InChI=1S/C35H67NO4/c1-4-6-8-10-12-13-14-15-16-18-20-24-29-34(39)35(40)36-32(30-37)33(38)28-25-21-23-27-31(3)26-22-19-17-11-9-7-5-2/h25,27-28,32-34,37-39H,4-24,26,29-30H2,1-3H3,(H,36,40)/b28-25+,31-27+