InChI=1S/C20H31NO3.C6H8O7/c1-3-21(4-2)14-15-23-16-17-24-19(22)20(12-8-9-13-20)18-10-6-5-7-11-18;7-3(8)1-6(13,5(11)12)2-4(9)10/h5-7,10-11H,3-4,8-9,12-17H2,1-2H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)