InChI=1/C17H19NO3/c1-12(17(21)14-4-8-16(20)9-5-14)18-11-10-13-2-6-15(19)7-3-13/h2-9,12,18-20H,10-11H2,1H3/p+1/t12-/m0/s1/fC17H20NO3/h18H/q+1 4B60C87AC39B23E3