InChI=1/C18H15NO3/c1-10-8-16(20)19-13-7-6-11-12(17(10)13)9-22-15-5-3-4-14(21-2)18(11)15/h3-8H,9H2,1-2H3,(H,19,20)/f/h19H 8B07D8C89BE38667