InChI=1/C20H26N4O4/c25-18(15-7-2-1-3-8-15)22-12-6-9-16(22)19(26)28-14-13-24-20(27)23-11-5-4-10-17(23)21-24/h4-5,10-11,15-16H,1-3,6-9,12-14H2/t16-/m1/s1 84EB037BF1524B1A