InChI=1/C18H15NO5/c1-22-18(21)14-9-11-5-2-3-7-13(11)19(14)17(20)12-6-4-8-15-16(12)24-10-23-15/h2-8,14H,9-10H2,1H3/t14-/m1/s1 7771F917B19CC063