InChI=1/C16H17N3O2/c17-15(18)13-8-11-2-1-3-14(11)19-16(13)21-12-6-4-10(9-20)5-7-12/h4-8,20H,1-3,9H2,(H3,17,18)/p+1/fC16H18N3O2/h17-18H2/q+1 D687A8C5E3770A68