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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-ethylidenehydrazino-6-methyl-3<i>H</i>-pyrimidin-4-one 64792-08-1 C7H10N4O
    2-ethylidenehydrazino-6-methyl-3<i>H</i>-pyrimidin-4-one
    —— 2',3'-O-Diacetyl-N<sup>4</sup>-benzoylcytidin-5'-phosphat 50473-90-0 C20H22N3O11P
    2',3'-O-Diacetyl-N<sup>4</sup>-benzoylcytidin-5'-phosphat
    —— 2-(2,4-dinitro-phenyl)-3-methylsulfanyl-2<i>H</i>-[1,2,4]triazin-5-one 42141-33-3 C10H7N5O5S
    2-(2,4-dinitro-phenyl)-3-methylsulfanyl-2<i>H</i>-[1,2,4]triazin-5-one
    —— 2,4,6-tris-(chloro-difluoro-methyl)-4-(1-methyl-butyl)-1,4-dihydro-[1,3,5]triazine 43021-89-2 C11H12Cl3F6N3
    2,4,6-tris-(chloro-difluoro-methyl)-4-(1-methyl-butyl)-1,4-dihydro-[1,3,5]triazine
    —— 2-hydroxy-2-methyl-5-(4-nitro-phenyl)-1,2-dihydro-pyrrol-3-one 54674-20-3 C11H10N2O4
    2-hydroxy-2-methyl-5-(4-nitro-phenyl)-1,2-dihydro-pyrrol-3-one
    —— 2,3,7,7,12,12,17,18-octamethyl-8,13-dioxo-7,8,12,13,22,24-hexahydro-21<i>H</i>-biline-1,19-dicarboxylic acid diethyl ester 54347-44-3 C33H40N4O6
    2,3,7,7,12,12,17,18-octamethyl-8,13-dioxo-7,8,12,13,22,24-hexahydro-21<i>H</i>-biline-1,19-dicarboxylic acid diethyl ester
    —— 2-Methyl-5,6-dihydro-[1,4]oxathiine-3-carboxylic acid (6-methyl-pyridin-2-yl)-amide 50436-13-0 C12H14N2O2S
    2-Methyl-5,6-dihydro-[1,4]oxathiine-3-carboxylic acid (6-methyl-pyridin-2-yl)-amide
    —— 2,2,2-Trichloro-acetimidic acid 2-fluoro-2-phenyl-ethyl ester 40364-76-9 C10H9Cl3FNO
    2,2,2-Trichloro-acetimidic acid 2-fluoro-2-phenyl-ethyl ester
    —— 2,2,2-Trichloro-acetimidic acid 2-fluoro-cyclohexyl ester 40364-77-0 C8H11Cl3FNO
    2,2,2-Trichloro-acetimidic acid 2-fluoro-cyclohexyl ester
    —— 2,4,6-Tripiperidino-2,4,6-triphenyl-cyclotriphosphazatrien 105403-26-7 C33H45N6P3
    2,4,6-Tripiperidino-2,4,6-triphenyl-cyclotriphosphazatrien
    —— 2-{2-Benzyloxycarbonylamino-3-[2-benzyloxycarbonylamino-2-(1-methoxycarbonyl-2-methyl-propylcarbamoyl)-ethylsulfanylthiosulfonyl]-propionylamino}-3-methyl-butyric acid methyl ester 52634-45-4 C34H46N4O12S2
    2-{2-Benzyloxycarbonylamino-3-[2-benzyloxycarbonylamino-2-(1-methoxycarbonyl-2-methyl-propylcarbamoyl)-ethylsulfanylthiosulfonyl]-propionylamino}-3-methyl-butyric acid methyl ester
    —— (2R,3R)-3-[(1S,2S)-1-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-2-nitro-pentyl]-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-furan 765923-94-2 C33H53NO5Si2
    (2R,3R)-3-[(1S,2S)-1-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-2-nitro-pentyl]-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-furan
    —— (2R)-1,1,1-trifluoro-3-(methoxycarbonyl)but-3-en-2-aminium chloride 1613583-20-2 C6H8F3NO2*ClH
    (2R)-1,1,1-trifluoro-3-(methoxycarbonyl)but-3-en-2-aminium chloride
    —— [2-[[3-[2-[(2R)-4-benzoyl-2-methyl-piperazin-1-yl]-2-oxo-acetyl]-1H-indol-7-yl]amino]-2-oxo-ethyl]-trimethyl-ammonium 1357445-86-3 C27H32N5O4
    [2-[[3-[2-[(2R)-4-benzoyl-2-methyl-piperazin-1-yl]-2-oxo-acetyl]-1H-indol-7-yl]amino]-2-oxo-ethyl]-trimethyl-ammonium
