InChI=1/C18H20N4O3/c1-10(2)13-9-16(25-22-13)18(23)19-11-5-6-12-14(8-11)21-17(20-12)15-4-3-7-24-15/h5-6,8-10,15H,3-4,7H2,1-2H3,(H,19,23)(H,20,21)/t15-/m0/s1/f/h19,21H 7BCF364C11806EB3