InChI=1S/C22H25N3O6/c1-11(2)9-16-21(13-7-6-12(31-3)10-14(13)23-19(21)28)18(27)22(30)20(29)24-8-4-5-15(24)17(26)25(16)22/h6-7,9-10,15-16,18,27,30H,4-5,8H2,1-3H3,(H,23,28)/t15-,16-,18-,21-,22+/m0/s1