InChI=1/C14H18N2O3/c1-2-16(11-4-5-11)8-14(17)15-10-3-6-12-13(7-10)19-9-18-12/h3,6-7,11H,2,4-5,8-9H2,1H3,(H,15,17)/p+1/fC14H19N2O3/h15-16H/q+1 8518D506FC1EAA14