InChI=1/C16H27N5O2/c1-10(15-11(2)19-20(5)12(15)3)17-16(23)21-8-6-7-14(9-21)18-13(4)22/h10,14H,6-9H2,1-5H3,(H,17,23)(H,18,22)/t10-,14+/m1/s1/f/h17-18H 307CEAFECAF87788