InChI=1S/C16H25NO/c1-4-5-6-7-8-9-10-11-12-13-16(18)17-14-15(2)3/h4-7,10-13,15H,8-9,14H2,1-3H3,(H,17,18)/b5-4+,7-6-,11-10+,13-12+