InChI=1/C16H19N5O2/c17-16(20-12-13-6-2-1-3-7-13)19-11-10-18-14-8-4-5-9-15(14)21(22)23/h1-9,18H,10-12H2,(H3,17,19,20)/p+1/fC16H20N5O2/h19-20H,17H2/q+1 E593364BC313C731