InChI=1/C15H16N2O3/c1-16-6-8-17(9-7-16)14(18)12-10-11-4-2-3-5-13(11)20-15(12)19/h2-5,10H,6-9H2,1H3/p+1/fC15H17N2O3/h16H/q+1 FD4725543EE15504