InChI=1S/C19H23NO5/c1-4-10(2)7-11(3)17(23)16-18(24)13(9-20-19(16)25)12-5-6-14(21)15(22)8-12/h5-6,8-11,21-22H,4,7H2,1-3H3,(H2,20,24,25)/t10-,11-/m0/s1