InChI=1/C16H17N3/c1-19-11-5-4-8-16(19)17-10-9-13-12-18-15-7-3-2-6-14(13)15/h2-8,11-12,18H,9-10H2,1H3/p+1/fC16H18N3/h17H/q+1 8FD91304625D51B5