InChI=1/C16H26N2O3/c1-5-18(6-2)9-7-8-17-16(19)13-10-14(20-3)12-15(11-13)21-4/h10-12H,5-9H2,1-4H3,(H,17,19)/p+1/fC16H27N2O3/h17-18H/q+1 BFA9EFE557D9B5BF