Glycan Viewer G00056HH G00087ZB G00104PH G00116DX G00121QU G00167VE G00171RJ G00176HZ G00219DO database: GlyTouCan IUPAC GlyTouCan SNFG UniCaribKB glyconavi knapsack lipidbank flavonoid KEGG SNFG KEGG Glycan KEGG COMPOUND PDB Component nikkajiweb CHEBI PubChem CID PubChem SID