InChI=1/C16H27N5O2/c1-16(2,3)21-10-9-19(15(21)23)8-6-18-12-14(22)20-7-4-5-13(20)11-17/h13,18H,4-10,12H2,1-3H3/t13-/m1/s1 5F955CF59CCD3CDC