InChI=1/C16H23NO3/c1-4-5-8-17-14(10-15(18)19)16(20)13-7-6-11(2)9-12(13)3/h6-7,9,14,17H,4-5,8,10H2,1-3H3,(H,18,19)/t14-/m0/s1/f/h17H 1BAC881E418C4DE5