InChI=1/C17H21NO3/c1-2-5-18-6-7-20-16-13-9-14-12(10-21-17(14)19)8-11(13)3-4-15(16)18/h8-9,15-16H,2-7,10H2,1H3/p+1/t15-,16-/m1/s1/fC17H22NO3/h18H/q+1 12E3C1B15F5342D5