InChI=1/C16H15ClN4O/c1-19-9-10-5-7-11(8-6-10)21-15(17)12-3-2-4-13(16(18)22)14(12)20-21/h2-8,19H,9H2,1H3,(H2,18,22)/p+1/fC16H16ClN4O/h19H,18H2/q+1 DF436FD5C3415F1D