InChI=1S/C17H21NO.C6H8O7/c1-18(2)12-13-19-17-11-7-6-10-16(17)14-15-8-4-3-5-9-15;7-3(8)1-6(13,5(11)12)2-4(9)10/h3-11H,12-14H2,1-2H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)