InChI=1S/C21H27N3O6/c1-23(17(26)8-7-14-5-3-2-4-6-14)10-9-15-11-24(13-22-15)21-20(29)19(28)18(27)16(12-25)30-21/h2-8,11,13,16,18-21,25,27-29H,9-10,12H2,1H3/b8-7+/t16-,18-,19+,20-,21-/m1/s1