InChI=1S/C16H21NO7/c18-4-3-8-6-17-11-2-1-9(5-10(8)11)23-16-15(22)14(21)13(20)12(7-19)24-16/h1-2,5-6,12-22H,3-4,7H2/t12-,13-,14+,15-,16+/m1/s1