InChI=1/C14H17N5O2/c15-11-10(17-21-18-11)12-16-13(20-19-12)14-4-7-1-8(5-14)3-9(2-7)6-14/h7-9H,1-6H2,(H2,15,18)/f/h15H2 535C6D5A710FC14B