title: Synthesis and x-ray analysis of cis-3,4-methylene-L-proline, the new natural amino acid from horse chestnuts, and of its trans isomer.
mesh_terms: D000475:Alkenes; D000596:Amino Acids / Q000138:chemical synthesis*; D010936:Plant Extracts; D010946:Plants, Medicinal; D011392:Proline; D013237:Stereoisomerism; D014961:X-Ray Diffraction
chemical_list: D000475:Alkenes; D000596:Amino Acids; D010936:Plant Extracts; D011392:Proline