Acetic acid, tetrahydro-5-(2,2-dimethyl- 1,3-dioxolan-4-yl)-2,3-dioxo- 4-(1-phenyl-2-propen-1-yl)furan-4-yl ester Furan-2,3-dione, tetrahydro-4-acetoxy- 4-(1-phenyl-2-propen-1-yl)-5-(2,2-dimethyl-1,3-dioxolan-4-yl)- NSC677617