InChI=1/C15H16ClN3O2/c1-17-11-5-4-8-9-6-13(21-15(20)18-2)10(16)7-12(9)19(3)14(8)11/h6-7H,4-5H2,1-3H3,(H,18,20)/f/h18H B4E221F5393117A2