InChI=1/C16H27N3O2/c1-5-19(6-2)10-9-17-16(20)14-7-8-15(18-11-14)21-12-13(3)4/h7-8,11,13H,5-6,9-10,12H2,1-4H3,(H,17,20)/p+1/fC16H28N3O2/h17,19H/q+1 B61D9A8ED06E085B