InChI=1/C15H19NO3/c17-14-8-6-13(7-9-14)12-4-1-11(2-5-12)3-10-15(18)16-19/h3,6-12,17,19H,1-2,4-5H2,(H,16,18)/b10-3+/f/h16H B105B5D37A7F9D87