Date of deprecation: 10:16, Mar 21, 2014
Reason for deprecation: Deprecate record: Odd valence (II) on carbon. Data sources do not support this structure. See record 7957 for the correct structure.
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Common reasons for deprecation are:
- Chemically impossible structures (eg. incorrect valence atoms)
- Lack of any linking data sources
- Poor depiction of a structure that is already in ChemSpider