InChI=1S/C18H23NO7/c1-10-18(26-10)8-17(9-24-17)16(2,22)14(20)23-7-11-3-5-19-6-4-12(13(11)19)25-15(18)21/h3,10,12-13,22H,4-9H2,1-2H3/t10-,12+,13+,16-,17-,18?/m0/s1