5,7-Dimethoxy-3,10-dimethyl-9-((3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-naphtho[2,3-c]pyran-1-one AIDS-113427 AIDS113427 Paepalantine-9-O-.beta.-D-glucopyranoside