| 1 | 21282-11-1 | pyroglutamylleucine | pyroglutamylleucine | C11H18N2O4
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| 2 | | (2S)-GLY-4PIP(ALLOC) | (2S)-GLY-4PIP(ALLOC) | C11H18N2O4
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| 3 | 58359-49-2 | N-Hydroxy AMobarbital | N-Hydroxy AMobarbital | C11H18N2O4
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| 4 | 903907-74-4 | 奥司他韦杂质E | OseltaMivir iMpurity E | C11H18N2O4
| 杂质对照品;杂质标准品;对照品-杂质对照品 | |
| 5 | 4241-40-1 | 3'-hydroxypentobarbital | 3'-hydroxypentobarbital | C11H18N2O4
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| 6 | 87079-96-7 | 4'-hydroxypentobarbitone | 4'-hydroxypentobarbitone | C11H18N2O4
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| 7 | | 1,3-Dimorpholinopropane-1,3-dione | 1,3-Dimorpholinopropane-1,3-dione | C11H18N2O4
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| 8 | | Lysine, gamma glutamyl, N epsilon A | Lysine, gamma glutamyl, N epsilon A | C11H18N2O4
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| 9 | | N,N'-Trimethylenebis(3-oxobutanamide) | N,N'-Trimethylenebis(3-oxobutanamide) | C11H18N2O4
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| 10 | 10256-01-6 | 1,3-二吗啉丙烷-1,3-二酮 | 1,3-DI-MORPHOLIN-4-YL-PROPANE-1,3-DIONE | C11H18N2O4
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| 11 | 55661-18-2 | 5-Ethyl-5-(3-hydroxypentyl)barbituric acid | 5-Ethyl-5-(3-hydroxypentyl)barbituric acid | C11H18N2O4
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| 12 | 1363381-20-7 | 2-BOC-5-氧杂-2,8-二氮杂 - 螺[3.5]壬-7-酮 | 2-Boc-5-oxa-2,8-diaza-spiro[3.5]nonan-7-one | C11H18N2O4
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| 13 | | 2,5-DIISOPROPOXY-6-METHOXY-3(2H)-PYRIDAZINONE | 2,5-DIISOPROPOXY-6-METHOXY-3(2H)-PYRIDAZINONE | C11H18N2O4
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| 14 | | 5-(4-ACETYLPIPERAZIN-1-YL)-5-OXOPENTANOIC ACID | 5-(4-ACETYLPIPERAZIN-1-YL)-5-OXOPENTANOIC ACID | C11H18N2O4
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| 15 | | 4-(azepan-1-ylcarbonylamino)-4-oxobutanoic acid | 4-(azepan-1-ylcarbonylamino)-4-oxobutanoic acid | C11H18N2O4
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| 16 | | 4-[(cyclohexylcarbamoyl)amino]-4-oxobutanoic acid | 4-[(cyclohexylcarbamoyl)amino]-4-oxobutanoic acid | C11H18N2O4
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| 17 | 1421-07-4 | 5-Ethyl-5-(3-hydroxy-3-methylbutyl)barbituric acid | 5-Ethyl-5-(3-hydroxy-3-methylbutyl)barbituric acid | C11H18N2O4
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| 18 | 137159-34-3 | 5-(二乙氧基甲基)-1H-咪唑-4-甲酸乙酯 | Ethyl 5-(diethoxyMethyl)-1H-iMidazole-4-carboxylate | C11H18N2O4
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| 19 | 723-09-1 | 2-(2,5-二氧代-4,4-二丙基咪唑啉-1-基)乙酸 | (2,5-DIOXO-4,4-DIPROPYLIMIDAZOLIDIN-1-YL)ACETIC ACID | C11H18N2O4
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| 20 | 1245646-76-7 | 叔-丁基 4-(硝基亚甲基)哌啶-1-甲酸基酯 | tert-Butyl 4-(nitromethylene)piperidine-1-carboxylate | C11H18N2O4
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| 21 | 1490643-55-4 | 叔丁基(1-甲基-2,6-二氧哌啶-3-基)氨基甲酸酯 | tert-butyl (1-methyl-2,6-dioxopiperidin-3-yl)carbamate | C11H18N2O4
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| 22 | | 4-amino-2-[(cyclopentylacetyl)amino]-4-oxobutanoic acid | 4-amino-2-[(cyclopentylacetyl)amino]-4-oxobutanoic acid | C11H18N2O4
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| 23 | 25384-72-9 | 2-(Carbamoyloxymethyl)-2-methylbutyl=2-propynylcarbamate | 2-(Carbamoyloxymethyl)-2-methylbutyl=2-propynylcarbamate | C11H18N2O4
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| 24 | | 2-(4-ethyl-2,3-dioxopiperazin-1-yl)-3-methylbutanoic acid | 2-(4-ethyl-2,3-dioxopiperazin-1-yl)-3-methylbutanoic acid | C11H18N2O4
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| 25 | 626223-73-2 | 5-(2,2-DIMETHYL-3-OXO-PIPERAZIN-1-YL)-5-OXO-PENTANOIC ACID | 5-(2,2-DIMETHYL-3-OXO-PIPERAZIN-1-YL)-5-OXO-PENTANOIC ACID | C11H18N2O4
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| 26 | 67050-95-7 | 5-Ethyl-5-(1-propoxyethyl)-2,4,6(1H,3H,5H)-pyrimidinetrione | 5-Ethyl-5-(1-propoxyethyl)-2,4,6(1H,3H,5H)-pyrimidinetrione | C11H18N2O4
