InChI=1/C18H20N4O/c1-9-6-15(23-10(9)2)16-12(8-19)18(20)21-13-7-11-4-5-14(17(13)16)22(11)3/h6,11,14H,4-5,7H2,1-3H3,(H2,20,21)/t11-,14+/m1/s1/f/h20H2 C87983A951457A21