InChI=1/C13H14ClN3O2/c1-13(2,11(18)17-12-15-7-8-16-12)19-10-5-3-9(14)4-6-10/h3-8H,1-2H3,(H2,15,16,17,18)/f/h15-16H 0F7AC8B153B6B07A