InChI=1/C21H21NO5/c22-19(21(25)26)17-14(18(17)20(23)24)10-9-11-12-5-1-3-7-15(12)27-16-8-4-2-6-13(11)16/h1-8,11,14,17-19H,9-10,22H2,(H,23,24)(H,25,26)/p-1/t14-,17+,18+,19+/m1/s1/fC21H20NO5/h22H/q-1 1743F079D13AA6AF