Carbamoyl aspartic acid923-37-5100 % similar Carbamylglutamic acid1188-38-170 % similar Edds20846-91-759 % similar N-Methyl-D-aspartic acid6384-92-558 % similar Allantoic acid99-16-152 % similar 1,2,3,4-Butanetetracarboxylic acid1703-58-848 % similar Hydantoic acid462-60-247 % similar Malic acid617-48-145 % similar D-Malic acid636-61-345 % similar Malic acid6915-15-745 % similar L-Malic acid97-67-645 % similar D-Aspartic acid1783-96-644 % similar Polyaspartic acid25608-40-644 % similar (+)-Methylsuccinic acid3641-51-844 % similar (2S)-2-Chlorobutanedioic acid4198-33-844 % similar Thiodisuccinic acid4917-76-444 % similar Aspartic acid56-84-844 % similar Bromosuccinic acid584-98-544 % similar L-Aspartic acid6899-03-244 % similar Thiomalic acid70-49-544 % similar