英文同义词
Methyl 3-oxo-1-Methyl-cyclobutanecarboxylate;methyl 1-methyl-3-oxocyclobutane-1-carboxylate;Methyl 1-methyl-3-oxocyclobutanecarboxylate;Methyl 3-oxo-1-methyl-cyclobutanecarboxylate - M11707;Cyclobutanecarboxylic acid, 1-methyl-3-oxo-, methyl ester