InChI=1S/C50H58N4O4P2/c1-57-43-29-25-41(26-30-43)49(59(55,45-17-7-3-8-18-45)46-19-9-4-10-20-46)51-33-15-35-53-37-39-54(40-38-53)36-16-34-52-50(42-27-31-44(58-2)32-28-42)60(56,47-21-11-5-12-22-47)48-23-13-6-14-24-48/h3-14,17-32,49-52H,15-16,33-40H2,1-2H3