InChI=1S/C25H30O6/c1-5-6-7-8-15-13-16(26)18-19-20-23(4,31-21(18)30-15)11-12-25(28)22(2,3)17(27)9-10-24(20,25)14-29-19/h5-8,13,19-20,28H,9-12,14H2,1-4H3/b6-5+,8-7+/t19-,20-,23+,24-,25+/m0/s1