Synonyms: Proline,5-oxo-, 2,4,5-trichlorophenyl ester (7CI); Proline, 5-oxo-,2,4,5-trichlorophenyl ester, L- (8CI); Phenol, 2,4,5-trichloro-, ester with5-oxo-L-proline; 2,4,5-Trichlorophenyl pyroglutamate; L-Pyroglutamic acid2,4,5-trichlorophenyl ester