InChI=1/C17H18N2O4/c1-18-15(20)11-3-2-4-12(8-11)19-16(21)13-9-5-6-10(7-9)14(13)17(22)23/h2-6,8-10,13-14H,7H2,1H3,(H,18,20)(H,19,21)(H,22,23)/p-1/t9-,10+,13-,14+/m1/s1/fC17H17N2O4/h18-19H/q-1 19BF69CA6EF1B336