InChI=1/C16H17ClN2O3/c1-22-15(21)16(6-2-3-7-16)19-14(20)12-9-18-13-8-10(17)4-5-11(12)13/h4-5,8-9,18H,2-3,6-7H2,1H3,(H,19,20)/f/h19H 6E04C81C45DAFC3B