Thiodisuccinic acid4917-76-4100 % similar Malic acid617-48-159 % similar D-Malic acid636-61-359 % similar Malic acid6915-15-759 % similar L-Malic acid97-67-659 % similar 1,2,3,4-Butanetetracarboxylic acid1703-58-858 % similar D-Aspartic acid1783-96-652 % similar Polyaspartic acid25608-40-652 % similar (+)-Methylsuccinic acid3641-51-852 % similar (2S)-2-Chlorobutanedioic acid4198-33-852 % similar Aspartic acid56-84-852 % similar Bromosuccinic acid584-98-552 % similar L-Aspartic acid6899-03-252 % similar Thiomalic acid70-49-552 % similar Bromosuccinic acid923-06-852 % similar Edds20846-91-748 % similar 3-Methylbutanoic acid503-74-248 % similar N-Methyl-D-aspartic acid6384-92-547 % similar N-Formyl-L-aspartic acid19427-28-244 % similar Carbamoyl aspartic acid923-37-544 % similar