InChI=1/C16H23NO4/c1-9-7-10(2)12(11(3)8-9)13(14(18)19)17-15(20)21-16(4,5)6/h7-8,13H,1-6H3,(H,17,20)(H,18,19)/p-1/t13-/m1/s1/fC16H22NO4/h17H/q-1 9685B03185069AEA