(4S)-2-{2-[amino(4-hydroxyphenyl)methyl]-5-oxo-1,3-oxazol-4-ylidene}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
(4s)-2-{2-[amino(4-hydroxyphenyl)methyl]-5-oxo-1,3-oxazol-4-ylidene}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid