InChI=1S/C16H23NO7/c18-11-12(19)14(15(21)22)24-16(13(11)20)23-8-3-1-2-5-10-6-4-7-17-9-10/h4,6-7,9,11-14,16,18-20H,1-3,5,8H2,(H,21,22)