4H-1-benzopyran-4-one, 6-[(1S,2R)-2-(3,6-dihydro-6-oxo-2H-pyran-2-yl)-2-hydroxy-1-phenylethyl]-2,3-dihydro-5,7-dihydroxy-2-phenyl-, (2S)- 9-(acetyloxy)-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-10-yl propionate InChI=1/C19H20O7/c1-5-13(21)24-17-15-12(26-19(3,4)18(17)23-10(2)20)8-6-11-7-9-14(22)25-16(11)15/h6-9,17-18H,5H2,1-4H Propionic acid (9R,10R)-9-acetoxy-8,8-dimethyl-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one-10-yl ester Propionic acid 9-acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-10-yl ester