InChI=1S/C16H23NO3/c1-5-16(4)9-10(2)8-11(3)14(16)13-12(18)6-7-17(20)15(13)19/h5-7,10-11,14,18,20H,1,8-9H2,2-4H3/t10-,11+,14+,16-/m1/s1