InChI=1/C13H19ClN2O2/c1-9-6-16(8-13(2,3)18-9)12-11(14)4-10(7-17)5-15-12/h4-5,9,17H,6-8H2,1-3H3/t9-/m1/s1 40DCA2BDE28F12C3