InChI=1/C14H18ClFN2O3/c1-3-18(7-9(2)14(20)21)8-13(19)17-12-5-4-10(15)6-11(12)16/h4-6,9H,3,7-8H2,1-2H3,(H,17,19)(H,20,21)/t9-/m0/s1/f/h18-19H 8B433679D18C4949