InChI=1S/C26H33NO7/c1-6-7-8-9-10-15(2)22(29)20-21-19(24(31)33-5)17-13-16(3)27(11-12-28)14-18(17)23(30)26(21,4)34-25(20)32/h13-15,28H,6-12H2,1-5H3/t15-,26-/m1/s1