8924 -OEChem-04030813142D 0 0 0 0 0 0 0 0 0999 V2000 M END > 8924 > 2 > KEGG > C06699 > C06699 Polar amino acid > C06699 > http://www.genome.jp/kegg/kegg2.html > http://www.genome.jp/dbget-bin/www_bget?cpd+C06699 $$$$