InChI=1/C17H21NO3/c1-3-11-6-5-7-12-13-8-9-21-17(4-2,10-14(19)20)16(13)18-15(11)12/h5-7,18H,3-4,8-10H2,1-2H3,(H,19,20)/p-1/t17-/m0/s1/fC17H20NO3/q-1 D8E007BAF3134733