| Record Information | 
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| HMDB Status | detected | 
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| Creation Date | 2024-02-20 23:51:45 UTC | 
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| Update Date | 2025-03-21 18:03:12 UTC | 
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| HMDB ID | HMDB0248795 | 
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| Metabolite Identification | 
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| DeepMet ID | DMID00042726 | 
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| Name | 2-Azetidinone | 
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| Frequency | 79.9 | 
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| Structure |  | 
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| Chemical Formula | C3H5NO | 
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| Molecular Mass | 71.0371 | 
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| SMILES | O=C1CCN1 | 
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| InChI Key | MNFORVFSTILPAW-UHFFFAOYSA-N | 
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| Chemical Taxonomy | 
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| Kingdom | organic compounds | 
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| Superclass | organoheterocyclic compounds | 
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| Class | lactams | 
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| Subclass | beta lactams | 
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| Direct Parent | monobactams | 
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| Geometric Descriptor | aliphatic heteromonocyclic compounds | 
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| Alternative Parents | azacyclic compoundsazetidinescarbonyl compoundscarboxylic acids and derivativeshydrocarbon derivativesorganic oxidesorganonitrogen compoundsorganopnictogen compoundssecondary carboxylic acid amides | 
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| Substituents | carbonyl groupazacyclemonobactamcarboxamide groupcarboxylic acid derivativeazetidinesecondary carboxylic acid amideorganic oxideorganic oxygen compoundaliphatic heteromonocyclic compoundorganonitrogen compoundorganopnictogen compoundhydrocarbon derivativeorganic nitrogen compoundorganooxygen compound | 
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