96540-35-1
→
~76%
96540-39-5
ethyl 4-methyl-2-oxooxolane-3-carboxylate
3-Furancarboxylic acid, tetrahydro-4-(iodomethyl)-2-oxo-, ethyl ester
6124-79-4
4-甲基-2(H)-呋喃酮
54145-05-0
4-methyl-3-phenylsulfanyloxolan-2-one