methyl 2-bromo-3-hydroxy-2-methylpropanoate

Propanoic acid, 3-bromo-2-hydroxy-2-methyl-, methyl ester

methyl (2R)-2-methyl-4-oxobutanoate

(S)-(+)-methyl β-formylisobutyrate

聚乙二醇单马来酸酯