InChI=1/C18H15ClN2/c1-10-15-9-21(3)7-6-13(15)11(2)18-17(10)14-8-12(19)4-5-16(14)20-18/h4-9H,1-3H3/p+1/fC18H16ClN2/h20H/q+1 B0B034B62F304620