3,4-Dehydro-L-proline4043-88-3100 % similar 2,5-Cyclohexadiene-1-carboxylic acid4794-04-143 % similar Rel-(1R,2S)-4-Cyclohexene-1,2-dicarboxylic acid2305-26-241 % similar 3-Cyclopentene-1-carboxylic acid7686-77-341 % 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 D-Azetidine-2-carboxylic acid7729-30-839 % 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 Cyclopropanecarboxylic acid1759-53-136 % similar 1,4-Cyclohexanedicarboxylic acid619-81-836 % similar trans-1,4-Cyclohexanedicarboxylic acid619-82-936 % similar (S)-Piperazine-2-carboxylic acid147650-70-235 % similar Thiazolidine-2-carboxylic acid16310-13-735 % similar