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