InChI=1S/C17H25NO6/c1-18(2,3)13-14(12-16(21)22)24-17(23)11-9-7-5-4-6-8-10-15(19)20/h4-5,7-10,14H,6,11-13H2,1-3H3,(H-,19,20,21,22)