InChI=1S/C25H28O6/c1-13(2)6-5-8-25(4)17-7-9-24(3,30)12-16(17)20-21(28)15-10-14(26)11-18(27)19(15)22(29)23(20)31-25/h6,10-12,17,26-27,30H,5,7-9H2,1-4H3/t17-,24+,25+/m1/s1