InChI=1/C16H23N5/c1-13-6-2-3-7-14(13)16-15(12-17)18-19-21(16)11-10-20-8-4-5-9-20/h2-3,6-7H,4-5,8-12,17H2,1H3/p+2/fC16H25N5/h17,20H/q+2 B43BCFEF22891190