InChI=1/C16H17N3O/c1-19-10-18-15-7-6-13(14(8-17)16(15)19)12-5-3-2-4-11(12)9-20/h2-7,10,20H,8-9,17H2,1H3/p+1/fC16H18N3O/h17H/q+1 3F57CC16CFFD4C94