InChI=1S/C43H84NO8P/c1-4-6-8-10-12-14-16-18-19-20-21-22-23-24-26-27-29-31-33-35-42(45)49-39-41(40-51-53(47,48)50-38-37-44-3)52-43(46)36-34-32-30-28-25-17-15-13-11-9-7-5-2/h18-19,41,44H,4-17,20-40H2,1-3H3,(H,47,48)/b19-18-