InChI=1/C15H19NO3/c1-2-7-18-11-3-4-14-12(8-11)13(17)9-15(19-14)5-6-16-10-15/h3-4,8,16H,2,5-7,9-10H2,1H3/p+1/t15-/m1/s1/fC15H20NO3/h16H/q+1 D1C4FE6DA9EA4ED2