InChI=1/C15H21N5O/c1-21-12-9-11-5-4-8-19-14(11)13(10-12)18-6-2-3-7-20-15(16)17/h4-5,8-10,18H,2-3,6-7H2,1H3,(H4,16,17,20)/p+1/fC15H22N5O/h20H,16-17H2/q+1 7E2F80C099494105