3-methyl-5-(phenoxymethyl)oxolan-2-one

methyl 3-methyl-2-oxo-5-(phenoxymethyl)tetrahydrofuran-3-carboxylate

dimethyl 2-methyl-2-(2-phenoxyprop-2-enyl)propanedioate

(R)-3-methoxy-2-(4-methoxybenzyl)-2-methyl-3-oxopropanoic acid