InChI=1/C14H15ClN4O/c15-11-3-4-13(19-16)12(8-11)14(20)18-7-5-10-2-1-6-17-9-10/h1-4,6,8-9,19H,5,7,16H2,(H,18,20)/f/h18H 231221D1D79A51BE