The molecule is a dipeptide consisting of N-butyl-L-cysteinamide having an (R)-2-amino-2-(4-hydroxyphenyl)acetyl residue attached to its alpha-amino nitrogen. It is a dipeptide and a L-cysteine derivative.
(2R)-2-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-N-butyl-3-sulfanylpropanamide