InChI=1/C20H20ClN3O3/c1-3-24(10-14-4-6-22-7-5-14)11-17-13(2)27-20(23-17)15-8-18-19(9-16(15)21)26-12-25-18/h4-9H,3,10-12H2,1-2H3/p+1/fC20H21ClN3O3/h24H/q+1 6B522D9EB5354E73