InChI=1/C16H17ClN4O/c1-11-18-6-8-21(11)7-2-5-19-16(22)14-10-20-15-9-12(17)3-4-13(14)15/h3-4,6,8-10,20H,2,5,7H2,1H3,(H,19,22)/p+1/fC16H18ClN4O/h18-19H/q+1 552F865C0DD2A17E