InChI=1/C19H15N5O/c1-12-16-17(13-7-9-22-10-8-13)15(11-20)18(21)25-19(16)24(23-12)14-5-3-2-4-6-14/h2-10,17H,21H2,1H3/t17-/m0/s1 F73F27183565A948