InChI=1/C30H32N2P2/c1-5-13-27(14-6-1)21-31-23-33(29-17-9-3-10-18-29)25-32(22-28-15-7-2-8-16-28)26-34(24-31)30-19-11-4-12-20-30/h1-20H,21-26H2 61D64F0CD0F18D08