004587: InChI=1.12Beta/C20H20O6/c1-24-17-6-10(3-4-15(17)21)19-12-8-16(22)18(25-2)7-11(12)5-13-14(19)9-26-20(13)23/h1-2H3,3-4H,5H2,6-8H,9H2,13-14H,19H,21-22H/t13-,14+,19+/m0/s1