InChI=1S/C20H33NO3.C6H8O7/c1-5-20(6-2,18-12-10-9-11-13-18)19(22)24-17-16-23-15-14-21(7-3)8-4;7-3(8)1-6(13,5(11)12)2-4(9)10/h9-13H,5-8,14-17H2,1-4H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)