InChI=1/C18H20N6O3/c1-4-13-8-16(25)22-18(20-13)12-5-6-15(19-9-12)24(3)10-17(26)21-14-7-11(2)27-23-14/h5-9H,4,10H2,1-3H3,(H,20,22,25)(H,21,23,26)/f/h21-22H 0C4E542350EF24A7