InChI=1/C19H25N5O4/c1-11(15(25)14-16(20)23(4)19(28)24(5)18(14)27)22(3)10-12-6-8-13(9-7-12)17(26)21-2/h6-9,11H,10,20H2,1-5H3,(H,21,26)/p+1/t11-/m1/s1/fC19H26N5O4/h21-22H/q+1 6FAC7657DE5C304F