InChI=1/C14H20N2O2/c1-3-16(10-12-5-4-8-17-12)13(9-15)14-7-6-11(2)18-14/h4-8,13H,3,9-10,15H2,1-2H3/p+1/t13-/m1/s1/fC14H21N2O2/h15H/q+1 E8571566813B113D