    —— 2-Ethyl-N,N'-bis-(2,3,4-trimethoxy-phenyl)-malonamide 52041-23-3 C23H30N2O8
    2-Ethyl-N,N'-bis-(2,3,4-trimethoxy-phenyl)-malonamide
    —— 2,3,4-Tricarbomethoxynorbornadien 52809-87-7 C13H14O6
    2,3,4-Tricarbomethoxynorbornadien
    —— 2-(1-benzyl-3,7-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1<i>H</i>-purin-8-yl)-<i>N</i>-ethyl-acetamide 61328-78-7 C18H21N5O3
    2-(1-benzyl-3,7-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1<i>H</i>-purin-8-yl)-<i>N</i>-ethyl-acetamide
    —— 2-benzooxazol-2-ylsulfanyl-<i>N</i>-(2-chloro-phenylcarbamoyl)-acetamide 54883-50-0 C16H12ClN3O3S
    2-benzooxazol-2-ylsulfanyl-<i>N</i>-(2-chloro-phenylcarbamoyl)-acetamide
    —— 2-benzooxazol-2-ylsulfanyl-<i>N</i>-(4-chloro-phenylcarbamoyl)-acetamide 54883-51-1 C16H12ClN3O3S
    2-benzooxazol-2-ylsulfanyl-<i>N</i>-(4-chloro-phenylcarbamoyl)-acetamide
    —— 2-(3-Benzyloxy-phenyl)-butanal 51038-57-4 C17H18O2
    2-(3-Benzyloxy-phenyl)-butanal
    —— 2,6-Diamino-hexanoic acid {(2R,3S,4R,5R,6R)-5-amino-6-[(1R,2R,3S,4R,6S)-4,6-diamino-2-((2S,3R,4R,5R)-3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yloxy)-3-hydroxy-cyclohexyloxy]-3,4-dihydroxy-tetrahydro-pyran-2-ylmethyl}-amide 50507-49-8 C23H46N6O11
    2,6-Diamino-hexanoic acid {(2R,3S,4R,5R,6R)-5-amino-6-[(1R,2R,3S,4R,6S)-4,6-diamino-2-((2S,3R,4R,5R)-3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yloxy)-3-hydroxy-cyclohexyloxy]-3,4-dihydroxy-tetrahydro-pyran-2-ylmethyl}-amide
    —— <2-<sup>14</sup>C>-6-Propyluracil 54467-42-4 C7H10N2O2
    <2-<sup>14</sup>C>-6-Propyluracil
    —— 2-oxo-2,3,5,6,7,8-hexahydro-imidazo[1,2-<i>a</i>]pyrimidine-6-carboxylic acid ethyl ester 38653-22-4 C9H13N3O3
    2-oxo-2,3,5,6,7,8-hexahydro-imidazo[1,2-<i>a</i>]pyrimidine-6-carboxylic acid ethyl ester
    —— (2-methoxy-6-methoxymethoxy-phenyl)-(3-phenyl-oxiranyl)-methanone 42972-70-3 C18H18O5
    (2-methoxy-6-methoxymethoxy-phenyl)-(3-phenyl-oxiranyl)-methanone
    —— 2-o-Tolyloxy-N-(2,2,2-trichloro-1-o-tolylamino-ethyl)-acetamide 52813-15-7 C18H19Cl3N2O2
    2-o-Tolyloxy-N-(2,2,2-trichloro-1-o-tolylamino-ethyl)-acetamide
    —— 2,3-Dibenzyl-7-(benzyldimethylammonio)-4-aza-2-azonia-bicyclo<3.3.1>non-2-en-diiodid 50636-17-4 C30H37N3*2I
    2,3-Dibenzyl-7-(benzyldimethylammonio)-4-aza-2-azonia-bicyclo<3.3.1>non-2-en-diiodid
    —— 2-Amino-3-(4-hydroxy-phenyl)-propionic acid 2,4,5-trichloro-phenyl ester; hydrobromide 50309-83-6 BrH*C15H12Cl3NO3
    2-Amino-3-(4-hydroxy-phenyl)-propionic acid 2,4,5-trichloro-phenyl ester; hydrobromide
    —— 2,5-dihydroxy-[1,4]benzoquinone; compound with pyridine 99972-66-4 C5H5N*C6H4O4
    2,5-dihydroxy-[1,4]benzoquinone; compound with pyridine
    —— (2-Brom-1,3-dioxo-2-indanyl)acetat 20847-55-6 C11H7BrO4
    (2-Brom-1,3-dioxo-2-indanyl)acetat
    —— 2-((2,6-dimethylimidazo[1,2-a]pyridin-3-yl)amino)propanenitrile compound with 2-hydroxypropanenitrile (1:1) 1176904-06-5 C3H5NO*C12H14N4
    2-((2,6-dimethylimidazo[1,2-a]pyridin-3-yl)amino)propanenitrile compound with 2-hydroxypropanenitrile (1:1)
    —— 2-(2'-deoxy-β-D-erythro-pentofuranosyl)-(2H)-1,2,3-triazole-4-carboxamide-5'-tosylate 532935-44-7 C15H18N4O6S
