InChI=1/C19H17NO3/c1-12(2)13-7-9-15(10-8-13)20-18(21)16-11-14-5-3-4-6-17(14)23-19(16)22/h3-12H,1-2H3,(H,20,21)/f/h20H 0D805A699C98C054