Pathway (3)   
   KEGG PATHWAY (2)   
   KEGG MODULE (1)   
Drug (3)   
   KEGG DRUG (1)   
   KEGG ENVIRON (1)   
   CHEMBL (1)   
Chemical substance (19)   
   PubChem (1)   
   ChEBI (1)   
   3DMET (1)   
   HMDB (1)   
   MASSBANK (14)   
   NIKKAJI (1)   
Chemical reaction (5)   
   KEGG ENZYME (2)   
   KEGG REACTION (3)   
Gene (4000)   
   KEGG GENES (4000)   
All databases (4030)   

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