InChI=1S/C20H34N4O4/c1-6-12(4)16-19(27)21-13(5)17(25)22-14(10-11(2)3)20(28)24-9-7-8-15(24)18(26)23-16/h11-16H,6-10H2,1-5H3,(H,21,27)(H,22,25)(H,23,26)/t12-,13-,14-,15-,16-/m0/s1