InChI=1/C20H26N4O4/c1-22-10-12-23(13-11-22)19(25)8-9-24-20(26)7-5-16(21-24)15-4-6-17(27-2)18(14-15)28-3/h4-7,14H,8-13H2,1-3H3/p+1/fC20H27N4O4/h22H/q+1 4FF02C78E10310A6