Diacetyl431-03-850 % similar Methacrylic acid79-41-445 % similar Ammonium oxalate1113-38-842 % similar Ethanedioic acid hydrate (1:2)6153-56-642 % similar Angelic acid565-63-942 % similar Tiglic acid80-59-142 % similar Citraconic acid498-23-738 % similar Hydroxylammonium oxalate4682-08-038 % similar 2,3-Butanedione monoxime57-71-638 % similar α-Ketobutyric acid600-18-038 % similar Alpha-ketoisovaleric acid759-05-738 % similar 3,3-Dimethyl-2-oxobutanoic acid815-17-838 % similar (E)-2-Methyl-2-pentenoic acid16957-70-337 % similar 2-Methyl-2-pentenoic acid3142-72-137 % similar Oxamic acid471-47-636 % similar Ammonium oxalate monohydrate6009-70-736 % similar 3-Methyl-3-buten-2-one814-78-836 % similar 2-Acetamidoacrylic acid5429-56-136 % similar Acetic acid64-19-735 % similar Alpha-ketovaleric acid1821-02-935 % similar