InChI=1S/C16H23NO7/c1-9(5-4-7-10-6-2-3-8-17-10)23-16-13(20)11(18)12(19)14(24-16)15(21)22/h2-3,6,8-9,11-14,16,18-20H,4-5,7H2,1H3,(H,21,22)