InChI=1/C15H23NO4/c17-10-15(8-4-1-5-9-15)16-13(18)11-6-2-3-7-12(11)14(19)20/h2-3,11-12,17H,1,4-10H2,(H,16,18)(H,19,20)/p-1/t11-,12+/m0/s1/fC15H22NO4/h16H/q-1 82B02CA62B28C585