InChI=1S/C19H25NO4/c21-17-7-3-4-13(9-17)8-16(19(23)24)10-18(22)20-11-14-5-1-2-6-15(14)12-20/h3-4,7,9,14-16,21H,1-2,5-6,8,10-12H2,(H,23,24)