InChI=1S/C16H25NO3/c1-2-3-4-5-6-7-8-9-10-11-15(18)17-14-12-13-20-16(14)19/h7-8,10-11,14H,2-6,9,12-13H2,1H3,(H,17,18)/b8-7-,11-10+/t14-/m0/s1