2-Methyl-4-pentenoic acid1575-74-2100 % similar 2-(2-Propen-1-yl)propanedioic acid2583-25-761 % similar Allylglycine7685-44-155 % similar 2-Methylbutanoic acid116-53-052 % similar (+)-2-Methylbutanoic acid1730-91-252 % similar 2-Methylbutanoic acid600-07-752 % similar β-Aminoisobutyric acid10569-72-950 % similar D-2-Allylglycine hydrochloride108412-04-050 % similar 3-Aminoisobutyric acid144-90-150 % similar 3-Mercaptoisobutyric acid26473-47-250 % similar Ethyl 2-methyl-4-pentenoate53399-81-849 % similar (+)-Methylsuccinic acid3641-51-848 % similar 2-Methylvaleric acid97-61-048 % similar 2-Methylglutaric acid18069-17-545 % similar 2-Methylhexanoic acid4536-23-645 % similar 2-Methylheptanoic acid1188-02-944 % similar 3-(Acetylthio)-2-methylpropanoic acid33325-40-543 % similar D-β-Acetylthioisobutyric acid76497-39-743 % similar Rel-(1R,2S)-4-cyclohexene-1,2-dicarboxylic acid2305-26-240 % similar 4-Penten-2-ol625-31-040 % similar