InChI=1/C17H21NO3/c1-12-4-2-3-5-15(12)18-17(21)14-9-6-13(7-10-14)8-11-16(19)20/h6-12,15H,2-5H2,1H3,(H,18,21)(H,19,20)/p-1/b11-8+/t12-,15+/m0/s1/fC17H20NO3/h18H/q-1 C987B4F58209681B