L-Dihydroorotic acid5988-19-2100 % similar Pyroglutamic acid149-87-148 % similar (+)-Pyroglutamic acid4042-36-848 % similar L-Pyroglutamic acid98-79-348 % similar Glycyl-L-aspartic acid4685-12-547 % similar 6-Oxo-2-piperidinecarboxylic acid3770-22-746 % similar 5-Hydantoinacetic acid5427-26-944 % similar N-Acetylaspartic acid2545-40-642 % similar Glycylserine687-38-742 % similar N-Acetyl-L-aspartic acid997-55-742 % similar (4S)-Hexahydro-1-methyl-2,6-dioxo-4-pyrimidinecarboxylic acid103365-69-140 % similar N2-Acetyl-D-asparagine26117-27-140 % similar N-Acetylasparagine4033-40-340 % similar N-(2-Chloroacetyl)-L-leucine688-12-039 % similar Glycylleucine688-14-239 % similar Glycyl-L-leucine869-19-239 % similar Procysteine19771-63-239 % similar Glycyl-L-glutamic acid7412-78-438 % similar 2-(Acetylamino)butanoic acid7211-57-638 % similar N-Acetyl-dl-serine97-14-337 % similar