InChI=1/C17H17N3O3/c1-2-11(10-21)18-17-14-6-4-3-5-13(14)15-9-12(20(22)23)7-8-16(15)19-17/h3-9,11,21H,2,10H2,1H3,(H,18,19)/t11-/m0/s1/f/h18H 7B28E79A246E225E