InChI=1/C16H26N4O3/c1-9(2)7-20-14(17)13(15(22)18-16(20)23)12(21)8-19(10(3)4)11-5-6-11/h9-11H,5-8,17H2,1-4H3,(H,18,22,23)/p+1/fC16H27N4O3/h18-19H/q+1 E1FA6C1808A9DD85