InChI=1/C19H26N4O4/c1-5-19(17(26)21-18(27)22-19)13-6-8-23(9-7-13)16(25)14-10(2)15(12(4)24)20-11(14)3/h13,20H,5-9H2,1-4H3,(H2,21,22,26,27)/t19-/m0/s1/f/h21-22H	721552BC85121856