InChI=1/C20H19NO6/c1-11-7-17(22)15(19(24)26-11)9-14(13-3-5-21-6-4-13)10-16-18(23)8-12(2)27-20(16)25/h3-8,14,22-23H,9-10H2,1-2H3 B06E6DE5851B5B62