InChI=1/C15H19ClN2O3/c1-8-6-12(16)7-9(2)13(8)21-10(3)14(19)17-18-15(20)11-4-5-11/h6-7,10-11H,4-5H2,1-3H3,(H,17,19)(H,18,20)/t10-/m0/s1/f/h17-18H 6484D2F4AB13BD60