InChI=1S/C19H33NO6/c1-20(2,3)15-16(14-18(23)24)26-19(25)13-11-9-7-5-4-6-8-10-12-17(21)22/h4,6,16H,5,7-15H2,1-3H3,(H-,21,22,23,24)