InChI=1S/C26H31N3O8/c1-25(2,3)27-10-18(32)28-14-8-15(29(4)5)12-6-11-7-13-21(33)16(30)9-17(31)26(13,37)24(36)19(11)23(35)20(12)22(14)34/h8,11,13,27,34,36-37H,6-7,9-10H2,1-5H3,(H,28,32)/t11?,13?,26-/m1/s1