InChI=1/C14H13N3O3/c15-12(18)7-9-3-1-2-4-11(9)17-14(20)10-5-6-13(19)16-8-10/h1-6,8H,7H2,(H2,15,18)(H,16,19)(H,17,20)/f/h16-17H,15H2 41F0352FE20E4B1F