3,4-Dehydro-L-proline4043-88-3100 % similar Rel-(1R,2S)-4-cyclohexene-1,2-dicarboxylic acid2305-26-241 % similar 5-Norbornene-2-endo,3-exo-dicarboxylic acid1200-88-039 % similar Azetidine-2-carboxylic acid2133-34-839 % similar (±)-2-Azetidinecarboxylic acid2517-04-639 % similar 5-Norbornene-2,3-dicarboxylic acid3813-52-339 % similar 3-Azetidinecarboxylic acid36476-78-537 % similar Proline147-85-336 % similar D-Proline344-25-236 % similar Dl-proline609-36-936 % similar 1,4-Cyclohexanedicarboxylic acid1076-97-736 % similar (±)-trans-1,2-Cyclobutanedicarboxylic acid1124-13-636 % similar 1,4-Cyclohexanedicarboxylic acid619-81-836 % similar trans-1,4-Cyclohexanedicarboxylic acid619-82-936 % similar (S)-Piperazine-2-carboxylic acid147650-70-235 % similar (+)-Pipecolic acid1723-00-835 % similar cis-4-Hydroxy-D-proline2584-71-635 % similar Pipecolic acid3105-95-135 % similar L-Thioproline34592-47-735 % similar Pipecolic acid4043-87-235 % similar