InChI=1S/C16H21NO10/c1-23-7-4-3-6-12(13(7)24-2)26-16(14(22)17-6)27-15-11(21)10(20)9(19)8(5-18)25-15/h3-4,8-11,15-16,18-21H,5H2,1-2H3,(H,17,22)