InChI=1S/C25H28O5/c1-16(2)5-4-6-17(3)7-13-20-22(28)15-23(29)24(25(20)30)21(27)14-10-18-8-11-19(26)12-9-18/h5,7-12,14-15,26,28-30H,4,6,13H2,1-3H3/b14-10+,17-7+