InChI=1S/C15H19NO/c17-11-5-4-10-7-14-12-3-1-2-6-15(12,9-16-14)13(10)8-11/h4-5,8,12,14,16-17H,1-3,6-7,9H2/t12-,14-,15-/m1/s1