InChI=1S/C30H42O2/c1-23(12-8-9-13-24(2)15-11-17-26(4)22-31)14-10-16-25(3)18-19-29-27(5)20-28(32)21-30(29,6)7/h8-19,28,31-32H,20-22H2,1-7H3/b9-8+,14-10+,15-11+,19-18+,23-12-,24-13-,25-16+,26-17+/t28-/m1/s1