InChI=1/C16H18N6O/c17-7-11-3-4-15(20-9-11)21-12-6-14(19-10-12)16(23)22-5-1-2-13(22)8-18/h3-4,9,12-14,19H,1-2,5-6,10H2,(H,20,21)/p+1/t12-,13+,14+/m1/s1/fC16H19N6O/h19,21H/q+1 EEFF5FB73943A369