InChI=1S/C22H25N3O7/c1-24-16-10-7-8-6-9-11(25(2)3)4-5-12(26)14(9)17(27)13(8)19(29)22(10,32)20(30)15(18(16)28)21(23)31/h4-5,8,10,16,24,26,28-29,32H,6-7H2,1-3H3,(H2,23,31)/t8-,10-,16-,22-/m0/s1