InChI=1/C20H26N4O4/c1-27-17-8-13-5-7-23(12-14(13)9-18(17)28-2)19(25)10-16(22)20(26)24-6-3-4-15(24)11-21/h8-9,15-16H,3-7,10,12,22H2,1-2H3/p+1/t15-,16-/m0/s1/fC20H27N4O4/h22H/q+1 5010027891E3C243