InChI=1/C16H15N5O/c1-9-2-4-10(5-3-9)21-15-11(14(20-21)16(17)22)6-7-13-12(15)8-18-19-13/h2-5,8H,6-7H2,1H3,(H2,17,22)(H,18,19)/f/h19H,17H2 F8E375FC2D373A75