| 英文别名： |
Butanoic acid, 4-chloro-, anhydride;Levetiracetam Impurity 31;4-Chlorobutyric anhydride;Levetiracetam Impurity 20 (4-Chlorobutyric Anhydride);Butanoic acid, 4-chloro-, anhydride with 4-chlorobutanoic acid;4-chlorobutanoic anhydride;4-chloro-n-butyric anhydride;Butanoic acid, 4-chloro-, anhydride (9CI); Butyric acid, 4-chloro-, anhydride (7CI,8CI); 4-Chlorobutanoic anhydride;20496-01-9;VAXCCWFPTAPDMK-UHFFFAOYSA-N;SCHEMBL3168190;4-Chlorobutanoic anhydride;4-chlorobutyric anhydride;4-chlorobutanoyl 4-chlorobutanoate |
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