InChI=1/C14H18Cl3NO3/c1-8(2)3-9(6-19)18-14(20)7-21-13-5-11(16)10(15)4-12(13)17/h4-5,8-9,19H,3,6-7H2,1-2H3,(H,18,20)/t9-/m1/s1/f/h18H D1A93B5D0B1A22F8