InChI=1/C18H28N4O4/c1-6-26-18(25)21-15-9-7-8-14(12(15)4)20-13(5)16(23)22-17(24)19-10-11(2)3/h7-9,11,13,20H,6,10H2,1-5H3,(H,21,25)(H2,19,22,23,24)/t13-/m0/s1/f/h19,21-22H CA2626080C06E583