InChI=1S/C27H37N3O7/c1-36-23-17-19(6-9-21(23)31)7-10-25(33)30-15-5-13-28-12-3-4-14-29-26(34)11-8-20-16-22(32)27(35)24(18-20)37-2/h6-7,9-10,16-18,28,31-32,35H,3-5,8,11-15H2,1-2H3,(H,29,34)(H,30,33)/b10-7+