InChI=1/C22H24O4/c1-21(2)9-10-22(3,4)17-12-18(23)15(11-16(17)21)19(24)13-5-7-14(8-6-13)20(25)26/h5-8,11-12,23H,9-10H2,1-4H3,(H,25,26)/p-1/fC22H23O4/q-1 FE544CA30B1D8D4B