InChI=1S/C21H25N3O7/c1-7-15(29-3)14(25)10-12-20(27)31-19-9-6-8-11(22(9)2)13(24(12)19)16(21(10,28)17(7)26)23-4-5-30-18(8)23/h8-9,11,13,16,18-20,27-28H,4-6H2,1-3H3/t8-,9-,11+,13-,16+,18+,19-,20+,21-/m0/s1