InChI=1/C16H27NO4/c1-6-13(17)7-12-8-14(19-4)16(15(9-12)20-5)21-11(2)10-18-3/h8-9,11,13H,6-7,10,17H2,1-5H3/p+1/t11-,13+/m0/s1/fC16H28NO4/h17H/q+1 55BB9CAD03A38B8B