| 1 | 1340545-90-5 | Memantine Impurity 16 | Memantine Impurity 16 | C18H31NO5
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| 2 | 68877-11-2 | 4-[(羰甲基)氨基]十二烯基-4-氧基丁酸 | 4-[(carboxymethyl)amino]dodecenyl-4-oxobutyric acid | C18H31NO5
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| 3 | | 2-[Bis(1,1-dihydroxyethyl)aminomethyl]-4-heptylphenol | 2-[Bis(1,1-dihydroxyethyl)aminomethyl]-4-heptylphenol | C18H31NO5
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| 4 | 1039171-10-2 | ethyl (S)-2-(N-(tert-butoxycarbonyl)acetamido)non-8-enoate | ethyl (S)-2-(N-(tert-butoxycarbonyl)acetamido)non-8-enoate | C18H31NO5
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| 5 | 5877-44-1 | (Z)-2-Butenedioic acid hydrogen 1-[2-[(1-oxododecyl)amino]ethyl] ester | (Z)-2-Butenedioic acid hydrogen 1-[2-[(1-oxododecyl)amino]ethyl] ester | C18H31NO5
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| 6 | 163685-37-8 | 3 - [2-羟基- 3- [4 - (2-甲氧基乙基)苯氧基]丙氧基] -1 -异丙基氨基丙醇 | 3-[2-Hydroxy-3-[4-(2-methoxyethyl)phenoxy]propoxy]-1-isopropylamino-2-propanol | C18H31NO5
| 杂质对照品;美托洛尔杂质;对照品-杂质对照品 | |
| 7 | 146651-72-1 | Carbamic acid, N-[2-(2-propen-1-yloxy)-1,1-bis[(2-propen-1-yloxy)methyl]ethyl]-, 1,1-dimethylethyl ester | Carbamic acid, N-[2-(2-propen-1-yloxy)-1,1-bis[(2-propen-1-yloxy)methyl]ethyl]-, 1,1-dimethylethyl ester | C18H31NO5
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