InChI=1S/C19H24O5/c1-18(2)15(23-18)9-11-19(3)10-8-13-12(5-7-16(21)22)4-6-14(20)17(13)24-19/h4,6,8,10,15,20H,5,7,9,11H2,1-3H3,(H,21,22)