InChI=1/C19H18N4O3/c1-3-23-19(26)15-10-5-4-9-14(15)17(22-23)18(25)21-20-12(2)13-8-6-7-11-16(13)24/h4-11,20,24H,2-3H2,1H3,(H,21,25)/f/h21H CBF3AC34266F59A8