InChI=1/C21H26N4O4/c26-19(22-14-18-4-3-13-29-18)15-23-20(27)21(28)24-17-7-5-16(6-8-17)9-12-25-10-1-2-11-25/h3-8,13H,1-2,9-12,14-15H2,(H,22,26)(H,23,27)(H,24,28)/p+1/fC21H27N4O4/h22-25H/q+1 05BC9694DC0A68CA