InChI=1/C16H15N3O3/c1-10-6-5-9-17-13(10)19-15(21)16(2)14(20)18-11-7-3-4-8-12(11)22-16/h3-9H,1-2H3,(H,18,20)(H,17,19,21)/t16-/m1/s1/f/h18-19H 8DAB4A7AAFA8E58A