InChI=1/C16H15N3O2/c20-15-4-2-7-18(15)10-11-5-6-13-12(9-11)17-16(21)14-3-1-8-19(13)14/h1,3,5-6,8-9H,2,4,7,10H2,(H,17,21)/f/h17H C0B0E25640446AEC