132922-81-7 4H-Naphtho(2,3-b)pyran-4-one, 6-((6-O-D-apio-beta-D-furanosyl-beta-D-glucopyranosyl)oxy)-5-hydroxy-8-methoxy-2,7-dimethyl- QQFGP Quinquangulin-6-apiofuranosyl-(1-6)-glucopyranoside