InChI=1/C16H17ClN4O/c1-10(11-6-2-4-8-13(11)17)18-21-16(22)15-12-7-3-5-9-14(12)19-20-15/h2,4,6,8H,3,5,7,9H2,1H3,(H,19,20)(H,21,22)/b18-10+/f/h19,21H F277D42BC3CF78DB