InChI=1S/C25H40N6O4/c1-16(2)21-25(35)31(20(12-8-14-27)23(33)30-21)24(34)19(15-17-9-4-3-5-10-17)29-22(32)18(28)11-6-7-13-26/h3-5,9-10,16,18-21H,6-8,11-15,26-28H2,1-2H3,(H,29,32)(H,30,33)/t18?,19?,20-,21+/m1/s1