InChI=1S/C16H19NO8/c1-22-14(20)12(9-18)25-16(13(19)15(21)23-2)24-11(8-17)10-6-4-3-5-7-10/h3-7,11-13,16,18-19H,9H2,1-2H3/t11-,12?,13?,16?/m1/s1