InChI=1/C18H19N5/c1-2-13-8-10-14(11-9-13)16-12-17(15-6-4-3-5-7-15)23-18(19-16)20-21-22-23/h3-11,16-17H,2,12H2,1H3,(H,19,20,22)/t16-,17+/m1/s1/f/h19H 1EA4106E402FDE29