InChI=1S/C16H17NO11/c18-8(19)4-16(26)6-3-5(1-2-7(6)17-15(16)25)27-14-11(22)9(20)10(21)12(28-14)13(23)24/h1-3,9-12,14,20-22,26H,4H2,(H,17,25)(H,18,19)(H,23,24)