InChI=1/C19H28N4O4/c1-13-6-5-9-22(11-13)19(3,4)12-20-17(24)18(25)21-15-8-7-14(2)16(10-15)23(26)27/h7-8,10,13H,5-6,9,11-12H2,1-4H3,(H,20,24)(H,21,25)/p+1/t13-/m1/s1/fC19H29N4O4/h20-22H/q+1 55D94AD3FA97BA84