2,2-Dimethylbut-3-enoic acid10276-09-2100 % similar 2,2-Dimethyl-4-pentenoic acid16386-93-945 % similar Dimethylmalonic acid595-46-044 % similar Pivalic acid75-98-944 % similar (2R)-2-Amino-2-methyl-4-pentenoic acid96886-56-541 % similar 2-Hydroxyisobutyric acid594-61-641 % similar Bromoisobutyric acid2052-01-939 % similar 2,2-Difluoropropanoic acid373-96-639 % similar 2-Aminoisobutyric acid62-57-739 % similar 2-Fluoroisobutyric acid63812-15-739 % similar 1-Methylcyclopropanecarboxylic acid6914-76-739 % similar 2,2-Dichloropropionic acid75-99-039 % similar Alpha-(Methylamino)isobutyric acid2566-34-937 % similar 2,2,6,6-Tetramethylpimelic acid2941-45-937 % similar 1-Methylcyclobutanecarboxylic acid32936-76-837 % similar 2,2-Bis(trifluoromethyl)propionic acid45048-36-037 % similar Dimethylolpropionic acid4767-03-737 % similar Hydroxypivalic acid4835-90-937 % similar 2,2-Dimethylbutanoic acid595-37-937 % similar 3,3,3-Trifluoro-2,2-dimethylpropanoic acid889940-13-037 % similar