InChI=1/C19H18N4O5/c1-19(17(26)22-18(27)23-19)12-5-3-6-13(9-12)21-16(25)11-4-2-7-14(8-11)28-10-15(20)24/h2-9H,10H2,1H3,(H2,20,24)(H,21,25)(H2,22,23,26,27)/t19-/m1/s1/f/h21-23H,20H2	6B5D65E3202A798F