InChI=1/C19H19N5O2/c20-18(25)16-3-1-2-13-11-24(23-17(13)16)15-6-4-12(5-7-15)8-22-19(26)14-9-21-10-14/h1-7,11,14,21H,8-10H2,(H2,20,25)(H,22,26)/p+1/fC19H20N5O2/h21-22H,20H2/q+1 61504CA5A75A5C26