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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methyl-3-phenyl-5-hydroxyisoxazolidine 215236-89-8 C10H13NO2
    2-Methyl-3-phenyl-5-hydroxyisoxazolidine
    —— 2-Non-8-en-2-ynyl-2-prop-2-ynyl-malonic acid dimethyl ester 335299-90-6 C17H22O4
    2-Non-8-en-2-ynyl-2-prop-2-ynyl-malonic acid dimethyl ester
    —— 2-(4-bromo-benzenesulfonyl)-1-(4-bromo-benzenesulfonylimino)-5-chloro-1,2,3,6-tetrahydro-1λ4-[1,2]thiazine 5550-93-6 C16H13Br2ClN2O4S3
    2-(4-bromo-benzenesulfonyl)-1-(4-bromo-benzenesulfonylimino)-5-chloro-1,2,3,6-tetrahydro-1λ4-[1,2]thiazine
    —— 2-<2-Methyl-thiazolyl-(4)>-1-phenacyl-pyridinium-bromid 14384-75-9 Br*C17H15N2OS
    2-<2-Methyl-thiazolyl-(4)>-1-phenacyl-pyridinium-bromid
    —— 2-amino-N-decoxy-2-oxoethanimidoyl cyanide 50833-82-4 C13H23N3O2
    2-amino-N-decoxy-2-oxoethanimidoyl cyanide
    —— 2-(4-fluorophenyl)-4-(2-hydroxyethyl)pyrido[2,3-b]pyrazin-3(4H)-one 1186505-89-4 C15H12FN3O2
    2-(4-fluorophenyl)-4-(2-hydroxyethyl)pyrido[2,3-b]pyrazin-3(4H)-one
    —— 2(R)-methyl-4(S)-hydroxy-5(S)-amino-7(S)-isopropyl-8-[3-(methoxycarbonylmethoxy)-4-methoxy-phenyl]-octanoic acid (N-butyl) amide hydrochloride 173334-22-0 C26H44N2O6*ClH
    2(R)-methyl-4(S)-hydroxy-5(S)-amino-7(S)-isopropyl-8-[3-(methoxycarbonylmethoxy)-4-methoxy-phenyl]-octanoic acid (N-butyl) amide hydrochloride
    —— 2-[1-[(4-chlorophenyl)-hydroxymethyl]propyl]-2,4-dihydro-4-[4[4(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one 125235-47-4 C28H30ClN5O3
    2-[1-[(4-chlorophenyl)-hydroxymethyl]propyl]-2,4-dihydro-4-[4[4(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one
    —— (2R)-3-(4-{[3-(3-trifluoromethylphenyl)isoxazol-5-yl]methyl}piperazinyl)-1-(2-methylbenzothiazol-5-yloxy)propan-2-ol 1055972-83-2 C26H27F3N4O3S
    (2R)-3-(4-{[3-(3-trifluoromethylphenyl)isoxazol-5-yl]methyl}piperazinyl)-1-(2-methylbenzothiazol-5-yloxy)propan-2-ol
    —— [(2R,3R,4S,5R,6R)-6-[[(5S,5aR,8aR,9R)-9-[4-(2-chloroacetyl)oxy-3,5-dimethoxyphenyl]-8-oxo-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-5-yl]oxy]-3,4,5-tribenzoyloxyoxan-2-yl]methyl benzoate 134659-25-9 C57H47ClO18
    [(2R,3R,4S,5R,6R)-6-[[(5S,5aR,8aR,9R)-9-[4-(2-chloroacetyl)oxy-3,5-dimethoxyphenyl]-8-oxo-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-5-yl]oxy]-3,4,5-tribenzoyloxyoxan-2-yl]methyl benzoate
    —— (2R,3R,4S,5R,6R)-5-(benzoyloxy)-4-methoxy-6-methyltetrahydro-2H-pyran-2,3-diyl diacetate 1310721-42-6 C18H22O8
