Methyl 3-amino-4,5-dihydro-4-methyl-2-thiophenecarboxylate125089-02-3100 % similar (±)-Methyl 2-methylbutanoate868-57-533 % similar Methyl (R)-(+)-3-bromo-2-methylpropionate110556-33-733 % similar Methyl 2-methylpentanoate2177-77-732 % similar 3-(Acetylthio)-2-methylpropanoic acid33325-40-530 % similar D-β-Acetylthioisobutyric acid76497-39-730 % similar