InChI=1/C21H30N4O4/c26-18-3-4-19(22-14-18)21(28)23-8-5-17(6-9-23)25-7-1-2-16(15-25)20(27)24-10-12-29-13-11-24/h3-4,14,16-17,26H,1-2,5-13,15H2/p+1/t16-/m0/s1/fC21H31N4O4/h25H/q+1 9FCF95DEDA012C93