DL-青霉胺

(4R)-3-[(2S,3S)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylbutanoyl]-5,5-dimethyl-N-[(2-methylphenyl)methyl]-1,3-thiazolidine-4-carboxamide

D-缬氨酸

乙二醇

Penicillamine thiyl radical