InChI=1S/C34H61NO4/c1-3-5-7-8-9-10-11-14-17-20-24-28-33(38)32(30-36)35-34(39)29-25-21-18-15-12-13-16-19-23-27-31(37)26-22-6-4-2/h6,16,19,22-24,27-28,31-33,36-38H,3-5,7-15,17-18,20-21,25-26,29-30H2,1-2H3,(H,35,39)/b19-16+,22-6+,27-23+,28-24+/t31?,32-,33+/m0/s1