    2-(2'-deoxy-β-D-erythro-pentofuranosyl)-(2H)-1,2,3-triazole-4-carboxamide-5'-tosylate
    —— (22R)-22-Hydroxy-6,6-ethylenedioxy-3α,5-cyclo-5α-chol-23-ene 202806-60-8 C26H40O3
    (22R)-22-Hydroxy-6,6-ethylenedioxy-3α,5-cyclo-5α-chol-23-ene
    —— 2-(cyclohexylsulfonyl)benzo[d]thiazole 95091-06-8 C13H15NO2S2
    2-(cyclohexylsulfonyl)benzo[d]thiazole
    —— 2-(2-iodophenyl)quinazolin-4(3H)-one 1422448-48-3 C14H9IN2O
    2-(2-iodophenyl)quinazolin-4(3H)-one
    —— 2-[4-(4,5-dimethyl-3-oxidoimidazol-3-ium-1-yl)phenyl]acetic acid 126263-75-0 C13H14N2O3
    2-[4-(4,5-dimethyl-3-oxidoimidazol-3-ium-1-yl)phenyl]acetic acid
    —— 2-(1-ethyl-4,5-dihydro-1H-imidazol-2-yl)benzofuran-5-ol oxalate 1254572-33-2 C2H2O4*C13H14N2O2
    2-(1-ethyl-4,5-dihydro-1H-imidazol-2-yl)benzofuran-5-ol oxalate
    —— 2,3-cyclohexano-3,4-dihydro (5H)-7-benzoyl-1,5-benzodiazepine-4-spiro cyclohexane 137129-49-8 C25H28N2O
    2,3-cyclohexano-3,4-dihydro (5H)-7-benzoyl-1,5-benzodiazepine-4-spiro cyclohexane
    —— 2-(2'-hydroxyphenyl)-4-m-chlorophenyl-1,5-benzodiazepine 84634-55-9 C21H15ClN2O
    2-(2'-hydroxyphenyl)-4-m-chlorophenyl-1,5-benzodiazepine
    —— 2-(1H-[7′-<sup>13</sup>C]inden-1-yl)naphthalene 1421374-66-4 C19H14
    2-(1H-[7′-<sup>13</sup>C]inden-1-yl)naphthalene
    —— (2R,3S,3aS,5R,6S,7R,7aS)-ethyl 6,7-bis(benzyloxy)-5-((benzyloxy)methyl)-octahydro-2-phenylpyrano[3,2-b]pyrrole-3-carboxylate 1037825-21-0 C38H41NO6
    (2R,3S,3aS,5R,6S,7R,7aS)-ethyl 6,7-bis(benzyloxy)-5-((benzyloxy)methyl)-octahydro-2-phenylpyrano[3,2-b]pyrrole-3-carboxylate
    —— 2-[5-(1-fluoro-1-methylethyl)-1,2,4-oxadiazol-3-yl]ethanamine hydrochloride 1244059-40-2 C7H12FN3O*ClH
    2-[5-(1-fluoro-1-methylethyl)-1,2,4-oxadiazol-3-yl]ethanamine hydrochloride
    —— 2,6-Dimethyl-3-(N-isobutylimino)-pyridin 34891-57-1 C11H16N2
    2,6-Dimethyl-3-(N-isobutylimino)-pyridin
    —— 2-(3,4-Di-but-3-enyl-2-oxo-cyclopentyl)-propionic acid 53310-73-9 C16H24O3
    2-(3,4-Di-but-3-enyl-2-oxo-cyclopentyl)-propionic acid
    —— 2-(3,4-Dimethylphenoxy)-1,3-indandion 35693-73-3 C17H14O3
    2-(3,4-Dimethylphenoxy)-1,3-indandion
    —— (2E,4E)-5-Furan-2-yl-3-methyl-penta-2,4-dienoic acid ethyl ester 60234-87-9 C12H14O3
    (2E,4E)-5-Furan-2-yl-3-methyl-penta-2,4-dienoic acid ethyl ester
    —— 2-[Hydroxy-(4-isopropyl-phenyl)-methyl]-6-isopropyl-3-methyl-cyclohexanone 53471-99-1 C20H30O2
    2-[Hydroxy-(4-isopropyl-phenyl)-methyl]-6-isopropyl-3-methyl-cyclohexanone
    —— 2-Hydroxy-4-(3-propyl-thioureido)-benzoic acid methyl ester 40095-41-8 C12H16N2O3S
    2-Hydroxy-4-(3-propyl-thioureido)-benzoic acid methyl ester
    —— 2-(4-Naphthalen-1-ylmethyl-piperazin-1-yl)-[1,3,2]oxazaphosphinane 2-oxide 41379-14-0 C18H24N3O2P
    2-(4-Naphthalen-1-ylmethyl-piperazin-1-yl)-[1,3,2]oxazaphosphinane 2-oxide
    —— 2-(Hydroxy-phenyl-methyl)-N,N-diisopropyl-butyramide 138740-04-2 C17H27NO2
    2-(Hydroxy-phenyl-methyl)-N,N-diisopropyl-butyramide
    —— 2-Cyano-3-(2-diethylmalonate)pyrano<3,4-b>indole-3-one 51217-70-0 C19H16N2O6
    2-Cyano-3-(2-diethylmalonate)pyrano<3,4-b>indole-3-one