InChI=1S/C17H29NO4/c1-5-6-7-8-9-10-11-12-17(21)22-15(18(2,3)4)13-14-16(19)20/h9-12,15H,5-8,13-14H2,1-4H3/b10-9-,12-11+/t15-/m0/s1