InChI=1S/C33H44O3/c1-24(16-11-17-26(3)21-22-30-27(4)19-13-23-32(30,7)8)14-9-10-15-25(2)18-12-20-28(5)33(35)31(36-33)29(6)34/h9-12,14-18,20-22,31,35H,13,19,23H2,1-8H3/b10-9+,16-11+,18-12+,22-21+,24-14+,25-15-,26-17-,28-20+