Sulphate ester of trans-4-hydroxypipecolic acid in seeds of Peltophorum

Sulphate ester of trans-4-hydroxypipecolic acid in seeds of Peltophorum Trans-4-methoxypipecolic acid, an amino acid from Inga paterno 4,5-dihydroxypipecolic acids in the seed of Julbernardia, Isoberlinia and Brachystegia Cis-4-hydroxypipecolic acid and 2,4-cis-4,5-trans-4,5-dihydroxypipecolic acid from Calliandra 2S,4R-carboxy-2-acetylamino-4-piperidine dans les feuilles de Calliandra haematocephala Trans-4-hydroxypipecolic acid betaine from Lamium maculatum Nouveaux acides amines libres de Afzelia bella: trans-hydroxy-4-L-proline et trans-carboxy-4-L-proline Non-protein amino acids from Gymnocladus dioica Un nouvel acide amine dans les graines de Vigna vexillata Newly characterized amino acids from Aesculus californica