InChI=1/C22H19NO6/c1-13-8-14-6-7-15(9-19(14)27-13)20-10-16(23-29-20)11-26-22(24)21-12-25-17-4-2-3-5-18(17)28-21/h2-7,9-10,13,21H,8,11-12H2,1H3/t13-,21+/m1/s1 1C520BDB0D30B7CF