2H-furo[2,3-h]-1-benzopyran-2-one, 8-acetyl-5-hydroxy-6-(3-methyl-1-oxobutyl)-4-phenyl- 8-acetyl-5-hydroxy-6-(3-methylbutanoyl)-4-phenyl-2H-furo[2,3-h]chromen-2-one InChI=1/C24H20O6/c1-12(2)9-17(26)21-22(28)20-15(14-7-5-4-6-8-14)11-19(27)30-23(20)16-10-18(13(3)25)29-24(16)21/h4-8,10-12,28H,9H2,1-3H