InChI=1/C20H19NO4/c1-11-3-6-15(24-11)8-17-18(22)16-7-13-9-21(14-4-5-14)10-23-19(13)12(2)20(16)25-17/h3,6-8,14H,4-5,9-10H2,1-2H3/b17-8-	49AB42261440E6DC