InChI=1/C16H21NO3/c1-3-14(17)16(15-8-5-9-19-15)20-13-7-4-6-12(10-13)11-18-2/h4-10,14,16H,3,11,17H2,1-2H3/p+1/t14-,16+/m0/s1/fC16H22NO3/h17H/q+1 2EDF43790123B8B6