Azetidine-2-carboxylic acid2133-34-852 % similar (±)-2-Azetidinecarboxylic acid2517-04-652 % similar (3R)-3-Phenyl-L-proline118758-48-849 % similar Proline147-85-344 % similar D-Proline344-25-244 % similar Dl-proline609-36-944 % similar 2-Hydroxycyclohexanecarboxylic acid609-69-844 % similar (+)-Pipecolic acid1723-00-842 % similar Pipecolic acid3105-95-142 % similar Pipecolic acid4043-87-242 % similar Pipecolic acid535-75-142 % similar Isonipecotic acid498-94-242 % similar Edds20846-91-741 % similar (1S,2S,5R)-3-Azabicyclo[3.1.0]hexane-2-carboxylic acid22255-16-941 % similar 3-Thiomorpholinecarboxylic acid20960-92-340 % similar (3R)-3-Pyrrolidinecarboxylic acid72580-54-239 % similar 1,4-Cyclohexanedicarboxylic acid1076-97-739 % similar (±)-trans-1,2-Cyclobutanedicarboxylic acid1124-13-639 % similar 1,4-Cyclohexanedicarboxylic acid619-81-839 % similar trans-1,4-Cyclohexanedicarboxylic acid619-82-939 % similar