InChI=1/C15H20N4O/c20-15-13-8-4-5-9-14(13)16-17-19(15)12-18-10-6-2-1-3-7-11-18/h4-5,8-9H,1-3,6-7,10-12H2/p+1/fC15H21N4O/h18H/q+1 AD656A66E5103041