InChI=1/C14H13NO7/c16-6-1-5-4-2-7-13(22-3-21-7)11(18)8(4)14(20)15-9(5)12(19)10(6)17/h1-2,6,9-10,12,16-19H,3H2,(H,15,20)/t6-,9+,10+,12-/m0/s1/f/h15H 085B6DB8A2A6F10B