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| 27 | | 1-(2-MORPHOLIN-4-YLETHYL)-5-OXOPYRROLIDINE-3-CARBOXYLIC ACID | 1-(2-MORPHOLIN-4-YLETHYL)-5-OXOPYRROLIDINE-3-CARBOXYLIC ACID | C11H18N2O4
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| 28 | | 2-(4-butyl-4-methyl-2,5-dioxoimidazolidin-1-yl)propanoic acid | 2-(4-butyl-4-methyl-2,5-dioxoimidazolidin-1-yl)propanoic acid | C11H18N2O4
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| 29 | 1642899-83-9 | 叔-丁基 2-氧亚基-1-氧杂-3,7-二氮杂螺[4.4]壬烷-7-甲酸基酯 | tert-butyl 2-oxo-1-oxa-3,7-diazaspiro[4.4]nonane-7-carboxylate | C11H18N2O4
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| 30 | 297761-73-0 | Butanoic acid, 2-[acetyl[(2-oxo-1-pyrrolidinyl)methyl]amino]- | Butanoic acid, 2-[acetyl[(2-oxo-1-pyrrolidinyl)methyl]amino]- | C11H18N2O4
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| 31 | | 5-amino-2-{[(2E)-2-methylpent-2-enoyl]amino}-5-oxopentanoic acid | 5-amino-2-{[(2E)-2-methylpent-2-enoyl]amino}-5-oxopentanoic acid | C11H18N2O4
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| 32 | | [4-METHYL-4-(3-METHYLBUTYL)-2,5-DIOXOIMIDAZOLIDIN-1-YL]ACETIC ACID | [4-METHYL-4-(3-METHYLBUTYL)-2,5-DIOXOIMIDAZOLIDIN-1-YL]ACETIC ACID | C11H18N2O4
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| 33 | 1975118-75-2 | ethyl 3-[(2-methoxyethoxy)methyl]-1-methyl-1H-pyrazole-4-carboxylate | ethyl 3-[(2-methoxyethoxy)methyl]-1-methyl-1H-pyrazole-4-carboxylate | C11H18N2O4
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| 34 | 266353-19-9 | N-(2-氰基乙基)-N-[叔丁氧羰基]甘氨酸甲酯 | N-(2-Cyanoethyl)-N-[(1,1-dimethylethoxy)carbonyl]glycine methyl ester | C11H18N2O4
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| 35 | 935544-47-1 | 四氢-3-氧代-3H-恶唑并[3,4-A]吡嗪-7(1H)-羧酸叔丁酯 | TERT-BUTYL 3-OXOTETRAHYDRO-1H-OXAZOLO[3,4-A]PYRAZINE-7(3H)-CARBOXYLATE | C11H18N2O4
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| 36 | | 1,3-dimethyl-5-[2-(propan-2-yloxy)ethoxy]-1H-pyrazole-4-carboxylic acid | 1,3-dimethyl-5-[2-(propan-2-yloxy)ethoxy]-1H-pyrazole-4-carboxylic acid | C11H18N2O4
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| 37 | 1251000-12-0 | 6-Oxo-8-Oxa-2,5-Diaza-Spiro[3.5]Nonane-2-Carboxylic Acid Tert-Butyl Ester | 6-Oxo-8-Oxa-2,5-Diaza-Spiro[3.5]Nonane-2-Carboxylic Acid Tert-Butyl Ester | C11H18N2O4
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| 38 | 1250994-08-1 | 相对-叔丁基(4aR,7aR)-3-氧六氢吡咯并[3,4-b][1,4]噁嗪-6(2H)-羧酸盐 | Trans-Tert-Butyl3-Oxohexahydropyrrolo[3,4-B][1,4]Oxazine-6(2H)-Carboxylate | C11H18N2O4
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| 39 | 473573-76-1 | 2-Aziridinecarboxylic acid, 1,1'-(1,3-propanediyl)bis-, dimethyl ester (9CI) | 2-Aziridinecarboxylic acid, 1,1'-(1,3-propanediyl)bis-, dimethyl ester (9CI) | C11H18N2O4
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| 40 | 1822511-47-6 | 6-(叔丁氧羰基)-2,6-二氮杂螺[3.3]庚烷-1-羧酸 | 2,6-Diazaspiro[3.3]heptane-1,6-dicarboxylic acid, 6-(1,1-dimethylethyl) ester | C11H18N2O4
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| 41 | 78279-10-4 | 2-Propenoic acid, 2-methyl-, 2-(1-methylpropylidene)aminooxycarbonylaminoethyl ester | 2-Propenoic acid, 2-methyl-, 2-(1-methylpropylidene)aminooxycarbonylaminoethyl ester | C11H18N2O4
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| 42 | 1207551-41-4 | 1-Pyrrolidinecarboxylic acid, 2-[(1E)-2-nitroethenyl]-, 1,1-dimethylethyl ester, (2R)- | 1-Pyrrolidinecarboxylic acid, 2-[(1E)-2-nitroethenyl]-, 1,1-dimethylethyl ester, (2R)- | C11H18N2O4
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| 43 | 958635-18-2 | (8AS)-四氢-3-氧代-3H-恶唑并[3,4-A]吡嗪-7(1H)-羧酸叔丁酯 | (8aS)-Tetrahydro-3-oxo-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxylic acid 1,1-dimethylethyl ester | C11H18N2O4
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| 44 | 1033712-93-4 | Furo[3,4-b]pyrazine-1(2H)-carboxylic acid, hexahydro-3-oxo-, 1,1-dimethylethyl ester, (4aR,7aS)-rel- | Furo[3,4-b]pyrazine-1(2H)-carboxylic acid, hexahydro-3-oxo-, 1,1-dimethylethyl ester, (4aR,7aS)-rel- | C11H18N2O4
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