InChI=1/C20H18N4O3/c1-13-11-12-24(23-13)15-9-7-14(8-10-15)21-18(25)20(2)19(26)22-16-5-3-4-6-17(16)27-20/h3-12H,1-2H3,(H,21,25)(H,22,26)/t20-/m1/s1/f/h21-22H 6FBAFEA5556E6F49