InChI=1S/C18H31NO6/c1-19(2,3)14-15(13-17(22)23)25-18(24)12-10-8-6-4-5-7-9-11-16(20)21/h10,12,15H,4-9,11,13-14H2,1-3H3,(H-,20,21,22,23)