(αR)-α-Amino-1,4-cyclohexadiene-1-acetic acid26774-88-9100 % similar Cephradine38821-53-338 % similar Cefroxadine51762-05-136 % similar Rel-(1R,2S)-4-cyclohexene-1,2-dicarboxylic acid2305-26-235 % similar L-Cyclopropylalanine102735-53-535 % similar D-Cyclopropylalanine121786-39-835 % similar D-Leucine328-38-134 % similar Leucine61-90-534 % similar Dl-propargylglycine64165-64-634 % similar (1R,4S)-4-Aminocyclopent-2-ene-1-carboxylic acid134003-04-633 % similar 1,2,3,4,5,6-Cyclohexanehexacarboxylic acid2216-84-433 % similar 4-Fluoroglutamic acid2708-77-233 % similar D-Serine312-84-533 % similar 2,3-Diaminopropionic acid4033-39-033 % similar 2,3-Diaminopropionic acid515-94-633 % similar Serine56-45-133 % similar Diaminopimelic acid583-93-733 % similar Allylglycine7685-44-133 % similar L-Alloisoleucine1509-34-833 % similar D-Alloisoleucine1509-35-933 % similar