InChI=1/C15H19NO4/c1-10-5-7-11(8-6-10)3-2-4-12(14(17)18)9-13(16)15(19)20/h2-3,5-8,12-13H,4,9,16H2,1H3,(H,17,18)(H,19,20)/p-1/b3-2+/t12-,13+/m1/s1/fC15H18NO4/h16H/q-1 052476E64146C2DF