    (2R,3R,4S,5R,6R)-5-(benzoyloxy)-4-methoxy-6-methyltetrahydro-2H-pyran-2,3-diyl diacetate
    —— 2,4,6,8-tetramethylbicyclo[3.3.0]octa-1(5)-ene-3,7-dione 1057716-29-6 C12H16O2
    2,4,6,8-tetramethylbicyclo[3.3.0]octa-1(5)-ene-3,7-dione
    —— (2R,9aR)-2-methyl-2,3,9,9a-tetrahydro-1H-fluorene-2-carbaldehyde 860306-35-0 C15H16O
    (2R,9aR)-2-methyl-2,3,9,9a-tetrahydro-1H-fluorene-2-carbaldehyde
    —— 2-(1-methyl-1-butenyl)benzoxazole 70299-32-0 C12H13NO
    2-(1-methyl-1-butenyl)benzoxazole
    —— 2,6-bis(trimethyltin)-4,8-bis(triisopropylsilylethynyl)benzo[1,2-b:4,5-b']dithiophene 1394931-03-3 C38H62S2Si2Sn2
    2,6-bis(trimethyltin)-4,8-bis(triisopropylsilylethynyl)benzo[1,2-b:4,5-b']dithiophene
    —— 2,2-Dimethyl-propionic acid (2R,4aR,6S,7R,8S,8aR)-7-(2,2-dimethyl-propionyloxy)-2-((R)-hydroxy-phenyl-methyl)-6-methoxy-3-(toluene-4-sulfonyl)-octahydro-pyrano[2,3-e][1,3]oxazin-8-yl ester 186414-27-7 C32H43NO10S
    2,2-Dimethyl-propionic acid (2R,4aR,6S,7R,8S,8aR)-7-(2,2-dimethyl-propionyloxy)-2-((R)-hydroxy-phenyl-methyl)-6-methoxy-3-(toluene-4-sulfonyl)-octahydro-pyrano[2,3-e][1,3]oxazin-8-yl ester
    —— 2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-acetyl-α-D-glucopyranosyl trichloroacetimidate 445025-16-1 C48H44Cl3NO18
    2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-acetyl-α-D-glucopyranosyl trichloroacetimidate
    —— 2-(3-bromo-5-ethoxy-phenyl)-[1,3]dioxolane 909854-24-6 C11H13BrO3
    2-(3-bromo-5-ethoxy-phenyl)-[1,3]dioxolane
    —— 2-(3-amino-2,5-dioxoimidazolidin-1-yl)acetic acid hydrochloride 1033700-49-0 C5H7N3O4*ClH
    2-(3-amino-2,5-dioxoimidazolidin-1-yl)acetic acid hydrochloride
    —— (2R,3R)-4-(((S)-1-((4-((tert-butoxycarbonyl)amino)phenyl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-2,3-dihydroxy-4-oxobutanoic acid 1258005-07-0 C24H29N3O8
    (2R,3R)-4-(((S)-1-((4-((tert-butoxycarbonyl)amino)phenyl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-2,3-dihydroxy-4-oxobutanoic acid
    —— 2-(2-carboxyethenyl)-2-methyl-1,3-dithiolane 110295-10-8 C7H10O2S2
    2-(2-carboxyethenyl)-2-methyl-1,3-dithiolane
    —— 2-Methoxy-1-cyano-xanthon 69169-81-9 C15H9NO3
    2-Methoxy-1-cyano-xanthon
    —— 2-(3,4-Dichlor-α-methyl-benzyl)-6-(4-methoxy-phenyl)-4,5-dihydro-3(2H)-pyridazinon 70646-70-7 C19H18Cl2N2O2
    2-(3,4-Dichlor-α-methyl-benzyl)-6-(4-methoxy-phenyl)-4,5-dihydro-3(2H)-pyridazinon
