InChI=1/C16H18N6O/c1-16(2)7-10-12(11(23)8-16)13(9-3-5-18-6-4-9)22-15(19-10)20-14(17)21-22/h3-6,13H,7-8H2,1-2H3,(H3,17,19,20,21)/t13-/m0/s1/f/h19H,17H2 53956AAF47E891F1