InChI=1/C15H13ClN2O2/c1-18-12-5-4-10(16)8-11(12)17-15(18)9-3-6-13(19)14(7-9)20-2/h3-8,19H,1-2H3/p+1/fC15H14ClN2O2/h17H/q+1 86FBC918D057E25B