InChI=1/C21H21NO4/c1-24-19-11-16-18(12-20(19)25-2)26-13-17(21(16)23)14-5-7-15(8-6-14)22-9-3-4-10-22/h5-8,11-13H,3-4,9-10H2,1-2H3 758A9884A7E856BC