1,2,3,4-Butanetetracarboxylic acid1703-58-8100 % similar 4-Oxo-1,2-cyclopentanedicarboxylic acid1703-61-361 % similar Malic acid617-48-160 % similar D-Malic acid636-61-360 % similar Malic acid6915-15-760 % similar L-Malic acid97-67-660 % similar D-Aspartic acid1783-96-658 % similar Polyaspartic acid25608-40-658 % similar (+)-Methylsuccinic acid3641-51-858 % similar (2S)-2-Chlorobutanedioic acid4198-33-858 % similar Thiodisuccinic acid4917-76-458 % similar Aspartic acid56-84-858 % similar Bromosuccinic acid584-98-558 % similar L-Aspartic acid6899-03-258 % similar Thiomalic acid70-49-558 % similar Bromosuccinic acid923-06-858 % similar (±)-trans-1,2-Cyclobutanedicarboxylic acid1124-13-655 % similar 3-Methylbutanoic acid503-74-254 % similar Edds20846-91-754 % similar N-Methyl-D-aspartic acid6384-92-552 % similar