InChI=1/C18H20N6O3/c1-12-7-9-18(10-8-12)16(26)24(17(27)19-18)21-15(25)14-11-23(22-20-14)13-5-3-2-4-6-13/h2-6,11-12H,7-10H2,1H3,(H,19,27)(H,21,25)/f/h19,21H F6B23C81E4EFEC34