Kodama H, Ishimoto Y, Shimomura M, Hirota T, Ohmori S
Physiol Chem Phys. 1975;7(2):147-52.
Two new sulfur-containing amino acids are isolated from the urine of a cystathioninuric patient. They are presumed to be cystathionine sulfoxide and perhydro-1,4-thiazepine-3,5-dicarboxylic acid.