Pathway (2)   
   KEGG PATHWAY (2)   
Drug (1)   
   KEGG DRUG (1)   
Chemical substance (7)   
   PubChem (1)   
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   HMDB (1)   
   HSDB (1)   
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Chemical reaction (2)   
   KEGG ENZYME (1)   
   KEGG REACTION (1)   
Gene (531)   
   KEGG GENES (531)   
All databases (543)   

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