InChI=1/C14H18N2O2/c1-4-12-11-7-18-13(8(2)3)5-9(11)10(6-15)14(17)16-12/h8,13H,4-5,7H2,1-3H3,(H,16,17)/t13-/m0/s1/f/h16H 7DA6CAF1DC10C01E