penicillamine

Etymology
.

Noun

 * 1)  A crystalline, sulfur-containing amino acid produced by the hydrolysis of penicillins, used pharmacologically as a chelating agent to remove heavy metals such as copper from the body, and as an anti-inflammatory agent, especially for rheumatoid arthritis; 2-amino-3-methyl-3-mercaptobutanoic acid, (CH3)2C(SH)CH(NH2)COOH.

Translations

 * Italian:
 * Spanish: penicilamina