InChI=1S/C19H26O4.C4H11NO2/c1-12-6-8-14(9-7-12)13(2)23-17(22)19(5)11-10-15(16(20)21)18(19,3)4;6-3-1-5-2-4-7/h6-9,13,15H,10-11H2,1-5H3,(H,20,21);5-7H,1-4H2