4H-1-Benzopyran-4-one,2,3-dihydro-5-hydroxy-2-(4-hydroxyphenyl)-7-[[6-O-[(2E)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]-.beta.-D-glucopyranosyl]oxy]- 94392-49-1 AIDS-031278 AIDS031278 NSC339192