InChI=1/C17H17ClN2O3/c1-10-12(8-19)15(11-6-4-5-7-13(11)18)16(17(21)23-3)14(20-10)9-22-2/h4-7,15,20H,9H2,1-3H3/t15-/m0/s1 17E1782EE8C924DA