InChI=1S/C43H42N4O6/c48-34-15-13-32(14-16-34)47(31-10-2-1-3-11-31)43(50)37-23-39(45-17-7-6-12-38(37)45)35-24-40-41(53-28-52-40)25-36(35)42(49)46-26-30-9-5-4-8-29(30)22-33(46)27-44-18-20-51-21-19-44/h1-5,8-11,13-16,23-25,33,48H,6-7,12,17-22,26-28H2/t33-/m1/s1