InChI=1/C15H19N5O/c16-19-15-12(9-11-3-1-2-4-13(11)18-15)10-20-7-5-14(21)17-6-8-20/h1-4,9H,5-8,10,16H2,(H,17,21)(H,18,19)/f/h17,19H 095B6553BC97C608