InChI=1/C13H15N3O2/c1-8-6-9-4-5-10(14-13(18)16(2)3)7-11(9)15-12(8)17/h4-7H,1-3H3,(H,14,18)(H,15,17)/f/h14-15H 0B88B448BCAD4E1C