InChI=1S/C50H90O7P2/c1-41(2)21-31-53-58(51,54-32-22-42(3)4)57-59(52,35-25-45(9)10,36-26-46(11)12,37-27-47(13)14,38-28-48(15)16,39-29-49(17)18,40-30-50(19)20,55-33-23-43(5)6)56-34-24-44(7)8/h21-30H,31-40H2,1-20H3