InChI=1/C15H18N2O3/c1-17(2)9-5-8-16-14(18)12-10-11-6-3-4-7-13(11)20-15(12)19/h3-4,6-7,10H,5,8-9H2,1-2H3,(H,16,18)/p+1/fC15H19N2O3/h16-17H/q+1 7965A50E0BF7CAC2