InChI=1S/C33H38P/c1-27(22-23-32-28(2)15-14-25-33(32,3)4)24-26-34(29-16-8-5-9-17-29,30-18-10-6-11-19-30)31-20-12-7-13-21-31/h5-13,16-24H,14-15,25-26H2,1-4H3/q+1/b23-22+,27-24-