3-甲基-2-(2-甲基苯氧基)丁酸

diethyl 2,2-dimethyl-3-oxobutanedioate

ethyl 2,2-dibromo-3-methylbutanoate

α-(4-methoxyphenoxy)-isovaleric acid ethyl ester

(S)-3-methyl-2-{[1-phenylmethylidene]amino}butan-1-ol