3-methoxy-2-phenylsulfanyl-2H-furan-5-one

4-甲氧基-呋喃酮

methyl 5-(1',1'-dimethoxybenzyl)tetronate

methyl 5-(1,1-dimethoxyethyl)tetronate

4-methoxy-5-[(4-methoxyphenyl)methylidene]furan-2-one