InChI=1/C15H15ClN4O/c1-11(21)15(19-17-12-7-3-2-4-8-12)20-18-14-10-6-5-9-13(14)16/h2-10,17-18H,1H3,(H,19,20)/p+1/fC15H16ClN4O/h19-20H/q+1 8E85888E0F34C849