InChI=1S/C16H27N5O2/c1-9-5-6-10(7-12(9)22)19-14-11(13(17)23)8-18-15(20-14)21-16(2,3)4/h8-10,12,22H,5-7H2,1-4H3,(H2,17,23)(H2,18,19,20,21)/t9-,10-,12+/m1/s1