InChI=1S/C43H53N3O8/c1-2-3-4-5-17-50-19-20-51-18-16-44-42(47)28-6-13-35(43(48)49)38(21-28)41-36-14-11-29(45-31-7-8-32(45)25-52-24-31)22-39(36)54-40-23-30(12-15-37(40)41)46-33-9-10-34(46)27-53-26-33/h6,11-14,21-23,31-34H,2-5,7-10,15-20,24-27H2,1H3,(H,44,47)(H,48,49)/t31-,32+,33-,34+