    —— {2-[3-Fluoro-2-(2,2,2-trichloro-ethoxycarbonyloxy)-propylsulfanyl]-4-oxo-3-phenylacetylamino-azetidin-1-yl}-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetic acid tert-butyl ester 35698-90-9 C41H41Cl3FN2O7PS
    {2-[3-Fluoro-2-(2,2,2-trichloro-ethoxycarbonyloxy)-propylsulfanyl]-4-oxo-3-phenylacetylamino-azetidin-1-yl}-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetic acid tert-butyl ester
    —— 2-(4-methoxybenzyl)-1-(2-phenoxyethyl)-7-phenyl-1H-imidazo[4,5-c]quinoline-4-amine 723265-58-5 C32H28N4O2
    2-(4-methoxybenzyl)-1-(2-phenoxyethyl)-7-phenyl-1H-imidazo[4,5-c]quinoline-4-amine
    —— (2S,4R,6R)-1,2-O-isopropylidene-6-O-benzyloct-7-yne-1,2,4,6-tetraol 1025446-75-6 C18H24O4
    (2S,4R,6R)-1,2-O-isopropylidene-6-O-benzyloct-7-yne-1,2,4,6-tetraol
    —— 2-cyano-3-(6-(4-(diphenylamino)phenyl)-4-(2-ethylhexyl)-4H-dithieno[3,2-b:2',3'-d]pyrrol-2-yl)acrylic acid 1572185-71-7 C38H35N3O2S2
    2-cyano-3-(6-(4-(diphenylamino)phenyl)-4-(2-ethylhexyl)-4H-dithieno[3,2-b:2',3'-d]pyrrol-2-yl)acrylic acid
    —— 2-ethyl-1-formyl-1,2,3,4-tetrahydro-quinoline 71139-79-2 C12H15NO
    2-ethyl-1-formyl-1,2,3,4-tetrahydro-quinoline
    —— 2-Vinyl-N-benzoylpiperidin 66120-22-7 C14H17NO
    2-Vinyl-N-benzoylpiperidin
    —— 2-(cis-2-Undecenyl)-1,3-dioxan 69891-91-4 C15H28O2
    2-(cis-2-Undecenyl)-1,3-dioxan
    —— 2-Carbamoylmethoxy-3,5-dichloro-benzenesulfonyl chloride 69986-30-7 C8H6Cl3NO4S
    2-Carbamoylmethoxy-3,5-dichloro-benzenesulfonyl chloride
    —— 2,5,7,10-tetra-<i>tert</i>-butyl-5,5a,10,10a-tetrahydro-[1,3]disileto[1,2-<i>a</i>;3,4-<i>a</i>']bissiline 71606-86-5 C26H44Si2
    2,5,7,10-tetra-<i>tert</i>-butyl-5,5a,10,10a-tetrahydro-[1,3]disileto[1,2-<i>a</i>;3,4-<i>a</i>']bissiline
    —— 2,4-dichloro-6-(1-phenyl-ethyl)-phenol 70439-65-5 C14H12Cl2O
    2,4-dichloro-6-(1-phenyl-ethyl)-phenol
    —— 2-Hydrazino-3-m-iodphenylchinazol-4-on 77747-21-8 C14H11IN4O
    2-Hydrazino-3-m-iodphenylchinazol-4-on
    —— 2-[2-[(3-chloro-4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-1-yl]-N-[6-[(1-methylpropylamino)methyl]-1,2,3,4-tetrahydronaphthalen-1-yl]acetamide 1242848-59-4 C31H39ClN4O3S
    2-[2-[(3-chloro-4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-1-yl]-N-[6-[(1-methylpropylamino)methyl]-1,2,3,4-tetrahydronaphthalen-1-yl]acetamide
    —— (2R)-2-[2-[(4-chlorophenyl)methyl]-1,2,4-triazol-3-yl]-N-(8-chloro-2,3,4,5-tetrahydro-1-benzoxepin-5-yl)pyrrolidine-1-carboxamide 1140489-29-7 C24H25Cl2N5O2
