S,6S)-2-methyl-6-nonylpiperidin-4-yl acetate
    —— (2E)-3-{[(2-methylpropanoyloxy)ethyl]oxycarbonyl}prop-2-enoic acid 1208230-13-0 C10H14O6
    (2E)-3-{[(2-methylpropanoyloxy)ethyl]oxycarbonyl}prop-2-enoic acid
    —— 2-{[(E)-4-Nitro-phenylimino]-methyl}-benzo[b]thiophen-3-ol 37879-06-4 C15H10N2O3S
    2-{[(E)-4-Nitro-phenylimino]-methyl}-benzo[b]thiophen-3-ol
    —— 2a-(p-chlorophenyl)-2-methoxy-5-(2-methoxyacetyl)-4-<ortho-methyl-(N-methylanilino)>-1,2,2a,5-tetrahydroazeto<1,2-a><1,5>benzodiazepin-1-one 122503-67-7 C29H28ClN3O4
    2a-(p-chlorophenyl)-2-methoxy-5-(2-methoxyacetyl)-4-<ortho-methyl-(N-methylanilino)>-1,2,2a,5-tetrahydroazeto<1,2-a><1,5>benzodiazepin-1-one
    —— 2-(3-isopropoxy-4-nitro-1H-pyrazol-1-yl)-2-methylpropanoic acid 1856020-13-7 C10H15N3O5
    2-(3-isopropoxy-4-nitro-1H-pyrazol-1-yl)-2-methylpropanoic acid
    —— 2-(5-benzyloxy-1H-indol-3-yl)-3-[1-(3-dimethylaminopropyl)-1H-indol-3-yl]maleinimide 133052-97-8 C32H30N4O3
    2-(5-benzyloxy-1H-indol-3-yl)-3-[1-(3-dimethylaminopropyl)-1H-indol-3-yl]maleinimide
    —— 2-[2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-ethyl]-3-methyl-2,3-dihydro-phthalazine-1,4-dione 118190-15-1 C19H15N3O4
    2-[2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-ethyl]-3-methyl-2,3-dihydro-phthalazine-1,4-dione
    —— (2S,5R)-2-{[(tert-butyldiphenylsilyl)oxy]methyl}-5-ethynyl-1-tosylpyrrolidine 1500059-31-3 C30H35NO3SSi
    (2S,5R)-2-{[(tert-butyldiphenylsilyl)oxy]methyl}-5-ethynyl-1-tosylpyrrolidine
    —— 2-hydroxy-2',3,3a-trimethyl-6-oxospiro[2,3,4,7b-tetrahydro-1aH-naphtho[1,2-b]oxirene-5,3'-oxirane]-2'-carbaldehyde 117020-56-1 C15H18O5
    2-hydroxy-2',3,3a-trimethyl-6-oxospiro[2,3,4,7b-tetrahydro-1aH-naphtho[1,2-b]oxirene-5,3'-oxirane]-2'-carbaldehyde
    —— (2S)-2-amino-N-[1-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]-3-phenylpropanamide 1018908-00-3 C18H20F2N4O5
    (2S)-2-amino-N-[1-[(2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]-3-phenylpropanamide
    —— 2-mopholin-4-yl-ethanesulfonic acid {4-[1-(2,5-difluorobenzyl)-2-oxo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-7-yl]phenyl}amide 957194-23-9 C26H27F2N5O4S
    2-mopholin-4-yl-ethanesulfonic acid {4-[1-(2,5-difluorobenzyl)-2-oxo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-7-yl]phenyl}amide
    —— (2-(m-Tolyl)pyridin-3-yl)methanol 1198104-82-3 C13H13NO
    (2-(m-Tolyl)pyridin-3-yl)methanol
    —— 2-(7,8-dihydroxy-2-oxo-2H-chromen-3-yl)benzoic acid 1608117-25-4 C16H10O6
    2-(7,8-dihydroxy-2-oxo-2H-chromen-3-yl)benzoic acid
    —— 2β-Acetoxy-5α-androstan 25814-61-3 C21H34O2
    2β-Acetoxy-5α-androstan
    —— 2-benzoyloxymethyl-3-acetyl-5-(N4-acetylcytosin-1-yl)-1,3-thiazolidin-4-one 170872-16-9 C19H18N4O6S
    2-benzoyloxymethyl-3-acetyl-5-(N4-acetylcytosin-1-yl)-1,3-thiazolidin-4-one
    —— (2S,3S,4R)-((Z)-2-Hept-1-enyl)-1-oxa-spiro[2.4]heptan-4-ol 116185-45-6 C13H22O2
    (2S,3S,4R)-((Z)-2-Hept-1-enyl)-1-oxa-spiro[2.4]heptan-4-ol
    —— (2,2'-bipyridine)-6,7-dihydro-5H-dibenzo[c,e]nickelepine 177279-27-5 C24H20N2Ni
    (2,2'-bipyridine)-6,7-dihydro-5H-dibenzo[c,e]nickelepine
    —— 2,2-dimethoxy-4,4-dicyano-5-oxo-3-trichloromethyl-1,2-azaphosphol-1-ine 139359-49-2 C8H7Cl3N3O3P
    2,2-dimethoxy-4,4-dicyano-5-oxo-3-trichloromethyl-1,2-azaphosphol-1-ine
    —— 2,2'-bis[[(pyridin-3-yl)methyl]sulfonyl]-3H,3H'-5,5'-bibenzimidazole 1075188-11-2 C26H20N6O4S2
    2,2'-bis[[(pyridin-3-yl)methyl]sulfonyl]-3H,3H'-5,5'-bibenzimidazole
    —— 2-{(E)-[4-(Dimethylamino)phenyl]diazenyl}-1,3-thiazol-5-yl thiocyanate 67951-28-4 C12H11N5S2
    2-{(E)-[4-(Dimethylamino)phenyl]diazenyl}-1,3-thiazol-5-yl thiocyanate
    —— 2-amino-4-isopropyl-1,4-dihydrobenzo[4,5]imidazolo[1,2-a]pyrimidine-3-carbonitrile 1608468-80-9 C14H15N5
    2-amino-4-isopropyl-1,4-dihydrobenzo[4,5]imidazolo[1,2-a]pyrimidine-3-carbonitrile