InChI=1/C18H20N6O4/c1-19-17(27)14-12(25)13(26)18(28-14)24-9-23-11-15(21-8-22-16(11)24)20-7-10-5-3-2-4-6-10/h2-6,8-9,12-14,18,25-26H,7H2,1H3,(H,19,27)(H,20,21,22)/t12-,13+,14-,18+/m0/s1/f/h19-20H F693D198F5F7038B