InChI=1S/C27H37N3O7/c1-36-24-16-19(6-9-21(24)31)7-11-26(34)29-14-4-3-12-28-13-5-15-30-27(35)18-23(33)20-8-10-22(32)25(17-20)37-2/h6-11,16-17,23,28,31-33H,3-5,12-15,18H2,1-2H3,(H,29,34)(H,30,35)