InChI=1/C16H21ClN4O/c1-20(12-14-5-2-6-15(17)11-14)13-16(22)18-7-3-9-21-10-4-8-19-21/h2,4-6,8,10-11H,3,7,9,12-13H2,1H3,(H,18,22)/f/h18H C816640729C9D6C4