InChI=1/C20H34N4O4/c1-5-8-13(3)21-18(25)15-9-7-10-24(11-15)12-16-17(19(26)28-6-2)14(4)22-20(27)23-16/h13-15H,5-12H2,1-4H3,(H,21,25)(H2,22,23,27)/t13-,14+,15-/m1/s1/f/h21-23H 64AD73F8D0895FB5