InChI=1/C21H24O4/c1-15-4-2-5-18(12-15)24-10-3-11-25-19-8-9-20-16(13-19)6-7-17(20)14-21(22)23/h2,4-5,8-9,12-13,17H,3,6-7,10-11,14H2,1H3,(H,22,23)/p-1/t17-/m0/s1/fC21H23O4/q-1 52A56D75DFA5E477