InChI=1/C18H21NO3/c1-3-7-12-11-22-18(4-2,10-15(20)21)17-16(12)13-8-5-6-9-14(13)19-17/h3,5-6,8-9,12,19H,1,4,7,10-11H2,2H3,(H,20,21)/p-1/t12-,18-/m0/s1/fC18H20NO3/q-1 E8F2F59686D7283B