InChI=1/C20H30N4O4/c1-2-15(14-25)22-19(27)20(28)23-17-9-7-16(8-10-17)21-18(26)13-24-11-5-3-4-6-12-24/h7-10,15,25H,2-6,11-14H2,1H3,(H,21,26)(H,22,27)(H,23,28)/p+1/t15-/m1/s1/fC20H31N4O4/h21-24H/q+1 91D606318B85B78E