    (2R)-2-[2-[(4-chlorophenyl)methyl]-1,2,4-triazol-3-yl]-N-(8-chloro-2,3,4,5-tetrahydro-1-benzoxepin-5-yl)pyrrolidine-1-carboxamide
    —— 2-acetyl-6,7,8-trimethoxy-1-methylene-1,2,3,4-tetrahydro-isoquinoline 94092-10-1 C15H19NO4
    2-acetyl-6,7,8-trimethoxy-1-methylene-1,2,3,4-tetrahydro-isoquinoline
    —— (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-((3-phenylallyl)amino)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1344152-08-4 C23H29NO9
    (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-((3-phenylallyl)amino)tetrahydro-2H-pyran-3,4,5-triyl triacetate
    —— 2-(Methylsulfonylmethyl)-acrylnitril 89323-92-2 C5H7NO2S
    2-(Methylsulfonylmethyl)-acrylnitril
    —— 2-(Carbomethoxyphenyl-sulfonylmethyl)-ethyliden-cyclohexan 67428-27-7 C17H22O4S
    2-(Carbomethoxyphenyl-sulfonylmethyl)-ethyliden-cyclohexan
    —— 2-fluoro-4-{5-[5'-fluoro-2'-methoxy-2-(methoxymethyl)biphenyl-4-yl]-1,2,4-oxadiazol-3-yl}benzoic acid 1141472-61-8 C24H18F2N2O5
    2-fluoro-4-{5-[5'-fluoro-2'-methoxy-2-(methoxymethyl)biphenyl-4-yl]-1,2,4-oxadiazol-3-yl}benzoic acid
    —— 2-allyl-3-(diphenyl-phosphinoyl)-propyl benzoate 1152313-61-5 C25H25O3P
    2-allyl-3-(diphenyl-phosphinoyl)-propyl benzoate
    —— (2-oxo-octahydro-pyrano[4,3-<i>d</i>]pyrimidin-4-yl)-urea 23903-39-1 C8H14N4O3
    (2-oxo-octahydro-pyrano[4,3-<i>d</i>]pyrimidin-4-yl)-urea
    —— 2-amino-4-(3,4-dimethoxyphenyl)-6-(4-((4-methylpiperazin-1-yl)diazenyl)phenyl)nicotinonitrile 1236040-84-8 C25H27N7O2
    2-amino-4-(3,4-dimethoxyphenyl)-6-(4-((4-methylpiperazin-1-yl)diazenyl)phenyl)nicotinonitrile
    —— 2,6-Dimethyl-1-propyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester 69368-50-9 C16H25NO4
    2,6-Dimethyl-1-propyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
    —— 2-(α,3-Dihydroxy-4-methoxy-phenethyl)-benzoesaeure-methylamid 69722-39-0 C17H19NO4
    2-(α,3-Dihydroxy-4-methoxy-phenethyl)-benzoesaeure-methylamid
    —— [2-butyl-1-iodo-3-[iodo(trimethylsilyl)methylidene]hept-1-enyl]-trimethylsilane 324743-14-8 C18H36I2Si2
    [2-butyl-1-iodo-3-[iodo(trimethylsilyl)methylidene]hept-1-enyl]-trimethylsilane
    —— 2-acetylamino-3,5-dibromothiophene 112161-85-0 C6H5Br2NOS
    2-acetylamino-3,5-dibromothiophene
    —— 2-<α-(2'-Methoxyphenyl)-β-nitroethyl>-5-methylcyclohexanone 67861-20-5 C16H21NO4
    2-<α-(2'-Methoxyphenyl)-β-nitroethyl>-5-methylcyclohexanone
    —— 2-Chlor-3-methylthio-chinolin 68844-40-6 C10H8ClNS
    2-Chlor-3-methylthio-chinolin