InChI=1S/C31H39N5O5/c1-18(2)26(32-4)30(39)36-27-28(19(3)17-37)41-22-11-9-20(10-12-22)13-14-33-29(38)25(35-31(27)40)15-21-16-34-24-8-6-5-7-23(21)24/h5-14,16,18-19,25-28,32,34,37H,15,17H2,1-4H3,(H,33,38)(H,35,40)(H,36,39)/b14-13-