preferred_name: lysyl(3-carbamidopropyl O-(5-acetamido-3,5-dideoxygalacto-2-nonulopyranosylonic acid)-2-3-galactopyranosyl-1-4-O-(fucopyranosyl-1-3)-O-2-acetamido-2-deoxyglucopyranoside)-glycyl-arginyl-glycyl-aspartyl-serine