InChI=1/C19H22N4O4/c1-12-10-15(24)20-13-6-2-3-7-14(13)23(12)16(25)11-22-17(26)19(21-18(22)27)8-4-5-9-19/h2-3,6-7,12H,4-5,8-11H2,1H3,(H,20,24)(H,21,27)/t12-/m1/s1/f/h20-21H	1B11022C49217C95