Ontology (3)   
   KEGG BRITE (3)   
Pathway (1077)   
   KEGG PATHWAY (1077)   
Drug (4)   
   KEGG DRUG (4)   
Chemical substance (16)   
   PubChem (1)   
   ChEBI (1)   
   3DMET (1)   
   HMDB (1)   
   KNAPSACK (1)   
   LIPIDBANK (1)   
   LIPIDMAPS (1)   
   MASSBANK (7)   
   NIKKAJI (1)   
   PDB-CCD (1)   
Chemical reaction (5)   
   KEGG ENZYME (2)   
   KEGG REACTION (1)   
   KEGG RPAIR (2)   
All databases (1105)