InChI=1/C21H21NO8/c1-10-16(13-4-2-3-7-22-13)17(24)12-6-5-11(8-14(12)28-10)29-21-20(27)19(26)18(25)15(9-23)30-21/h2-8,15,18-21,23,25-27H,9H2,1H3/t15-,18+,19+,20+,21-/m0/s1 EC61AFCEEDAE8FC9