InChI=1S/C50H98NO8P/c1-4-6-8-10-12-14-16-18-20-22-23-24-25-27-29-31-33-35-37-39-41-43-50(53)59-48(47-58-60(54,55)57-45-44-51-3)46-56-49(52)42-40-38-36-34-32-30-28-26-21-19-17-15-13-11-9-7-5-2/h18,20,48,51H,4-17,19,21-47H2,1-3H3,(H,54,55)/b20-18-